- ‘ ‘ . %21 
52 DIDYNAMIA. ANGIOSPERMIA. 
* 
+ Upper lip o ofthe corolla compressed; the lower “slitiea 
_ SPEciEs. P. levigatum. 2. pubescens. Leaves in 
both these species repandly rue and with the ori~ 
fice of the lower lip pubescent. 3. "gracile. Stem smooth 
and slender; leaves smooth, | eat cute, subsamplexi- 
caule, sh -serrulate: mple, few-flowered; 
sterile filame longitudin ; corolla internally = 
smooth, segments of the c: -oblong. Has. From 
the Arikarees to Fort Man, depressed soils. Flow- 
’ but P octeced dis- 
purple. 
eaves 
4 Corolla anulatey — 
nthe * existatom:. Fras: Catal. 1813. P., >H.. 2. 
. 737. Oss. Pubescent. Stem 6 to @fiches.. Radica 
aves lanceolate and denticulate; cauline ‘sessile, linéar- 
oblong, sublanceolate. Pedicells axillary and terminal, 
oh to 3-flowered, very short. Calix subhirsute, segments 
pear-lanceolate, acuminate. Corolla large and violace-  _ 
entricose; border 5-lobed, spreading, orifice of the — 
hp and the whole upper surface of the subexserted 
le filament very conspicuously and cristately beard- 
l. Has. On arid denudated argillaceous hills fromthe 
mAuence of Testor riverend the Missouri tothe Moun-— 
sCeENs, 
Fras. Catal. P.glabra, Ph. 2. p.738. 
Very smooth; leaves sessile, ovate-lanceo- 
_ aed partly undulated; peduncles many- 
of the Rf, 3 rounded-oyal, : 
€! ightly bearded under the re- 4 
soils near 
gin June. ets 2 
very numerous, as in the figu 
The Eiecien anthers distinguish . 
‘kn a species, but it never meant 
h os glaucous; radical leaves: 
lanc , all entire and ses- 
Descent; sterile filament short and 
ras. Catal. 2. p. 738, bu 
equally saree inte and the beauti 
et the flower so A aie Tcould Ot re 
