CATALOGUE. 261 



Var. Stansburyi, Gray. Stouter ; the pubescence of the branches and 

 calyx more or less glandular or viscid ; leaves usually broader ; corolla-tube 

 usually twice longer than the calyx, the lobes either emarginate or erose at 

 the apex; one or two of the cells of the ovary sometimes 2-ovuled — In the 

 southern districts, extending into New Mexico and Arizona. Very common 

 on the mountains and foot-hills through Nevada and Utah; 4,300-9,000 feet 

 altitude; May-July. (895.) 



Sub var. brevifolia, Gray. Usually dwarf; leaves either narrowly or 

 oblong-lanceolate, about i' long. — Very frequent on the mountains and foot- 

 hills through Nevada ; 4,500-8,000 feet altitude ; April-July. (896.) 



CoLLOMiA^ GEANDiFLOEA, Dougl. Graij., I. c, p. 259. Annual, erect, 

 1-2° high, more or less viscid-pubescent or glandular; leaves sessile, linear 

 or oblong-lanceolate, entire or sometimes sparingly incised ; flowers capitate- 

 crowded and leafy-bracted, or a few subsolitary in the forks ; calyx obconical, 

 the lobes broad and obtuse ; corolla bulF or light salmon-color, (rarely white,) 

 narrow-funnelform, 1' long ; ovules solitary ; seeds with very numerous spiri- 

 cles. — West of thie Rocky Mountains, from latitude 48° to Nevada and South- 

 ern California. Frequent on the foot-hills and mountains through Nevada 

 and Utah; 4,500-6,000 feet altitude; June, July. (897.) 



CoLLOMiA LINEARIS, Nutt. Gi-ay, I. c, p. 259. More branching or 

 spreading with age, 6-18' high ; calyx-lobes triangular-lanceolate, acute ; 

 corolla light-blue or nearly white, h' long, slender, but little enlarged at the 

 throat, the limb small ; otherwise as in the last. — From the Mackenzie to 

 Kansas, Nevada and the Pacific. With the last, frequent; May-July. (898.) 



Var. SUBULATA, Gray. A span high, loosely much branched ; leaves 

 linear-lanceolate or linear, narrowed at each end, acute ; lower clusters of 

 flowers rather loose and few- (sometimes single-) flowered ; calyx-lobes 

 slender-subulate or almost^awn-pointed from a broad base, rather longer than 

 the tube. — Middle California to Southern Oregon and Western Nevada, 

 (Stretch.) A low diffusely branched and loosely flowered form, near this 

 variety, was collected in the East Humboldt Mountains ; 7,000 feet altitude ; 

 July, August. (899.) 



' COLLOMIA, Nutt. Corolla tnbular-fumielfonn or salverform with a more or less dilated throat. 

 Filaments slender, unequally inserted, usually protruded. Ovules solitary, few or many in each cell. 

 Seed-coat deyeloping mucilage and projecting numerous spiral threads (spiricles) when wetted, (except 

 in C. gradlis.) — ^Annuals or some hiejinials, with alternate leaves, (or only the lower ones opposite,) which 

 are usually pinnately incised or divided, and with clustered or sometimes scattered flowers. 



