122. Alchemilla. - Calyx 4-5-lobed, with 4-5 bracts; apetalous; stamens 1-4 in ring on throat of calyx, opposite epicalyx lobes; nuts 1-5.

123. Agrimonia. - Calyx 5-lobed, without scales; tube turbinate, armed with hooked bristles above; petals 5; stamens 12-20; achenes 2.

124. Poterium. - Calyx of 4 lobes, petaloid, with 3 scales below; petals none; stamens 4-30; nuts 2-3.

125. Rosa. - Shrubs; calyx 5-fid, urn-shaped, fleshy at length; petals 4-5; stamens numerous; fruit of several achenes enclosed in receptacle.

126. Pyrus. - Trees or shrubs; calyx 5-toothed; petals 5; styles 2-5, united; fruit fleshy (a pome), cells cartilaginous, 2-5, distinct, 2-seeded.

127. Mespilus. - Tree; sepals 5, large, leafy; petals 5; styles 2-5; fruit turbinate, endocarp bony, exposed above.

128. Crataegus. - Calyx-segments 5, acute; petals 5; styles 1-5; fruit a drupe, oval, with 1-5 long stones, 1-2-seeded.

129. Cotoneaster. - Calyx-segments 5; petals 5; styles 2-5; fruit a drupe, turbinate, with 3-5 half-exserted stones, not cohering at centre.

Order 27. Saxifragaceae

130. Saxifraga. - Herbaceous plants; calyx 5-fid; petals 5; stamens 10; styles 2; ovary 2-celled; fruit a capsule.

131. Chrysosplenium. - Herbaceous plants; calyx 4-fid; petals o; stamens 8-10; styles 2; capsule I-celled, 2-beaked.

132. Parnassia. - Herbaceous plants; calyx inferior, 5-cleft; petals 5; stamens 5, perigynous, with 5 scales; stigmas 3-4; capsule 1-celled.

133. Ribes. - Shrubs; calyx 5-cleft, superior; petals 4-5; stamens 4-5; ovary I-celled; fruit a berry, many-seeded, crowned with persistent calyx.

Order 28. Crassulaceae

134. Tillaea. - Leaves opposite; sepals, petals, and stamens 3-4; no scales; carpels 3-4, 2-seeded.

135. Cotyledon. - Leaves alternate; sepals 5; petals 5, united below; stamens 10, inserted on corolla; scales 5.

136. Sedum. - Leaves alternate; sepals and petals 5; stamens 10-12; scales entire; carpels 5-6; seeds numerous.

137. Sempervivum. - Succulent; leaves alternate; sepals 6-10; petals 6-20; stamens 12-40; scales laciniate.

Order 29. Droseraceae

138. Drosera. - Leaves glandular; sepals, petals, and stamens 4-8; styles 3-5, 2-fid; capsule 1-celled, 3-5; seeds numerous.

Order 30. Haloragaceae

139. Hippuris. - Aquatic; leaves in whorls, entire; calyx 2-lobed, minute; petals o; stamen 1; fruit a nut, 1-celled.

140. Myriophyllum. - Aquatic, submerged; calyx 4-fid; petals 2-4; stamens 8; styles 4; fruit of 4 hard nuts.

141. Callitriche. - Aquatic mainly, floating; leaves opposite, entire; perianth o; stamen 1; fruit of 4 lobes, not opening.

Order 31. Lythraceae

142. Peplis. - Calyx bell-shaped, with 12 teeth; petals 6 or o; stamens 6 or 12; style short; capsule 2-celled.

143. Lythrum. - Calyx tubular, cylindrical, teeth 8-12; petals 4-6, exceeding calyx-teeth; style slender.

Order 32. Epilobiaceae (Onagraceae)

144. Epilobium. - Flowers pink or red; calyx 4-cleft; petals 4; stamens 8; capsule 4-celled, 4-valved.

145. Ludwigia. - Plant floating; flowers small; calyx 4-cleft; petals short, 4 or o; stamens 4; stigma capitate; capsule obovate, 4-celled.

146. Oenothera. - Flowers yellow; calyx united below; petals 4; stamens 8; seeds not bearded.

147. Circaea. - Flowers small, white; calyx 2-fid; petals 2; stamens 2; capsule 1-2-celled, with hooked bristles.

Order 33. Cucurbitaceae

148. Bryonia. - Plant dioecious; tendril climber; calyx and corolla 5-toothed; stamens 5, in 3 bundles; style 3-fid; fruit a berry; seeds oval; few.

Order 34. Umbelliferae

149. Hydrocotyle. - Stem creeping; leaves peltate, simple; calyx small; petals entire; fruit of 2 flat carpels with 5 ridges; vittae o.

150. Eryngium. - Leaves palmate, spinose; flowers in dense capitate umbels; calyx of 5 leaflike teeth; petals erect; fruit covered with chaffy scales.

151. Astrantia. - Leaves palmate; calyx of 5 teeth, leafy; bracts very large; coloured; petals erect; fruit with 5 plaited, dentate ridges.

