ORTHOCARPUS SCROPfiULARIACE^ 585 



* 



all cuspidate at the apex, ciliate below and with 1 or 2 pairs of subulate 

 divaricate lobes, chartaceous and more or less colored with red or purple : 

 calyx sparsely hispid, 4-6 lines long, its attenuate-subulate lobes almost as 

 longaa the tube : corolla narrow, 6-8 lines long, puberulent, purplish, the 

 tube little surpassing the calyx, the inflexed tip of the galea minute : an- 

 ther-cells oblong, sparsely pubescent. Dry ground, eastern Washington 

 to California, Montana and Brit. Columbia' 



0. imbricatus Torr. in Herb. Watson Bot. King 458. Stem slender, 

 erect, simple or sparingly branched, 2-10 inches high, minutely pubescent: 

 leaves 1-2 inches long, linear to lanceolate, attenuate, the upper ones broad- 

 est and sessile by a broad base, all entire: bracts chartaceous, dull red, 

 oval to oblong, rounded at both ends, usually with a pair of small subulate 

 teeth near the base, otherwise entire, glabrous, 4-5 lines long : calvx 2 lines 

 long, 2-lobed to below the middle, the lobes acutely 2-toothed, ciliate : co- 

 rolla purplish, 4-8 lines long, nearly glabrous, the uncinate-tipped galea 

 a little longer than the slightly dilated 3-plicate lower lip : capsule obovoid, 

 2 lines long : seeds obovoid, black. On grassy plains of the Cascade Moun- 

 tains of Oregon. 



* * Bracts herbaceous, little if at all colored, less or little different 

 from the leaves, all 3-cleft and with acute lobes. 



0. bracteosns Benth. I. c. Hirsute-pubescent : stem strict, simple or 

 branched above, 6-18 inches high : leaves linear-lanceolate, 1 -2 inches long, 

 all 3-lobed to near the base with narrow lanceolate or filiform attenuate 

 lobes : bracts of the thickish and dense spike cuneate-dilated, shorter than 

 the flowers, 3-lobed, the divergent lobes broadly lanceolate, acute: calyx 

 pubescent, about 3 lines long, the 4 filiform teeth about as long as the tube : 

 corolla narrow funnelform, rose-purple, 6-8 lines long, the short galea but 

 little longer than the much dilated 3-saccate lower lip: capsule ovoid, 2-3 

 lines loug : seeds oblong, dark-colored. On dry plains, Brit. Columbia to 

 California, 



0. luteus Nutt. Gen. ii, 57. Pubescent and hirsute, sometime? vis- 

 cid: stem strict, 8-12 inches high, simple, or branched above: leaves erect 

 or ascending, linear or lanceolate, entire or sometimes 3-cleft, long-acumin- 

 ate, 12-18 lines long: bracts of the dense spike lanceolate, broader and 

 shorter than the leaves, entire or 3-cleft, acute, green, mostly longer than 

 the flowers: calyx-teeth acute, shorter than the tube: corolla yellow, 5-6 

 lines long, pubescent outside, its galea ovate, obtuse, about as long as the 

 saccate 3-toothed lower lip : capsule about as long as the calyx-tube. On 

 dry plains, eastern Washington and Brit. Columbia to California and Ariz. 



0. Tolmiei H. & A. Bot. Beech. 379. Pubescent : stem 8-15 inches 

 high, loosely branching : leaves linear or linear-lanceolate, 1-2 inches long, 

 entire or rarely incised : bracts divaricately 3-cleft, the segments acumin- 

 ate : spikes short, rather dense : calyx 2-3 lines long, the tube twice as long 

 as the ovate -lanceolate teeth : corolla 4-6 lines long, bright yellow, glab- 

 rous, the galea uncinate, little exceeding the narrowly saccate 3-plicate 

 lower lip, slightly hairy on the margins, the teeth very short: capsule 

 oblong, 2 lines long, retuse. compressed: seeds 4-6, oblong. In the 

 mountains of southern Idaho to the Wahsatch Mountains of Utah. 



3 TRIPHYSARIA Benth. Corolla with conspicuous trisaccate 

 lower lip, very much longer than the slender straight galea, its 

 teeth minute or small: tube filiform or slender: stigma capitate, 

 sometimes 2-lobed . ; < v 



* Lower lip of the corolla saccately three-lobed from the end : anthers 

 one-celled: seed-cpat close, conformed to the nucleus, apiculate at one or 

 both ends. 



