S PITTONIA. 
The present group I take pleasure in dedicating to a most - 
laborious and deserving botanist, the Reverend Father A. B. 1 
Langlois of St. Martinsville, Louisiana. A 
LANGLOISIA. 
Rigid diffusely branched and low annuals. Leaves pi 
nately divided, but only the terminal segment of herbaceo 
and leaf-like development, this mostly cuneiform, or lin 
with dilated and 3-toothed tip; pinne in several pairs bui 
mostly reduced to a long white bristle or tuft of bristles. 
Flowers few or solitary in the axils of the leaves, not bracted. 
Calyx-lobes equal, spinescent-tipped ; the tube with scarious 
spaces between the angles and eventually splitting to the 
base, as into 5 distinct sepals, the disrupted members ther 
almost rotate-spreading. Corolla usually bilabiate and 
stamens declined-incurved. Capsule strongly and even 
almost sharply triquetrous, many-seeded. Seeds mucilagt 
nous when wetted. 
i 
(D 
* Corollas bilabiate; stamens declined. 
1. L. MarrHewst. Leselia Matthewsii, Gray, Bot. Cal 
ii., 466. Navarretia Matthewsii, Coville, Death Val. Exp. 
153.—Southeastern California, in the Mohave Desert and fo 
some distance northeastward. : 
* * Corolla regular; stamens not declined. 
3. L. SETOSISSIMA. Navarretia setosissima, Torr. and Gra 
Bot. Ives Rep., 22. Gilia setosissima, Gray, Proc. Am. Acad. 
271, partly ; Syn. Fl. Suppl., i l 
confusing of this and the two other s 
rected.—Southern Utah and Nevada, 
of Arizona and E. California. 