152. Sanicula. - Leaves palmate; calyx 5-fid; petals with long inflexed point; fruit with hooked spines.

153. Danaa (Physospermum). - Calyx with 5 teeth; petals obcordate; fruit bladdery; carpels round, with 5 sharp ridges, 2 lateral within margin; vittae solitary, in furrows.

154. Conium. - Calyx small; petals obcordate, point inflexed; carpels with 5 thick, wavy, scalloped ridges; vittae none or several.

155. Smyrnium. - Calyx none or small; petals entire, elliptic; fruit black, flat; mericarps kidney-shaped, with 3 prominent sharp ridges; vittae many.

156. Bupleurum. - Leaves simple, entire; flowers yellow; calyx small; petals round, entire; carpels with winged ridge.

157. Trinia (Apinella). - Leaves compound; leaflets linear; plant dioecious; petals entire, white; involucre of few bracts or none.

158. Apium. - Leaves compound; flowers bisexual, white; calyx o; petals entire; fruit ovoid; carpels with 5 filiform ridges; vittae solitary.

159. Cicuta. - Calyx with 5 teeth, leafy; petals obcordate; fruit didymous, with obscure ridges; vittae solitary.

160. Carum. - Calyx small; petals notched; base of style depressed; carpophore 2-partite; ridges slender.

161. Sison. - Upper leaves pinnatifid; fruit flat, with blunt ridges; vittae club-shaped, solitary.

162. Falcaria. - Petals notched; calyx margin with 5 teeth; vittae solitary.

163. Sium. - Leaves all pinnate; calyx with 5 small teeth; petals obcordate; general and partial involucral bracts numerous; carpels with 5 blunt ridges; disk depressed or conical; vittae long, several.

164. Aegopodium. - Calyx o or small, teeth obsolete; petals obovate; fruit oblong, rounded, with slender ridges; vittae o.

165. Pimpinella. - Calyx-teeth obsolete; petals obcordate; involucre o; fruit flat, with blunt ridges; vittae 3 or more.

166. Conopodium. - Petals notched; base of style conical; vittae many in each furrow, often faint.

167. Myrrhis. - Leaves compound; calyx small; petals obcordate; fruit not beaked; carpels acutely ribbed, of double membrane; vittae o.

168. Chaerophyllum. - Leaves compound; calyx small; petals obcordate; fruit hardly beaked; carpels with 5 equal blunt ridges; vittae 1 or o.

169. Scandix. - Calyx small; petals obovate; fruit with long beak, 5 blunt ridges; vittae o.

170. Anthriscus. - Calyx of 5 teeth; petals obcordate; fruit flattened; beak slender, shorter than fruit; ridges none or obscure.

171. Seseli. - Calyx with acute teeth; petals white, notched, obcordate; fruit ovoid, flattened dorsally, hairy, ribs thick; style long, reflexed.

172. Foeniculum. - Calyx-teeth obsolete; petals yellow, entire, rounded; fruit oblong, ribs prominent, blunt; style short.

173. Crithmum. - Leaflets fleshy; petals elliptic, entire, involute; fruit with triangular sharp ridges; vittae 2 or more.

174. Oenanthe. - Calyx-teeth lanceolate; petals obcordate; bracteoles whorled; fruit ovoid, corky ridges blunt; style long, erect.

175. Aethusa. - Calyx small; petals obcordate; bracteoles on one side; fruit globose, ribs acute; style short, reflexed.

176. Silaus. - Leaflets lance-shaped; calyx small; petals yellow, nearly entire, with appendage below; fruit elliptic, ridges winged.

177. Meum. - Leaflets capillary; calyx small; petals elliptic, acute each end, entire, inflexed at point; seed concave ventrally; vittae several.

178. Ligusticum. - Leaflets ovate; petals white, obcordate; fruit elliptic, ridges sharp, winged; vittae many or obscure.

179. Selinum. - Calyx inconspicuous; petals oblong, notched; fruit ovoid or oblong; seed biconvex, adhering to carpel; vittae solitary.

180. Angelica. - Leaflets ternately 2-pinnate; calyx small; petals lanceolate, entire, incurved; fruit dorsally flattened; ridges slender; vittae solitary.

181. Archangelica. - Calyx with 5 small teeth; petals elliptic, entire; ridges thick, 3 dorsal, 2 lateral; vittae o.

182. Peucedanum. - Calyx of 5 teeth; petals entire, obovate or obcordate; fruit with thin flat margin dorsally flattened, 2 lateral ridges close to base of dilated margin.

183. Heracleum. - Calyx with 5 teeth; petals obcordate; flowers white; fruit dorsally flattened, wings even; vittae short, club-shaped.

184. Tordylium. - Calyx-teeth 5, awl-like; petals obcordate; fruit with thickened wrinkled wings, the 2 lateral distant.

185. Coriandrum. - Calyx-teeth 5; petals obcordate; fruit globose, ridges small, 4 secondary keeled, larger; carpels hardly separating.

186. Daucus. - Bracts pinnatifld; calyx-teeth 5; petals obcordate; fruit prickly, dorsally flattened, ridges prominent; seed flat in front.

187. Caucalis. - Bracts entire, or o; calyx-teeth 5; petals obcordate; fruit prickly, laterally flattened, primary and secondary ridges with 1-2 rows of bristles.