288 SCROPHULAKIACE..E. (FIGWOKT FAMILY.) 



ochroleUcous or tinged or variegated with purple, less than an inch long: 

 tip of galea emarginate-truncate and below conspicuously cuspidate-biden- 

 tate. — From the Colorado mountains to Canada and Florida. 



•t- +- Not alpine, tall or slender. 

 ** Leaves undivided : galea bidentulate at tip. 



5. P. crenulata, Benth. Villous-pubescent, at length glabrate : stems a 

 foot or less high: leaves oblong-linear or narrower, obtuse, 1J to 3 inches 

 long, closely crenate and the broad crenatures minutely crennlate : spike short 

 and dense : corolla whitish or purplish, f inch long, like that of the last, but 

 the teeth at the apex of galea less conspicuous. — In the Colorado Moun- 

 tains. 



*+ +» Leaves all pinnately parted and the lower divided, ample ; divisions lacini- 

 ate-serrate or pinnatifid: spike naked: galea almost straight, cucullate at 

 summit. 



6. P. bracteosa, Benth. Glabrous, or the dense cylindraceous and 

 usually pedunculate spike somewhat pilose: stem 1 to 3 feet high: brads 

 ovate, acuminate, shorter than the Jfoaitnt,: calyx-lobes equalling the tube: corolla 

 less than an inch long, pale yellow ; galea much longer and larger than the lip. — 

 From the mountains of Colorado and Utah to British Columbia. 



7. P. procera, Gray. Puberulent: stem robust, l£ to 4 feet high: leaves 

 pinnately divided into lanceolate and irregularly pinnatifid segments : brads 

 lanceolate, caudate-acuminate, mostly longer than the flowers, serrate or denticu- 

 late, or the upper entire: spike 8 to 15 inches long: calyx-lobes much shorter 

 than the tube: corolla about l£ inches long, sordid yellowish and greenlsh-striate ; 

 galea hardly longerthan the ample lip. — Am. Jour. Sci. II. xxxiv. 251. Moun- 

 tains of Colorado and New Mexico. 



•*- *- *- A/pine: stem few-leaved, a span or so high. 



8. P. SCOpulorum, Gray. Glabrous, except the arachnoid-lanate dense 

 oblong spike : calyx-teeth triangular-subulate, entire, very much shorter than 

 the tube: galea of the reddish-purple (§ inch long) corolla with its somewhat 

 produced apex obliquely truncate, edentulate or produced on each side into 

 an obscure triangular tooth. — Synopt. Fl. ii. 308. P. Sudetica, var. Colo- 

 rado Rocky Mountains, at 12,000 to 14,000 feet. 



16. B. HI NAN THUS, L. Yellow-Rattle. 



Herbs, witb erect stem, opposite leaves, and mostly yellow subsessile flowers 

 in the axils, the upper ones crowded and secund in a leafv-bracted spike. 

 Seeds when ripe rattle in the inflated dry calyx. 



1. B. Crista-galli, L. About a foot high, glabrous, or slightly pubes- 

 cent above : leaves from narrowly oblong to lanceolate, coarsely serrate ; 

 bracts more incised and the acuminate teeth setaceous-tipped : corolla barely 

 half-inch long, only the tip exserted ; transverse appendages of the galea trans- 

 versely ovate, as broad or broader than long : seeds conspicuously winged. — 

 Alpine region of the liocky Mountains southward to New Mexico and far 

 northward. 



