42 [835] Plants of the Rocky Mountains—Supplement III. 
b. Foliis bast lata truncata sessilibus. 
Var, 7. BREVIFOLIA: tota glaberrima, erecta, ramosissima ; foliis late 
ovatis abbreviatis grosse dentatis. Sandhills south of El Pas o, Dr. Wis- 
lizenus, No. 99. Leaves dark green, while all the ae fortai are pale or 
grayish, 4-6 lines lng, nee or often he Xi: at the end. 
¥ erect @ osa, decent oiiiils ; fo- 
liis lanceolatis seu ianseablhte- Oblong sinatles tatis. Las Vegas, New 
Mexico, Dr. Wislizenus, No. 473.—This is no doubt Nuttall’s @. tricho- 
calyx, Torr. & Gr. Fl. 1. ¢., the specific identity of which with @. albi- 
and especially the calyx, consists of a single cell, remarkably broad at 
base, tapering to an acute 55 ;—it is however the form of hair I find 
in all long-haired @nother G. E, 
Suprrement III.—Revision of the genus Castilleia; by A. Gray. 
CASTILLEIA, Linn. f. 
The species of this genus are most troublesome and unsatisfactory, not 
only on account of the difficulty of investigating the dried specimens, but 
also from the variability of the characters which have been relied npon 
remark applies in a measure to the relative length of the galea and of 
the lower lip. The structure of the lower lip is likely to afford some g 
characters; but they are not readily nor very safely to be derived from 
dried specime Bentham’s four sections (in De Candolle’s Prodromus) 
do not prove to be as distinct as they would seem. The second and the 
third were oar econ into one, which will include all our North 
‘ 1. iia or EUCASTILLEIA. Calyx ope incurvus) 
antice profunde fissus, postice leviter bifidus sepius 4-denta 
- LINARLZFOLIA, Benth. +» is one of the best feo lal and the 
most northern ies. It is known by its long, narrow and glabrous 
cauline leaves which are not dilated at the base, the floral ones scarlet- 
colored, by the subulate teeth of the calyx, and by the | ong and narrow 
galea, which i is more slender and falcate than in C, tenuiflora ; the lobes 
of the lower lip linear-subulate. But the flowers are not always sessile, 
nor the leaves only one-nerved and entire; these are often 3-cleft or 3- 
parted, and more or less distin uctly 3-nerved at the ‘eee To this species 
arly b . Philad., and C. candens, Dura 
in Pacif. R. R. Rep. 5, p. 12. , (But aS iD of the Californian (Fort Te- 
jon) collection of sgh ale specimens collected by Dr. Newberry in the 
° ection, which I had Steer for C. candens, belong to C. 
affinis), 583 of Fendler’s New Mexican collection, and 246 
of Dr. Parry's Rosky Mountain collection. 
ig 
