LiLiACEa:. 309 



* Flowers more or less distinctly racemose. 



Stem leafy above; a scaly bulb at its base; 



Bulb-scales flattened; fl. with no nectaries Lilium ] 



" thick; fl. of ten with nectariferous glands Feitillaeia 2 



Stem leafy at base only; bulb tunicated; 



FlowerB bine, in a simple raceme Camassia 5 



white, in a panicle of racemes Chlobogalum 6 



white, with green markings; racemes mostly simple . . Zyqadenus 9 

 Stem leafy; no bnlb or corm at base; 



Leaves many, very narrow, coriaceous Xbeophyllum 10 



not few, broad, thin; raceme Bhort simple or com- 

 pound Vaqnera 11 



1—3 only; fl. dimerous Unifolicm 12 



* * Floioers not distinctly either racemose or umbellate, long- 

 peduncled, or very few, or solitary. 



Stem with 2 broad leaves at base only; all from a long bnlb-like 



corm Ersthronium 8 



Stem cymosely or umbellately branching; leaves narrow Calochortus 4 



Leaves and 1-flowered scapes from fibrous roots - Scoliopus 7 



" 8 only, in a whorl beneath the solitary flower Trillium 8 



Stem branching and leafy, with few nodding flowers at the ends 



of the branches; roots fibrous Dispoetjm 18 



Stem few-leaved, 1 — 8-flowered, from a scaly-bulb; 



Bulb-scales flattened Lilidm 1 



" " not flattened Fbitillabia 2 



* * * Inflorescence umbellate. 



Leaves ample; stem scapif orm; no bulb or corm Clintonia 14 



Leaves narrow, and, with the scape, from a bulb or corm; 

 umbel spathaceous bracted; 

 Pedicels jointed at base of the perianth; 



Scape tortuous or twining; perianth-tube thin, more or 



less inflated Diohelostemma 15 



Scape firmly erect, straight; 



Perianth with short tube and < perfect stamens 3 Hookeka 16 



spreading limb '■ " " 6 Calliprora 17 



Perianth funnelform Teiteleia 18 



" open-cam panulate Hespeeoscoedum 19 



Pedicels not jointed under the perianth; 



Scape and leaves from a corm; plants not alliaceous Muilla 20 



Scape and leaves from a coated bulb; plants strongly 



alliaceous allium 21 



1. LILIUM, Pliny. Stem simple from a scaly bulb, leafy. Leaves 

 narrow, sessile, scattered or whorled. Flowers large, showy, in a ter- 

 minal raceme, or solitary, or subumbellate; pedicels not jointed. Peri- 

 anth deciduous, funnelform or broader, with 6 distinct equal oblanceolate 

 spreading or recurved segments, whitish or red, often spotted with 

 brown. Stamens 5, hypogynous, included; filaments long; anthers 

 oblong or linear, versatile. Style loDg, clavate, deciduous; stigma 

 3-lobed. Capsule coriaceous, 6-angled. Seeds many, flat, horizontal, in 

 2 rows in each of the 3 cells. 



