128 SNAPDRAGON ORDER 



inserted on the corolla, exserted, ovary with 2 cavities (rarely 3), style 

 thread-like, stigma globose, fruit a capsule, compressed, obtuse or notched 

 at the summit ; flowers in terminal spikes or racemes ; leaves alternate, 

 sessile or clasping, the stem-leaves small and bract-like, the basal ones 

 large and stalked ; perennial. 



1. Corolla present 



a. Leaves cleft to pinnatifid B. pinnatifida 



b. Leaves merely toothed 



(1) Flowers reflexed; calyx lobes 2 B.reflexa 



(2) Flowers not reflexed; calyx lobes 3-4 



(a) Upper lip twice as long as calyx; corol- 



la purple; stems 2-6 in. high; at 11- 



14000 ft. B. alpina 



(b) Upper lip but little longer that calyx; 



corolla white to yellowish or purple; 



stems 6-15 in. high; at 5-12000 ft. B. plant aginea 



2. Corolla lacking B. rubra 



CASTILLEIA Mutis 1781 PAINTED CUP 



(Name for Castillejo, a Spanish botanist) 



PL 22, fig. 7. 



Sepals united into a 2-cleft tubular calyx, usually colored like the 

 corolla, petals red, yellow, purple or white, united into a very irregular 

 2-lipped corolla, its upper lip (hood or galea) arched, elongated, concave 

 or keeled, compressed, entire, enclosing the 4 stamens, lower lip short, 

 3-lobed, stamens attached to the tube of the corolla, ovary with 2 cavities, 

 style thread-like, stigma entire or 2-lobed, capsule ovoid or oblong; flow- 

 ers in dense terminal leafy-bracted spikes, the bracts often brightly colored 

 and larger than the flowers ; leaves alternate ; annual or perennial. 



1. Annuals; leaves and bracts lance-linear, entire; 



hood much longer than the lip C. minor 



2. Perennials ; upper leaves and bracts usually 



broadened and toothed or parted 

 a. Calyx cleft much more deeply in front than 

 behind 



(1) Corolla hood or galea about as long as the 



tube, and 6-10 times longer than the ob- 

 scure lip; leaves linear, the uppermost 

 and bracts 3-parted, red, rarely pale C. linarifolia 



(2) Galea Y^- 1 /* as long as the tube; bracts 



yellowish or whitish 



