506 SCROPHULARIACE.E COLLINSIA 



the lower lip purple, the others dark blue : gland very small, slightly stip- 

 itate : seeds not wing-marg ned. On gravelly banks and open places along 

 the Columbia and Willamette rivers in Oregon and Washington. 



C. parviflora Dougl. Lindl. Bot. Reg. t. 1802. Glabrous or minutely 

 puberulent : stem slender and weak 2-20 inches long, branching from near 

 the base; the branches weak and straggling: leaves oblong to lanceolate, 

 6-12 lines long the lower ones opposite and rather long petioled ; the upper 

 ones in whorls of 3-5 and sessile or nearly so, all entire or sparsely toothed : 

 peduncles solitary, or above 3-5 in the whorls, 6-18 lines long reflexed in 

 fruit: calyx-lobes triangular-subulate, very acute, a line or more long: co- 

 rolla blue and white, 3-4 lines long, the throat about as long as the lips, not 

 very strongly saccate : gland small, capitate, short-stipitate : capsule globose, 

 a little shorter than the calyx : seeds thickish, not margined. Common 

 in moist places, Brit. Columbia to California, Arizona and Michigan. 



C. Torreyi Gray Proe. Am. Acad. vii, 378. Viscid-glandular: stem 

 slender, 2-4 inches high, divergently branched: leaves thickish, the lower 

 ones orbicular to oblong, the blade 4-6 lines long, on petioles as long as 

 the blade : upper ones oblong to linear, 8-12 lines long, short-petioled ; the 

 uppermost ones reduced to subulate bracts: flowers numerous, on slender 

 peduncles 6-8 lines long: calyx about 2 lines long, cleft to the middle, the 

 lobes broadlv subulate and acute: corolla blue and white; the lips as long 

 as the tube and strongly saccate throat: peduncles reflexed in fruit: cap- 

 sule ovoid, about equalling the calyx: seeds oblong, nearly terete. In 

 open places in the higher parts of the Siskiy ou and Sierra Nevada Mountains. 



* * Peduncles erect in fruit : seeds meniscoidal, acute-margined. 

 C. miilliflora. Scurfy-puberulent : stem erect, with rather numerous 

 ascending or spreading branches, 6-12 inches high : lower leaves obovate 

 to spatulate, petioled ; those of the middle of the stem and branches linear- 

 oblong, sessile, 12-18 lines long; the uppermost ones reduced to small 

 linear- lanceolate or almost filiform bracts : flowers only in the upper axils, 

 very numerous, in dense whorls: peduncles filiform, 4-10 lines long, erect 

 in fruit: calyx-lobes triangular subulate, very acute, about 2 lines long, 

 nearly thrice as long as the campanulate tube: corolla about 6 lines long, 

 the throat saccate at base, light blue; the lips blue and white. In damp 

 places, Willamette Valley, Oregon. 



C. pusilla. C. grandiflora var. pusilla Gray. Stem 2-6 inches high, 

 sparingly branched below : lower leaves orbicular to obovate or spatulate, 

 petioled, entire or coarsely toothed; upper ones oblong, 6-12 lines long, 

 sessile : flowers numerous, in t f e upper axils only; peduncles 4-6 lines long : 

 calyx-lobes acuminate-triangular, longer than the tube : corolla 3-4 lines 

 long, blue and violet, the throat saccate and as broad as long. In open 

 places, Brit. Columbia to California, west of the Cascade Mountains. 



C. sparsiflora F. & M. Ind. Sem. Petrop. ii, 33, 1835. Glabrous 

 throughout : stem slender, simple or sparingly branched from the base, 4-10 

 inches high : lower leaves orbicular to oblong, petioled ; upper ones oblong 

 to lanceolate, sessile, 4-8 lines long, all opposite and more or less toothed 

 or entire: peduncles usually solitary, in the axils of the upper leaves, 6-12 

 lines long, erect in fruit: calyx-lobes linear, acute, slightly unequal, longer 

 than the capsule: corolla 4-6 lines long, violet, the saccate throat very 

 oblique but not transverse; lower lip but little if any longer than the up- 

 per: filaments hirsute below: gland sessile, elongated-subulate: seeds 

 acute-margined or narrowly winged. In moist or wet rocky places, Ore- 

 gon to California* 



C. glandnlosa. Glandular-puberulent above ; somewhat cinereous be- 

 low: stem stoutish, erect, sparingly branched above, 6-10 inches high: 

 lowest pair of leaves spatulate, 6-8 lines long, short petioled; upper one$ 



