BOT.— Vol. II.] PURD Y— CALOCHORTUS. II 5 



Group 5. 



Type of Group C. kennedyi. 



Petals nearly naked; gland round, small, and densely hairy with matted 

 hairs; leaves ashy blue, linear, deeply channeled. Desert plants. 



Petals vermilion or orange 26. C. kennedyi. 



Flowers clear yellow ; petals densely hairy below; capsule narrowly 

 oblong 27. C. aureus. 



Group 6. Butterfly Tulips. 



Type of Group C. venustus. 



Petals slightly hairy below, usually oculated and brilliantly colored; gland 

 prominent, round or lunate; leaves linear, channeled. California. 



Flowers yellow; petals not oculated ; gland lunate; capsule attenuate 



from a broad base; plant dwarfed 28. C. luteus. 



Flowers yellow or lemon, otherwise same as in var. oculatus. 



2Sa. C. luteus var. citrinus. 

 Flowers white, yellow or lilac; petals oculated, gland lunate. 



286. C. luteus var. oculatus. 



2Sc. C. luteus var. robusta. 



Flowers lilac or white; gland narrow, doubly lunate. . .29. C. vesta. 



Flowers white, cream, lilac, purple, red or pink; petals oculated, 



in some varieties with a red blotch above eye; gland round; 



capsule linear 30. C. venustus. 



30a. C. venustus var. roseus. 

 2)Ob. C. venustus var. eldorado. 

 ^oc. C. venustics var. pur pur asc ens. 

 2)Od. C. venustus var. sulphureus. 



Group 7. Lilac Mariposas. 



Type of Group C. splendens. 



Petals white, lilac, or purplish, not oculated, more or less hairy; gland 

 small, round, and densely hairy; leaves linear, channeled. 



Flowers lilac-purple; petals hairy on lower third. 31. C. splendens. 



Flowers lilac to salmon, short yellow hairs on lower third of petal; 

 plants low and slender 31a. C. splendens var. nwntajtus. 



Flowers large; petals pale lilac with cobwebby hairs on middle 

 third 31^. C. splendens var. viajor. 



Much larger and stronger than type; hairy on lower third of petal. 



31C. C. splende7is var. rubra. 



Flowers white; gland ill defined; plants more slender than last. 

 Colorado Desert 32. C. palmeri. 



Flowers white or lilac with dark maroon spot at base of petal; cap- 

 sule oblong. Resembles C. splendens 33. C. catalincs. 



Flowers smoky white; stems stout and umbellate. 



34. C. invetiustus. 



Flowers similar to last; petals deeply pitted 35. C. excavatus. 



