SNAPDRAGON FAMILY 129 



(a) Galea twice as long as the distinct, 3- 



cleft lip 

 x. Corolla long exserted, about 2 in. long; 



leaves usually 3-5 cleft C. sessiliflora 



y. Corolla little exserted, about 1 in. long; 



leaves mostly entire C. brevifldra 



(b) Galea 4-5 times as long as the obscure 



lip; bracts yellowish; leaves linear, 

 entire or 3-cleft C. fldva 



b. Calyx about equally cleft before and behind 



(1) Stems with a close gray felt of hairs; 



bracts broad, entire or 3-toothed to 

 deeply 3-cleft; corolla hood or galea us- 

 ually shorter than tube C. Integra 



(2) Stems smooth or hairy but not gray-felted; 



bracts variable 



(a) Galea nearly equal to or longer than the 



corolla tube, 4-8 times as long as the 



lip; bracts red to whitish 



x. Corolla 3-5 cm. long, much exserted C. minidta 

 y. Corolla 2-3 cm. long, little exserted C. parviflora 



(b) Galea much shorter than the corolla 



tube, 2-3 times as long as the lip; 

 bracts most variable, yellowish to 

 purple or red 



x. Plants 8-24 in. high; bracts mostly yel- 

 lowish; at 7-10000 ft. C.pdllida 



y. Plant 1-8 in. high ; bracts mostly brown- 

 ish to purplish or red; at 11-14000 ft. C. p. occidentdlis 



CHIONOPHILA Bentham 1846 CHIONOPHILA 



(Gr. chion, snow, philos, loving, from its habitat) 



PL 20, fig. 17. 



Sepals 5, united into a funnelform calyx, petals 5, cream-colored, 

 united into a tubular corolla with slightly dilated throat, 2-lipped, upper 

 lip erect, barely 2-lobed, lower with convex densely bearded base forming a 

 palate, 3-lobed, stamens 4 inserted on the corolla tube, ovary with 2 cavities ; 

 flowers in a dense spike; leaves entire mostly in a basal tuft; high-alpine 

 dwarf perennial. 

 Stems 1-6 in. high; flowers 10-15 cm. long C. Jdmesii 



