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 pinnatind B. pinnatifida 



b. Leaves merely toothed 



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



(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. plantaginea 



2. Corolla lacking B. rubra 



Castilleia Mutis 1781 Painted Cup 



(Name for Castillejo, a Spanish botanist) 



PI. 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. Hnarifolia 



(2) Galea }i-}& as long as the tube; bracts 



yellowish or whitish 



