SCROPHULARIACEAE (I'lGWORTi FAMILY) 461 



fore and behind, the lobes short-bifid: corolla barely exceeding calyx and 

 bracts; galea short, not more than half as long as the tube, twioei as long 

 as the lip; lip slightly ventricose but not callous, the 3 teeth shprt-oblong, ob- 

 tuse, as long as the ventricose portion. — Northwestern Wyoming and ad- 

 jacent Idaho and Montana. 



20. Castilleja pallescens (Gray) Greenman, Bot. Gaz. 25: '266. 1898. 

 einereous-puberulent; stems 2-3 dm. high, usually several from a woody 

 perennial base, simple or sparingly branched above: leaves 3-pdrted into 

 linear lobes; or the lower entire: bracts similar to the leaves, with diluted base 

 or the upper with shorterj obscurely whitish or yellowish lobes: calyx deeply 

 2-cleft, the broad lobes merely 2-cleft . at the summit: corolla over 12 mm. 

 long; galea broadish,; obtuse; the lower lip nearly half as long aS thegalea, 

 obscurely saccate.— Northwestern Wyoming tO; Oregon and> Washington.' ■ 



21. Castilleja Uneata Greenes Pitt. 4: 151. 1900. Tufted steins rigid and 

 brittle, but not sufirutescent, about 2-4 dm. high from a perennial root, 

 narrowly and not densely spicate;' herbage hoai^-tomentose: leaves ascending, 

 linear, 3-6. cm. long, entire, or in more robust plants with one or more pairs of 

 linear segments, all strongly 3-heryed and channeled and appearing striate: 

 bracts similar to the leaves, more commonly palmaiely cleft to the rniddle into 

 3 linear lobes: corollas, greenish and. inconspicuous, little exceeding the calyx 

 and bracts, 2-3 dm. long; galea shorter than the tube and the 'lower lip very 

 short. (C linearis Rydb. Bull. Torr. Bot. Club 28:' 25. 1901.)— Mountains 

 of Colorado. 



22. CastillejaoccidentalisTorr. Ann. Lye. N. Y. 2: 230. 1828. Commonly 

 villous with weak cobwebby hairs at least in the dense and short, leafy-bractfed 

 spike, often glabrous below; stems short, 8-20 cm. high: bracts Comparatively 

 broad, mostly incised or cleft, the tips whitish or yellowish and niore or less 

 streaked with red toward the baset calyx equally cteft to or below the middle 

 and again more or less 2-icleft: lip about half the length of the rather buoad 

 galea. (C. puberula Rydb. 1. c. 31: 644.) — In the alpin"6 regions of our range. 



23. Castilleja suliihurea Rydb. Mem. N. Y. Bot. Card. 1: 359. 1900. 

 Stems i3-5 dm. high, striate, finely puberulentor the upper portion slightly 

 villous, simple: leaves linear to lanceolate or the upper ovate, 4-5 cm. long, 

 entire otth^' upper cleft or lobed, acute, finely puberulent, 3-5-ribbed, light 

 green: bracts 2-3 cm. longj broadly ovate, obtuse, entire, or with a few small 

 teeth, 3-5-ribbed, puberulent, yellow or yellowish-green: calyx about 1^5 eth. 

 long, about equailjriclefti before and behind and cleft about 2-3 mm. at the 

 sides: corolla greenish^ 2.2-2.5 cm. long; galea about< three times; as long as 

 the lip which is 3-cleft or lobed. [C. luteovirens Rydb. Bull. Torr, iBot. Club 

 28: 26. 1901; C. wyoming'ensisRydh. {"!).] — Veryi common in mOist places 

 in the mountains; tmroughoui our range. i 



16. ORTHOCARPUS Nutt: 



AnnuaJ, herbs with altemaite leaves and yellow, white, or purple flowers in 

 bracted -spikes; the bracts; often bright-ooloted. CalJ^x tubular or'tuBIalir- 

 campanulate, 4-cleft. Corolla very irregular, the tube slender, the limb bi- 

 labiate;' upplsr'lip little if ahy longer than the 3-lobed, 1-3-saccate lower ohe. 

 Staimens 4, ascending under the upper Up; anther-cells dissimilar, the outer 

 one affixed by its middle, the other pendulous from its vpper end, commonly 

 small, sometimes wanting. Style filiform, with entire stigma. Capsule ob- 

 long, many-seeded. 



Corolla yellow;. spike dense. 



■'PubSscent anil hirsute;' stem usually strict .... 1. O.'luteus. 



Merely puberulent; stem usually divaricately branched above . 2. O. Tolmiei. 



Corolla white, turning rose-purple 3. O. purpureo-albus. 



1. Orthocarpus luteus Nutt. Gen. 2: 57. 1818. Pubescent and hirsute, 

 sometimes' viscid; stem strict, 1-3 dm. high; leaves linear to lanceolate, occa- 

 sionallyi 3-cleft, about equaling the flowers: corolla golden-yellow, about 1 cm. 



