40 



rOLEMONIACEAE. 



[Vol,. III. 



7. Gilia congesta Hook. Round- 

 headed Gilia. (Fig. 2989.) 



Gilia conges/a Hook. Fl. Bor. Am. 2: 75. 1834. 

 Gilia iberidi/blia Benth. in Hook. Kew. Joum. 

 Bot. 3: 2Cft. 1851. 



Perennial by a deep root, wooUy-tomentose, 

 at least when young, branched from the base or 

 also above, 3'-i8' high. leaves mostly petioled, 

 yi'-2' long, pinnately divided into 3-9 narrowly 

 linear sharp-pointed segments, or the upi)ermost 

 entire; flowers white, densely capitate-clustered, 

 2"-T," long, the clusters bracted by the upper 

 leaves, Yz'-x' broad, sometimes corymbed; calyx- 

 lobes awn-like; corolla-tube about the length of 

 the calyx, sliglitlj- longer than the oval lobes; 

 filaments equally inserted in or below the sinuses 

 of the corolla; ovules 1-4 in each cavity. 



In dry soil, Nebraska and Colorado to California, 

 north to Montana and Oregon. JIay-.\ug. 



8. Gilia pumila Nutt. Low Gilia. 

 (Fig. 2990.) 



Gilia pumila Nutt. Journ. Acad. Nat. Sci. Pliila. 

 (H.) i: 156. 1S4S. 



Annual, branched from the base and some- 

 times also above, woolly at least when young, 

 3'-8' high. Leaves alternate, thick, 'yi'-i' 

 long, pinnately divided into linear mucronulate 

 sometimes lobed segments, or the uppermost 

 entire; flowers in dense or at length looser sim- 

 ple or compound cymes, sessile; corolla 2,"~V 

 long, its tube about 3 times the length of the 

 lobes and twice as long as the calyx; calyx- 

 lobes awn-like; stamens inserted in or below 

 the sinuses of the corolla, somewhat exsertcd; 

 ovules 5 or 6 in each cavity. 



In dry soil, western Nebraska to Texas, we,st to 

 Nevada and New Mexico. April-June. 



9. Gilia tricolor Benth. Tricolored Gilia. 

 (Fig. 2991.) 



Gilia tricolor Benth. Bot. Reg. pi. 1632. 1833. 



Annual, viscid-puberulent, at least above; 

 stems slender, commonly branched, 6'-2° high. 

 Leaves alternate, slcnder-petioled, or the upper 

 sessile, 2-3-pinnately divided into narrowly linear 

 acute segments; lowest leaves sometimes 6' long; 

 flowers short-pedicellcd, 5"-~" long, in terminal 

 pedunclcd simple cymes; calyx-lobes triangular- 

 lanceolate, acute or acuminate, often purple-mar- 

 gined; corolla campanulate-funnelform, 2-3 times 

 as long as the calyx, its tube 5-ellowish, short, the 

 throat brown-purple, the oval to orbicular lobes lilac 

 or violet; stamens equallj- inserted at the sinuses; 

 ovules several in the cavities; seeds mucilaginous 

 and emitting spiral threads when wetted. 



Escaped from gardens to roadsides at Lincoln. Neb. 

 (according to Webber). Native of California. April- 

 Mav. 



