184-8.] 11 



form, with a short tube, the segments oval and entire. Anthers ovate. Stamens 

 exserted beyond the throat of the corolla. Ovules in the capsule about 20. 



G. *aurea. Corolla smooth, about twice the length of the calyx; segments 

 of the leaves short and hispid, 3 to 6. 



Hab. Santa Barbara. Flowering in April. 



^. Perennials or biennials, with the leaves often sparingly pinnatifid towards 

 the extremity, or entire and linear, fleshy. Flowers in condensed clusters, capi- 

 tate or in spikes, generally white. Corolla tubular, with a deeply 5-cleft, 

 spreading border. Stamens shortly exserted or even with the summit of the 

 tube. Stigmas very short. Ovaries 2 to 4 in a cell, rarely 1. — *Elafhocera. 



G. congesta. (Hooker.) Common in the Rocky Mountain region. 



G. ^crebrifo/ia. Perennial and branching from the base ; leaves entire, linear, 

 acute and fleshy, smooth, crowded so as to conceal. the stem ; flowers in capi- 

 tate clusters; stamens exserted to the length of the corolla segments. 



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

 (Nuttali.) 



G. *spici:ifa. 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. (Nuttali.) 



G. *trijida. Biennial; radical leaves linear; cauline trifid towards the ex- 

 tremity, fleshy and smooth ; flowers clustered in spikes; stem and calyx pubes- 

 cent, 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, (Nuttali.) 



G. *pumila. Perennial? branching from the base ; flowers in terminal clus- 

 ters, subtended by long leaves, wooly at their base ; leaves fleshy, 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. 



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

 in May. (Nuttali.) 



G. (CoLLOMioiDEs) ^Jillfolia. Q. Erect and rigid ; stenis 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. 



Hab. Near Santa Barbara, Upper California. 



LEPTOSIPHON. 



L. *hlcolor. Branching from the base ; leaves 3, 5 to 7-cIeft, 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 seg- 

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



Hab. On moist rocks, on the Oregon near the outlet of the Wahlamei; the 

 only place where we saw it, (Nuttali.) 



