castilleia SCROPHULARI ACE.E 533 



ORTHOCARPUS 



the lower somewhat narrower and sometimes entire, the upper iaciniately 

 cut into narrow lobes: bracts yellow, an inch or more long, oblong, sub- 

 digitately lobed at the summit: calyx 8-10 lines long, pubescent outside, 

 the oblong lobes again rather deeply 2-lobed, obtuse or rounded at the 

 summit: corolla an inch or more long, the galea 4-6 lines long, 2 or 3 times 

 longer than the shortly and obtusely 3-lobed lower lip. On dry plains, 

 western Washington. 



C. rnstica Piper Bull. Torr. Bot. Club xxvii, 398. Minutely white- 

 pubescent throughout and somewhat glandular above : stems erect, simple 

 or more commonly with some erect branches : leaves narrowly lanceolate, 

 rather few, mostly entire: bracts 3-5-cleft, only the lower longer than the 

 flowers, greenish : spike dense, 1-4 inches long: calyx 6 lines long, short- 

 villous, equally cleft before and behind, the segments slightly shorter than 

 the tube, each divided to the middle into similar triangular acuminate 

 teeth : corolla greenish-yellow, about 8 lines long, the obtuse galea more 

 than half as long as the tube: lower lip one-fourth as long as the galea, 

 saccately 3-lobed, the free portions acute. Rocks of the Wallowa river, 

 eastern Oregon. 



C. rubida Piper I. c. Pubescent with short white crisp hairs and also 

 minutely glandular: stems numerous, simple, decumbent, 1-6 inches long, 

 from a stout woody caudex : leaves linear or lanceolate, entire or more 

 commonly 3-cleft, 6-12 lines long: bracts 3-7-cleft, mostly tinged with dull 

 purple : spikes short and dense : calyx more or less villous, 6 lines long, 

 equally cleft before and behind, the lobes half as long as the tube, each 

 again deeply cleft so that the 4 triangular acuminate teeth are subequal : 

 corolla 8 lines long, the blunt galea only one third as long as the tube, 

 slightly longer than the saccately 3-lobed lower lip, the free portions ot 

 which are oblong and obtuse. iSubalpine on the Wallowa Mountains, 

 northeastern Oregan. 



29 ORTHOCARPUS Nutt. Gen. ii, 56. (1818.) 



Annual herbs with alternate leaves and yellow, white or purple 

 flowers in bracted spikes, the bracts often bright-colored Calyx 

 tubular or tubular-campanulate, 4-cleft, Corolla very irregular, 

 the tube slender, the limb bilabiate; upper lip little if any longer 

 than the 3-lobed 1-3-saccate lower one. Stamens 4, didynamous, 

 ascending under the upper lip. Anther-cells dissimilar, the 

 outer one affixed by its middle, the other pendulous from its upper 

 end. commonly small, sometimes wanting. Style filiform, with 

 entire stigma. Capsule oblong, loculicidally dehiscent, many- 

 seeded. Seeds reticulated. 



§ 1 Castilleioides Gray Bot. Cal. ii, 575. Corolla with the 

 lower lip simply or somewhat triply saccate and with conspicu- 

 ous mostly erect lobes, the upper lip either broadish or narrow. 

 Anthers all 2-celled. Seeds with a very loose and arilliform 

 cellular-favose coat. 



* Upper lip narrow and nearly straight, lanceolate-triangular or 

 broadly _ subulate, naked: lower lip moderately ventricose and some- 

 what plicate-trisaccatefor its whole length, the teeth or lobes conspicu- 

 ons, erect : filaments glabrous : capsule oblong or oval. 



0. attenuatus Gray Pacif. R. Rep. iv, 121. Minutely hirsute-pubes- 

 cent: stem slender, erect, 6-18 inches high, simple, or branched from the 

 base : leaves linear and attenuate, often with a pair of filiform lobes, 3-ner- 



