Collomia. POLEMONIACE.E. 487 



Sierra Neva.la, from Mariposa Co. to Shasta, at 5,000 to 10,000 feet, thence far northward and 

 eastward ; on the westward slope mainly the var. dlfusa. A variable species. 



4 P Ccespitosa, ^'utt. Forming dense and cushion-like tufts 3 or 4 inches 

 hi-h- leaves sliort {-2 to 5 lines long), from acerose-subulate to oblong-linear, rigid, 

 ere^ct or ascending and usually imbricated, completely covering the ^^^^^^ stems t^ 

 edges ciliate with short bristly hairs, otherwise glabrous : flowers as in the pieced- 

 ing but smaUer. — Jour. Acad. Phdad. vu. t. G. 



The species, in several forms, extends eastward to the Rocky Mountains. 



^ +- Leaves hoary xvitli soft pubescence or cohiuehby wool: flowers ivhite. 



5 P canescens, Torr. & Gray. Forming broad and mostly compact mats, a 

 few'inches high, gray or whitened by the woolly pubescence : leaves acerose or sen- 

 der-subulate, ascending or somewhat spreading, ratlier rigid, 3 to 5 lines long .tube 

 of the corolla longer than the calyx ; the lobes obovate, entire or emargmate. - 

 Pacif. E. Eep. ii. 8, t. G. . , ., , 



Eastern side of the Sierra Nevada on the borders of the State {Fdoo.ur, Watson), and through 

 the interior country to Utah and AVyommg. vi ^ f* -fi, fl,o 



P MUScoiDES and P. bryoides, Nutt., are smaller species, in dense moss-like tufts, with the 

 dow^y leaves'^comjii^ imbricated in four ranks, natives of the interior and Rocky Mountams. 



2. COLLOMIA, Nutt. 

 Calyx 5-cleft. Corolla saberform or tubular-funnelform ; the throat commonly 

 enlar-cd Stamens usually more or less exserted, with slender filaments, unequally 

 insert'ed in or beneath the throat of the corolla. Ovules and seeds solitary or several 

 in eacli cell. Seed-coat simple, when wetted producmg copious mucilage (whence 

 the generic name), which is usually filled with long uncoiUng spiral threads.— 

 Chiefly annuals (North American, and one or two extra-tropical South American), 

 mostly glandular-viscid ; with alternate leaves, or the lower opposite, either entire, 

 incised,°or pinnately compound : flowers cymose-clustered or panicled, or scattered. 



S 1 Corolla salverform, or ivith the throat or %VP^^ P<^r^ «/ '^^^ ^«^^ someivhat en- 

 larged : seeds solitary in each cell, or 2 or S m the last species. 

 :.^ Leaves simx>le and sessile, entire, or the lower occasionally few-toothed or incised. 

 +- Cahjx-tiihe ohcnnical or top-sha'ped : leaves all hut the lotvest alternate. 

 1 C grandiflora, Douo-l. Erect, a foot or two high, rather stout : leaves 

 linear, Jblong-lauceulate, or the uppermost almost ovate (2 or 3 inches long) : flowers 

 carntate-crowded at the summit and in the upper axils : calyx-lobes obtuse : corolla 

 buff or salmon-color (an inch long and the oblong lobes 4 lines long), showy. — 

 Lindl. Bot. Eeg. t. 1174 : Hook. Bot. Mag. t. 2894. 



Sierra Nevada and higher foot-hills, from San Diego Co. northward ; thence to Oregon and the 

 Rocky ^lountaius. 



"> C linearis Iv^utt. More branched, and wdien old spreading, a span to a foot 

 or more in height: lower leaves linear, upper lanceolate: flowers capitate-crowded 

 as in the foregoing, but smaller : calyx-lobes triangular-lanceolate and very acute : 

 curoUa yellowish-white or brownish -purple, slender, half an inch long or l«f J f 

 oval lobes about a line long. -Gen. i. 126 ; Lindl. Bot. Eeg., t. 11Gb ; Hook. Bot. 

 Mag. t. 2893. . , • i . 



A^ar subulata, Gray. Diffusely much branched, a span or so in height, moie 

 viscid : leaves acute : flowers fewer in the clusters, and some scattered or nearly 



