76 POLEMONIACEffl. (gILIA FAMILY.) 



Stamens unequally inserted and included in the narrow tube of the salver- 

 form corolla . . Collomia. 1 



Stamens equally inserted on the throat or tube of the corolla; filaments 



not declined Gilia. 2 



Filaments more or less declined; otherwise as Gilia. Leaves all pinnate 



and alternate; corolla short Polemonium. 3 



1. COLLOMIA, Nutt. 



The throat of the corolla commonly enlarged. Stamelis more or less exserted, with 

 slender filaments, mostly glandular-viscid; with alternate leaves, or the lower ojjposite, 

 various. 



* Leaves simple and sessile, entire, the lower ones opposite. 



1. C. gracilis, Dougl. A span or two high, in age much branched; the flowers at 

 length somewhat scattered; leaves lanceolate or linear, or the lowest oval or obovate, 

 an inch or less long; corolla rose-purple, turning bluish, less than half an inch long, 

 narrow. 



* * Leaves deeply cleft or compound, the lower petioled; stems loosely branched. 



2. C. gilioides, Benth. A span to 3 ft. high; lower leaves simply pinnately parted 

 into linear lateral lobes, or the terminal lobe oblong and toothed, upper leaves 3-5- 

 divided; corolla pink or purplish, its slender tube about half an inch long, twice or 

 thrice the length of the calyx; capsule globular, 3-seeded. 



3. C. heterophylla, Hook. A span or two high, dififuse; leaves mostly pinnately 

 parted or the upper pinnatifid, and the lobes incised or cleft; the u^jper most often entire 

 and broader, subtending the capitate-clustered flowers; corolla purplish, lialf an inch 

 long; stamens very ujiequally inserted. 



2. GILIA. Euiz & Pav. 



Corolla funnel-form, salver-form, or sometimes short-campanulate or rotate, regular. 

 Stamens equally inserted (but sometimes with unequal filaments), not declined. Leaves 

 various. 



* All of the leaves opposite, at least on the main stems, sessile and palmately parted or 

 rarely entire. (Seeds mucilaginous in water.) 



Corolla from short funnel-form to almost rotate; the lobes obovate; filaments slender; 

 anthers oval. Low or slender, loosely and mostly small flowered annuals; the leaves 

 with filiform or setaceous divisions, appearing as if whorled. Li ours, the flowers on 

 filiform pedicels, loosely paniculate. § 1. Dactijlophyllum. 



Corolla salver-form, but the tube shorter than the calyx, the broad cuneate-obovate 



