Gilla. rOLEMONIACEiE. 141 



narrower and only half as large as in the preceding: anthers in the throat, ohlong : ovules 

 8 or 10 in each cell. — Proc. Am. Acad. 1. c. G. pungens & G. Ilookeri, Eenth. in DC. 1. c. 

 — Plains of the Ujiper Platte and Columbia to Arizona and E. California. Widely varia- 

 ble. The original Caidua puiyens, Torr. Ann. Lye. N. Y. ii. 26 (jEgochloa Torreyi, Don), of 

 the Platte, is a low glabrate form. 



Var. CSBSpitosa, Gray, 1-c. {Leptodactyhn ccespitosum, Nutt. PI. Gamb.),is a low and 

 dense form, imitatmg Phlo.c DoiKjlasli in growth. — Scott's Bluffs, Wyoming, Nuttall. 



Var, Hookeri, Gray, 1. c. {Phlox Houkeri, Dougl. in Hook. Fl. ii. TS, t. 159, & G. 

 llookcri, El nth.), is taller, with sjiarser more rigid leaves, and viscid-pubescent flowering 

 shoots. — Interior of Oregon, California, &c. Flowers not found to be " yellow." 



Var. squarrosa, Gray, 1- c. A foot or two high, with virgate branches, beset with 

 stouter and more rigid rccurved-spreading pungent leaves. — Dry interior region, Nevada 

 to Idaho and Washington Terr. 



Series II. Leaves alternate and pinnately incised, cleft, or divided, or rarely 

 entire, occasionally some of the lowermost opposite : filaments slender: seed-coat 

 (as in Collomia) when wetted mucilaginous and sending out threads containing 

 each a spiral coil (spiricle), except in a few species. 



§ G. Navarretia, Gray, 1. c. Flowers capitate-crowded and densely foliaceous- 

 bracted (in. the last species less so) : lobes of the calyx and of the mostly (some- 

 times nearly palmately) multifid bracts rigid and acerose-pungent or spinulose, 

 often laciniate or unequal: corolla slender, tid:)ular-funnelform or almost salver- 

 f.)rm, and with rather small oval or oblong lobes : filaments inserted in or below 

 tiie throat : anthers short : stigmas and cells of the ovary sometimes reduced to 2 : 

 low and much-branching annuals, sometimes glandular-viscid, never white-woolly ; 

 with chiefly 1-2-pinnately divided or cleft leaves, their lobes commonly subulate 

 and pungent. — Navarretia, Ruiz & Pav., Benth. 



* Leaves and bracts, or some of tliem, more than once pinnately parted, i. c. their primary divisions 

 incised or parted. 



+- Ovules and seeds numerous (8 to 12) in each cell: stamens included in the tliroat of the corolla, 

 commonly unequal in length and slightly so in insertion: herbage very glandular-viscid and 

 unpleasantly aromatic-scented. 



G. squarrosa, Hook. & Arn. Eather stout and rigid, often a foot high : upper leaves 

 and bracts spinescent : tube of the small blue (or sometimes whitish) corolla rather shorter 

 than the inostly entire calyxdobes. — Bot. Beech. 151; Gray, Proc. Am. Acad. 1. c. 269. 

 G. pungens, Hook. Bot. Mag. t. 2977. Hoitzki sqiiarrnsd, Esch. JEgochloa pungens, Benth. in 

 Bot. Reg. 1. c. Navarretia squarrosa, Hook. & Arn. 1. c. 368. N. pungens, Hook. Fl. ii. 75. 

 Plains of California and Oregon ; a common fetid weed. 



-(— H— Ovules varying from 1 to 2 or 3 to 4 in each cell: stamens exserted out of the throat of 

 tile corolla, at length mostly equalling the lobes : herbage less viscid or glandular, in some not 

 at all so. 



G. cotulsef olia, Steud. Rigid, a span to a foot high, pubescent or below glabrate, above 

 inostly minutely glandular : leaves chiefly 2-pinnately parted ; the subulate divisions of the 

 upper and of the bracts spinescent : tube of the violet-blue or white corolla hardly longer 

 llum the lobes of the sparsely villous calyx; the throat funnelform : ovules solitary 

 or randy a pair in each of the (frequently oidy 2) cells of the ovary. — yEgochloa pubescens 

 & col nhp folia, Benth. in Bot. Keg. Navarretia puhescens & cotnla'Jolia, Hook. & Arn. 1. c. ; 

 Benth. in DC. 1. c. — California ; common westward, on dry hills : exhales the odor of Anthe- 

 mis ('otula. 



G. intertsxta, Steud. Erect nr widely branched, low and rather stout, neither viscid 

 nor glandular : stem retrorsely pubescent : leaves mainly glabrous, with divaricate acerose- 

 spinescent divisions sparingly divided or simple: flowers densely glomerate: tube of the 

 calyx and base of the bracts strongly villous with white spreading hairs ; its lobes equalling 

 the white corolla : ovules and seeds •> or 4 in each cell. — Navarretia intertexta. Hook. 1. c. — 

 Plains of Columbia River to California and the Rocky Mountains. Corolla 3 or 4 lines 

 long, the stamens equalling its lobes. 



