248 POLEMONIACE^E. (POLEMONIUM FAMILY.) 



4. P. canescens, Torr. & Gray. More lanate and canescent : leaves im- 

 bricated, soon recurved-spreading above the appressed base : tube of the white 

 corolla at length exceeding the calyx ; the obovate lobes entire or emarginate. 

 Pacif. R. Rep. ii. 8. From Wyoming and Colorado to the mountains of New 

 Mexico and California. 



H- H- Leaves rigid, destitute of woolly or cobwebby hairs, the margins naked or 

 dilate with rigid or rather soft hairs: plants either densely or loosely tufted : 

 the leaves mostly less crowded. 



5. P. Csespitosa, Nutt. Leaves linear-subulate or oblong-linear, commonly 

 much crowded, hispid-ciliate, otherwise glabrous or with some short glandular- 

 tipped hairs: corolla with tube somewhat exceeding the calyx. Jour. Acad. 

 Philad. vii. 41. Mountains of Colorado, Montana, and westward. Occurs 

 under several dwarfed forms. 



6. P. Doilglasii, Hook. Less densely tufted, either pubescent or nearly 

 glabrous : leaves acerose or narrowly linear subulate, less rigid and usually less 

 crowded, often spreading, their margins hirsutely ciliate next the base or naked : 

 flowers subsessile or short-peduncled : corolla (purple, lilac, or white) with tube 

 exceeding the calyx. From Montana to Utah, Colorado, and westward. 



Var. longifolia, Gray. A rigid form, of more arid regions, and long and 

 narrow less fascicled leaves. Proc. Am. Acad. viii. 254. W. Nebraska to 

 Oregon and California. 



* # Loosely tufted or many-stemmed from a merely woody-persistent base, with 

 linear or lanceolate spreading leaves, which are little if at all fascicled in the 

 axils : flowers slender-peduncled. 



7. P. longifolia, Nutt. Nearly glabrous or pubescent, much branched or 

 many-stemmed, 3 to 8 inches high : leaves mostly narrowly linear, 1 to 2 \ 

 inches long : calyx more or less angled by the white-membranaceous replicate 

 sinuses : lobes of the rose-colored or white corolla obovate- or oblong-cuneate, 

 entire or retuse : style long and slender. Jour. Philad. Acad. vii. 41. From 

 Colorado to Montana and westward. 



Var. brevifolia, Gray. A depressed or dwarf form ; with leaves 3 to 

 4 lines long, rigid and with more cartilaginous margins, at least the lower 

 lanceolate or ovate-lanceolate. Proc. Am. Acad. viii. 254. 



8. P. nana, Nutt. Glandular and roughish-pubescent, loosely and copi- 

 ously branching, a span or more high : leaves linear, 1 to 2 inches long, those 

 of the branches often alternate: flowers scattered or somewhat corymbose : 

 calyx not at all angled: lobes of the rose-red or white corolla ample and 

 broadly cuneate-obovate or roundish, entire or nearly so : style very short. 

 PL.Gamb. 153. From S. Colorado to New Mexico and Texas. 



2. G I L I A, Ruiz & Pav. 



A large and variable genus, broken up into many ill-defined sections, 

 which are sometimes considered genera. Includes Collomia, Nutt., formerly 

 separated by its unequally inserted stamens and solitary ovules, but both 

 characters have failed. Gray, Proc. Am. Acad. viii. 261; Ibid. xvii. 223, 

 foot note. 



