124' SELECTED WESTERN FLORA I 



i 



1. P. groeniandica, Retz. . ' 

 Flowers red or purple, the upper lip produced into a long beak which 



curves first downward and then outward. Swamps, Hudson Bay-Rocky 

 Mts. ' 



2. P. canadensis, L. Common Lousewoet. i 



Hairy; stems tufted, simple, ascending or erect, 6-15 in. high; leaves 

 oblong-lanceolate, the lower pinnately parted and on slender petioles, the 

 upper almost sessile; flowers yellowish or reddish, the tube much longer 

 than the calyx, the upper lip arched but not beaked. Moist woods and 

 about thickets, Man. 



3. P. lanceoiata, Michx. 



Usually smooth; stem stout, erect, 1-3 ft. high; leaves at least partly 

 opposite and doubly pinnatifid; calyx 2-lobed, the lobes leafy on the mar- 

 gins; corolla yellowish, the upper lobe curved in and ending in a short 

 beak, the lower lip ascending and partly closing the throat. Rich damp 

 prairie, Man.-Alta. 



6. RHINANTHUS. Yellow Rattle. 



Calyx 4-tootlied, flattened, thin and inflated in fruit; corolla 

 2-lipped, the upper lip arched, flattened, with a tooth on each side 

 near the point, the lower 3-lobed; stamens 4, didynamous, anthers 

 hairy; capsule round, flattened; seeds winged. Annual herbs with 

 opposite leaves and yellow flowers crowded on a one-sided spike. 



1. E. Crista-galli, L. 



Stem slender, 6-18 in. high, branched, the branches somewhat erect; 

 leaves lanceolate to oblong, coarsely serrate-dentate; corolla yellow with a 

 purple spot on one or both Ups, the tube longer than the calyx; capsule 

 flat. Moist places. Rocky Mts. and eastward and northward. 



7. CASTILLfijA. Painted Cup. 



Calyx tubular, compressed, split on upper and lower sides; 

 corolla 2-lipped, enclosed in the calyx, the upper lip arched, usually 

 keeled, compressed laterally; stamens 4, didynamous, enclosed in 

 the upper lip of the corolla; style thread-like; capsule many-seeded. 

 Herbs with alternate leaves, and pale yellowish, reddish, or white 

 flowers in dense leafy-bracted spikes, the bracts often brightly 

 colored. 



1. C. coccinea, (L.) Spfeng. Scarlet Painted Cdp. 



Annual or biennial, hairy; stem simple, 1-2 ft. high; root leaves mostly 

 entire, stem leaves deeply cut; bracts bright scarlet or more rarely yellow. 

 Moist prairie, Man. and S. E. Sask. 



