156 MR. NUTTALL'S DESCRIPTIONS OF NEW 



G. *CKEBRiFOLiA. Perennial and branching from the base ; leaves entire, linear, acute and fleshy, smooth, 

 crowded so as to conceal the stem j flowers in capitate clusters ; stamens exserted to the length of the 

 corolla segments. 



Hab. Big Sandy Creek of the Colorado of the West. Flowering in July. 



(Nuttall.) 



G. *spiCATA. Perennial ; leaves linear, fleshy ; flowers in clusters, spiked ; stem and calyx lanuginous, 

 segments of the calyx linear acute and viscid ; tube of the corolla exserted ; stamens at the summit of 

 the tube. 



Hab. On the hills near Scott's Bluffs of the Platte. Flowers white, segments 

 oblong. (Nuttall.) 



G. *TRiFiDA. Biennial ; radical leaves linear ; cauline trifid towards the extremity, fleshy and smooth ; 

 flowers clustered in spikes ; stem and calyx pubescent, segments of the calyx linear and very acute ; 

 tube of the corolla exserted; stamens at the summit of the tube. 



Hab. With the above, which it greatly resembles, except in the leaves ; cells of 

 the capsule each with three or four ovules. About a span high. (Nuttall.) 



G. *PUMILA. Perennial"? branching from the base ; flowers in terminal clusters, subtended by long leaves, 

 woolly at their base; leaves flesh}'', trifid at the extremities; segments narrow, linear, spinulose at 

 points ; corolla small, the tube exserted ; stamens extending a little beyond the orifice of the tube. 



Three or four inches high, with a few slender branches, the leaves nearly all at 

 the summits of the branches beneath the flowers, an inch to one and a half inches 

 long. 



Hab. Near the first range of the Rocky Mountains of the Platte. Flowering in 

 May. (Nuttall.) 



G. [Collomioides] *filifolia. ©• Erect and rigid ; stems smooth below, nearly simple; leaves mostly trifid ; 

 the segments setaceous and rigid ; capituli corymbose and whitely woolly ; tube of the corolla about 

 the length of the calyx; segments of the border lanceolate; stamens shorter than the corolla. 



Six to eight inches high, slender and rigid. Flowers small and blue, clusters or 

 heads of flowers both axillar and terminal. 



Hab. Near Santa Barbara, Upper California. 



LEPTOSIPHON. 



L. *BicoLoii. Branching from the base ; leaves three, five to seven-cleft, the lowest much shorter ; lower 

 segments oblong-linear, cuneate, the upper subulate, all more or less roughly ciliate ; segments of the 

 calyx subulate-lanceolate ; tube of the corolla three times the length of the funnel-formed border, its 

 segments oval and rounded ; stamens about half the length of the border. 



A very elegant species, bearing apparently very few flowers at a time. About 

 four inches high, branching considerably from the base, somewhat scabrous, with a 



