45. Liliaceous Plants. Liliaceae

* Stem leafy, branching, shrub-like.

(102) Ruscus - leaves stiff", prickly, bearing the flowers on their upper reversed surface.

** Stem leafy, simple. † Fruit a berry (succulent).

(103) Polygonatum - flowers axillary, jointed with their stalk; perianth cylindrical, shortly six-cleft.

†† Fruit a capsule (dry). ‡ Flowers solitary, terminal.

(104) Fritillaria - perianth-segments converging into a bell-shape, drooping; segments chequered, the inner three with an oval honey-pore near their base; anthers attached above their base.

(105) Tulipa - perianth-segments converging into a bell-shape, erect; segments not chequered, nor having honey-pores at the base; anthers erect, attached by their base.

†† Flowers umbellate. (100) Gagea - perianth-segments spreading; anthers erect; scape more or less leafy.

*** Stem leafless, the leaves all radical. † Fruit a berry (succulent.)

(107) Convallaria - perianth bell-shaped, with short recurved segments, deciduous; flowers racemose on a naked scape.

†† Fruit a capsule (dry). ‡ Perianth-segments combined throughout.

(108) Muscari - perianth globose or subcylindrical, contracted at the mouth, shortly six-toothed.

‡‡ Perianth-segments combined below.

(109) Hyacinthus - perianth tubular-bell-shaped, the segments reflexed at the extremity.

‡‡‡ Perianth-segments distinct, spreading.

(110) Seilla - perianth deciduous; filaments filiform.

(111) Ornithogalum - perianth persistent, withering; filaments (of three alternate stamens) dilated.

46. Juncaceous Plants. Juncaceae

(112) Luzula - leaves flat, grass-like; capsule one-celled, with three seeds.

47. Cyperaceous Plants. Cyperaceae

(113) Carex - flowers unisexual, the stamens and pistils under separate glumes; ovary enclosed in a little boat-shaped utricle, through the top of which the style protrudes.

48. Graminaceous Plants. Graminaceae

* Inflorescence dense, spike-like, ovoid or cylindrical.

(114) Sesleria - spikelets two-flowered; pales (flowering glumes) without awns; stamens three.

(115) Anthoxanthum - spikelets one-flowered (i. e. one perfect flower, and two neuter ones consisting of empty pales) pales of the neuter flowers awned; stamens two.

** Inflorescence lax, spike-like, one-sided.

(116) Chamsegrostis - glumes two; pales membranous, awnless.

*** Inflorescence lax, panicled.

(117) Aira - spikelets two-flowered; pales awned, the awn scarcely protruding beyond the glumes.

(118) Poa - spikelets three- or more flowered; glumes shorter than the spikelets; pales awnless, keeled at the back.

III. - Species And Varieties

*** The numbers in parentheses correspond with those in the foregoing list.