Vol. III.] 



PHLOX FAMILY. 



37 



14. Phlox Hoodii Richards. Hood's 



Phlox. (Fig. 298 r.) 



Phlox Hoodii Richards. App. Frank. Journ. 733. pi. 

 28. 1823. 



Densely tufted and branched from a woody root, 

 7. f -\' high. Leaves imbricated, erect, rigid, subu- 

 late, mucronate, somewhat woolly or ciliate, be- 

 coming glabrate, 2 // -6' / long; flowers solitary and 

 sessile at the ends of the branches, about 5" long; 

 calyx-teeth lanceolate, acuminate, rigid, longer 

 than the tube; tube of the corolla shorter than or 

 equalling the calyx, its lobes obovate, entire. 



In dry sandy or rocky soil, Manitoba to the North- 

 west Territory, south to western Nebraska and Wyo- 

 ming. May-July. 



15. Phlox Douglasii Hook. Douglas' 

 Phlox. (Fig. 29S2.) 



Phlox Douglasii Hook. Fl. Bor. Am. 2: 73. pi. ijS. 



1834- 



Similar to the preceding species; leaves pu- 

 bescent or glabrous, less imbricated, sometimes 

 spreading, rigid, usually fascicled at the nodes, 

 4 // -7 // long. Flowers solitary and sessile or 

 short-pedicelled at the ends of the branches, 

 5 // -S // long; calyx-teeth narrowly lanceolate, 

 acuminate, about equalling the tube; tube of 

 the purple or white corolla longer than the 

 calyx, its lobes obovate, entire. 



Dry soil, Nebraska and Montana to Utah, Cali- 

 fornia and British Columbia. May-July. 



Phlox Douglasii andicola Britton, Mem. Torr. Club, 5: 269. 1894. 

 Phlox Douglasii longifolia A. Gray, Proc. Am. Acad. 8: 254. 1870. Not P. longifolia Nutt. 

 Leaves longer, 8"- 12" long, less fascicled at the nodes. Range of the type. 



2. GILIA R. & P. Prodr. Fl. Per. 25. pi. 4.. 1794. 



Herbs with opposite or alternate, entire pinnatifid palmatifid or dissected leaves. Flow- 

 ers small or large, solitary, cymose, capitate, thyrsoid, or paniculate. Calyx campanulate 

 or tubular, 5-toothed or 5-cleft, the sinuses usually scarious. Corolla funnelform, tubular, 

 campanulate or rarely salverform, 5-lobed, the lobes ovate, oblong, or obovate. Stamens 

 equally or unequally inserted on the corolla, included or exserted. Ovary oblong or ovoid, 

 3-celled; ovules solitary or several in each cavity. Capsule ovoid or oblong, 3-celled, at 

 length distending and rupturing the calyx. Seed-coat commonly mucilaginous when 

 wetted, in some species emitting spiral thread-like tubes. [Named for Philip Gil, a Span- 

 ish botanist.] 



About 75 species, natives of America. Besides the following, some 48 others occur in the 

 southern and western parts of North America. 

 Leaves entire. 



Flowers paniculate. 

 Flowers narrowly thyrsoid-spicate. 

 Leaves pinnately divided, pinnatifid or palmatifid. 



Leaves palmatifid into 5-7 rigid subulate segments. 

 Leaves pinnatifid or pinnately divided, the segments linear, not rigid. 

 Flowers thyrsoid-paniculate or corymbose-paniculate. 

 Corolla i'-2' long; plants i-4"tall. 

 Flowers paniculate, white. 

 Flowers narrowly thrysoid, red. 

 Corolla 3" -5" long, violet or blue. 

 Flowers narrowly thyrsoid-spicate. 

 Flowers in dense or capitate cymes, or heads. 

 Flower-clusters leafy-bracted. 



Perennial; corolla-tube not longer than the calyx. 

 Annual; corolla-tube 2-3 times as long as the calyx. 

 Clusters bractless; corolla campanulate. 



1. G. gracilis. 

 6. G. spicata. 



2. G. pungens. 



3. G. longijlora. 



4. G. aggregata. 



5. G. pinnatifida. 



6. G. spicata. 



7. G. congesta. 



8. G. pumila. 



9. G. tricolor. 



