Bulletin University of New Mexico—No. 49 
the apex, corolla red, - - (1) P. BARBATUS. 
Dehiscent to the apex but not confluent (2) P. GLABER. 
Dehiscent confluently thru the apex. 
Pubescent thruout or above viscid... 
(3) P.CRISTATUS. 
Leaves from ovate to laceeolate 
Lower lip conspicuously bearded within 
- - - - (4) P. CONFERTUS. 
Lower BP sparsely villous-bearded within 
=) tae - - (5) Pp. GLAUCTS. 
Leaves ells lanceolate or narrower, mesa 
species - - C. P. AMBIGUUS. 
1. P. Barzatus, Nutt. Eariod P.) Tall 2-feet, 
leaves lanceolate, lowest oblong or ovate corolla strong- 
ly 2-lipped, 1 in. long from) light pink to carmine; 
base of the lower lop or throat usually with long yellow 
hairs, sterile filament usually glabrous, var Torreyz, 
Gray-(Red P.) Deep scarlet-red with few or no hairs 
in the throat. Bear Canon in the Quercus gambelii. 
Poplar Assn. 
2. P. Graser, Pursh, glaucous or glaucescent or 
very glabrous, 1 to 2 feet high, leaves oblong-lanceolate, 
thyrsus elongated and many-flowered, corolla 1 to 1-4 
and 1-2 in. long, blue or violet. Bear Canon. 
Var cyanantuus, Gray. Usually taller; leaves all 
broad; the cauline ovate or subcordate and ovate-lan- 
ceolate; thyrsus dense. Sandia Mts., descending to the 
Quercus gambelii Soe. 
3. Pp. crisTaTus, Nutt. Pibescent, or above viscid- 
villous, leaves from linear-lanceolate to narrowly ob- 
long; corolla more funnelform, being less abruptly di- 
lated, lower lip long villous wnthin, sterile filament 
exserted, densely yellow bearded. Higher up on the 
Sandia Mts. than the preceding especially in Quercus 
undulata Jamesii Soe. 
4, P. CANFERTUS, Dougl var CAERULEO-PURPUREUS, 
Gray. Glabrous thruout or the infloresence and calyx 
viscid-pubescent or puberulent, from 2 inches to 2 feet 
tall! leaves from oblong to linear, usually entire, thyr- 
sus spiciform, interrupted, naked, of 2-5 dense verti- 
cillate flower clusters corolla narrow, 1-3 to 1-2 in. 
long, blue-purple ad white; lower lip conspicuously 
bearded within. Sadia Mts., with No. 1. 
5. Pp. glaucus, Graham (%) Glabrous up to the in- 
florescence, more or less glaucous; stems dwarf or as- 
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