268. Moneses. - Flowers solitary; calyx 5-partite; petals spreading, slightly adhering below; stamens 10; stigma rayed; capsule 2-celled.

Order 45. Monotropaceae

269. Hypopitys (Monotropa). - Fleshy saprophyte; calyx 4-5-partite, coloured; corolla of 4-5 petals; stamens 8-10; anthers 2-valved; stigma peltate; capsule 5-valved; seeds numerous.

Order 46. Plumbaginaceae

270. Limonium. - Flowers in one-sided panicled cymes; calyx membranous-edged; corolla 5-partite; styles smooth.

271. Statice (Armeria). - Flowers in head, with bracts; inverted cylindrical sheath; styles hairy below.

Order 47. Primulaceae

272. Hottonia. - Aquatic; leaves pectinate; calyx 5-partite, hardly united below; corolla salver-shaped; stamens epipetalous; capsule valvular.

273. Primula. - Leaves radical; calyx tubular, 5-fid; corolla salver-shaped, tube cylindrical; lobes spreading; stamens and styles dimorphic; capsule 5-valved; seeds numerous.

274. Cyclamen. - Leaves radical; calyx bell-shaped, 5-cleft; corolla bell-shaped; limb 5-partite, reflexed; stamens 5; capsule many-seeded.

275. Lysimachia. - Leaves cauline; calyx 5-partite; corolla rotate, limb 5-partite; stamens 5; capsule 5-valved.

276. Trientalis. - Leaves cauline; flowerswhite; calyx 7-partite; corolla rotate; stamens 7; capsule many-seeded.

277. Glaux. - Leaves cauline; calyx bell-shaped, coloured, 5-partite; corolla none; stamens 5; capsule with few seeds.

278. Anagallis. - Calyx 5-partite; corolla rotate or funnel-shaped; no tube; stamens 5; filaments hairy; capsule opening transversely.

279. Centunculus. - Calyx 4-partite; corolla tube inflated subglobose; filaments smooth; stamens 4-5; capsules with many seeds.

280. Samolus. - Leaves mainly radical; flowers white; calyx 5-partite; corolla salver-shaped; limb 5-partite; stamens 5; capsule half-inferior, many-seeded.

Order 48. Oleaceae

281. Fraxinus. - Tree, deciduous; calyx o or 4-cleft; corolla o, or of 4 petals; wanting in this country; plant polygamous; fruit winged (samara), dry.

282. Ligustrum. - Shrub, deciduous; calyx with 4 teeth; corolla funnel-shaped, limb 4-cleft; stamens 2; fruit a fleshy berry, 2-seeded.

Order 49. Apocynaceae

283. Vinca. - Creeping shrub; calyx 4-partite; corolla salver-shaped; tube 5-angled, long; fruit of 2 follicles.

Order 50. Gentianaceae

284. Microcala. - Leaves opposite; corolla funnel-shaped, yellow; stamens 4; stigma 1, entire, peltate.

285. Blackstonia (Chlora). - Leaves perfoliate; calyx 8-partite; corolla yellow, rotate, 8-partite; stamens 6-8; capsule I-celled.

286. Centaurium (Erythroea). - Calyx 4-5-fid; corolla funnel-shaped; limb 4-5-fid; stamens 4-5; anthers twisted; stigmas 2; capsule 2-celled.

287. Cicendia (Exacum). - Calyx 4-partite; corolla salver-shaped, limb 4-fid; stamens 4; anthers erect; stigmas 2; capsule 1-2-celled.

288. Gentiana. - Calyx 4-5-cleft; corolla funnel-or salver-shaped; limb 4-5-cleft; stamens 4-5; anthers erect; stigmas 2; capsule I-celled.

289. Menyanthes. - Leaves trifoliate; flowers whitish-pink; calyx 5-partite; corolla funnelshaped, fleshy; stamens 5; stigma notched; capsule 2-valved.

290. Limnanthemum. - Leaves rounded; plant aquatic, floating; flowers yellow; calyx 5-partite; corolla rotate, limb 5-partite; stamens 5; stigma 2-lobed; capsule I-celled.

Order 51. Polemoniaceae

291. Polemonium. - Calyx 5-fid; corolla rotate, tube short; stamens 5; stigmas 3-fid; capsule 3-celled.

Order 52. Boraginaceae

292. Omphalodes. - Radical leaves cordate; flowers in raceme, blue.

293. Cynoglossum. - Calyx 5-cleft; corolla funnel-shaped; filaments very short; nutlets ovate, with hooked bristles.

294. Lappula (Echinospermum). - Corolla with tube, lobes rounded; style very short; fruit a nutlet, with hooked bristles.

295. Symphytum. - Calyx 5-cleft; corolla tubular, bell-shaped, 5-toothed, tube short, straight; anthers included; nutlets ovate.

296. Borago. - Calyx 5-fid; corolla rotate; anthers exserted, forming a cone; filaments 2-fid; nutlets 4.

297. Anchusa. - Calyx 5-fid; corolla funnel-shaped, tube straight; stamens included; nutlets depressed.

298. Lycopsis. - Calyx 5-fid; corolla funnel-shaped, tube curved; limb oblique.

299. Pulmonaria. - Calyx tubular, 5-fid, tube long; corolla regular, funnel-shaped, throat naked; stamens included; styles simple; nutlets attached by base.

300. Asperugo. - Calyx 5-cleft, with smaller teeth between, lobes leafy; corolla funnel-shaped, scales in throat; filaments short; nutlets flattened, granulate.

301. Mertensia (Pneumaria). - Calyx 5-fid, tube short; corolla bell-shaped, tube with protuberances; stamens exserted; nutlets fleshy, inflated.

302. Myosotis. - Calyx 5-partite, tube long; corolla salver-shaped, twisted in bud; limb 5-fid; stamens included; nutlets smooth.

303. Lithospermum. - Calyx 5-fid, short; corolla regular, funnel-shaped; stamens included; nutlets stony.

304. Echium. - Calyx 5-fid; corolla irregular, bell-shaped, throat naked, swollen; stamens exserted; filaments unequal; style 2-fid; nutlets wrinkled.

Order 53. Convolvulaceae

305. Calystegia (Volvulus). - Plant leafy; bracts 2, large, enclosing the calyx; stigma broad.

306. Convolvulus. - Bracts small, distant from flower; corolla bell-shaped, plaited in bud; style simple; stigmas 2; capsule 2-4-celled.

307. Cuscuta. - Parasite, leafless; twining; calyx 4-5-cleft; corolla bell-shaped, imbricate in bud; stamens 4-5; styles 1-2; capsule opening transversely.

Order 54. Solanaceae

308. Solanum. - Corolla rotate, limb 5-cleft, reflexed; anthers erect, opening by terminal pores; berry round, 2- or more-celled.

309. Lycium. - Shrub; calyx pitcher-shaped; corolla funnel-shaped; tube short, lobes spreading; stamens exserted; fruit a berry, 2-celled.