Planta Lindheimeriane. 151 
branching, a span to a foot high, clothed with a soft spread- 
ing pubescence. Leaves from 5 to 10 lines long, coriaceous, 
minutely pubescent but shining, with a prominent midrib, the 
veinlets conspicuously reticulated on both surfaces. Racemes 
gradually prolonged so as to bear from 10 to 20 flowers in the 
course of the season; the joints of the remarkably zig-zag 
rachis from one to three lines long. Pedicels shorter than the 
calyx, 3-bracteate. Upper sepal a little remote from the 
flower, like a bractlet, ovate-oblong, concave, with the rudi- 
ment of a gland in its axil. Stamens 8, subdiadelphous. 
The galea of the carina is beardless, and bears a conspicuous, 
straight spur on the back in place of a crest. ‘The ripe fruit 
is unknown. The large upper sepal is persistent at the base 
of the half-grown fruit, after the others have fallen. All the 
sepals are deciduous in what I take to be P. ovalifolia, DC., 
which was gathered on the Leona and Rio Grande by Mr. 
Wright, as well as by Dr. Edwards and Major Eaton at Mon- 
terey, &c. 
KRAMERIACEZ. 
(13.) Kramerta Lvanceotata, Torr. in Ann. Lyc. New 
York, 2. p. 168; Gr. Gen. Ill. 2, t. 185, 186. New Braun- 
fels, among rocks. April, June. “Roots often more than 
three feet long.” 
VIOLACEZ. 
(578.) lonrprum uineare, Torr. in Ann. Lyc. New York, 
2, p. 168; Torr. & Gr. Fl.1. p. 145; Gr. Gen. Ill. 1, t. 82. 
I. stipulaceum, Nutt. in Torr. & Gr. l. c.. Stems much 
branched from a ligneous perennial root, diffuse, or the 
branches often erect. Leaves opposite or occasionally alter- 
nate, entire or remotely serrulate; the lower varying from 
lanceolate to oblong or obovate; the upper linear, obtuse, 
usually three or four times the length of the stipules. Seeds 
turning black. —TI possess no perfectly authenticated speci- 
mens of I. stipulaceum, Nutt.; but I have good reason to 
