74 SPRING FLORA 



2. P. Hoodii Richards. Sparsely woolly when young 1 , at 

 length grabrate. Stem 2-4, inches high, densely tufted and 

 branching from a woody root. Leaves imbricate, erect, rigid, 

 subulate and mucronate. Flowers solitary and sessile at 

 the ends of the branches.. Corolla white. May-June. 



2. GILJA. (Includes Collomia, Microsteris, Linanthus). 



Annual, biennial or perennial herbs with alternate (or 

 sometimes opposite) leaves. A genus of wide diversity as to 

 shapes of leaves and of corolla, and types of inflorescence. 

 Capsule at length distending- and often bursting the calyx- 

 tube. Seeds usually mucilaginous when moistened. 



Annuals. 



Leaves not spinulose-tipped. 



Leaves sessile, and entire; stamens unequally 



inserted. 

 Inflorescence scattered or loosely cy- 



mose 1. G. gracilis 



Inflorescence capitate-glomerate and leafy- 



bracted. 

 Corolla from pink-purple to nearly white, 



with yellow tube 2. G. linearis 



Corolla buff or pale salmon- 

 color 3. G. grandiflora 



Leaves (or some of them) palmately di- 

 vided 4. G. Harknessii 



Leaves pinnatifid or pinnately-parted. 5. G. inconspicua 



Leaves and calyx-teeth spinulose-tipped 6. G. minima 



Biennials or perennials. 



Leaves alternate; pinnately divided into remote linear 



segments 7. G. aggregata 



Leaves opposite or fascicled in the axils, palmately 



3-7-parted into acerose segments 8. G. Watsonii 



1. G. gracilis Hook. (Microsteris micrantha (Kellogg) 

 Greene; Collomia micrantha Kellogg; C. gracilis A. Gray; Gilia 

 micrantha (Kell.) A. Nels.) Pubescent, 2-6 inches 'high; at 

 length becoming much-branched. Leaves opposite below, al- 

 ternate above. Flowers small, borne singly or in pairs in the 

 axils of the upper leaves. Calyx tubular, 5-cleft. Corolla 

 salver-shaped with a narrow tube; white or rarely pink. Sta- 

 mens straight, short. Capsule 3-celled, each cell 1-ovuled. 

 Seeds few, not becoming mucilaginous when moistened. (In 

 subspecies spirillifera the seeds do become mucilaginous when 

 moistened). On dry plains. April-June. 



2. G. linearis Gray. (Collomia linearis Nutt.) Sparingly 

 viscid-pubescent; 6-20 inches high, simple or sparingly branched 

 from base. Leaves broadly linear or oblong-lanceolate. Corolla 

 salverform. Ovules solitary. Seeds emitting spiral threads 

 when moistened. In moist shaded places, especially in the 

 mountains. June-Aug-ust. 



3. G. grandiflora A, Gray. (Collomia grandiflora Dougl.) 

 Stem leafy throughout, erect and unbranched; %-2 ft. high, 

 flowering only at the summit. Leaves from broadly linear to 

 lanceolate, or nearly ovate above. Bracts and calyx viscid- 

 pubescent. Corolla at least 1 inch long, narrowly funnelform. 

 Seeds emitting- spiral threads when moistened, Dry sandy 

 soil on plains and hillsides, June-August. 



