| SYNOPSIS OF THE FLORA OF COLORADO. _ 93 
interrupted; cymes suibgeintiies few-flowered; segments of the calyx lan- 
ceolate, pubescent; tube of the corolla widened above, # long, less ven- 
F cone tha an in P, cristata ; beard of the sterile filament pesenaiars some- 
‘ what interrupted. —‘ Plains; flowers white,” Hall & Harbour, 389. 
PENTSTEMON CRISTATUS, itt. Gr. Rev. l.c., p. 67. Vis sold. fF 
lower leaves oblanceolate, petiole , Upper ones oblong -lanceolate, sessile, 
' clasping, entire or denticulate ; panic cle strict, v vith short, appressed, 
li 
itire 
3-4-flowered ageienncetel& —— ine neeolat e, sanniedha.oosle hirsute; 
corolla 1’ long, violet, broadly Sutidel, ant above the calyx, somewhat 
bilabiate, the lower lips ae sterile filament strongly bearded with long 
; hairs; anthers glabrous, expanding.—Canon City, Brandegee. Pueblo, 
reene. The spevimens differ from ve ad pical torm in having much 
narrower, sometimes almost linear leave 
i PenTsrEy EMON PUBESCENS, Soland., var. GRACILIS, Gr. (P. gracilis, 
Nutt.) Gray’s Bee. tei p. 69. Nearly gla mere canline leaves and 
4 thyrsus narrowed ; corolla usually more slender, not bearded.—Caiion 
i City, sec Golorado Springs and South Park, Porter. Monument 
4 Pe ark, a 
? PEN’ MON HUMILIS, Nutt. Gr. Rev., l. ¢., p. 69. Glabrous below 
and somes Ge glaucous, ene viscid: webct eh above, 3/-10' high ; 
lo 
u 
escent somewhat serrulate; peduneles rather short, win 
--8-flowered ; sepals 0 a lanceoate, with usually a slender her baceous 
mautpved meh Pci hfe rollas 4-8” long, deep blue saaatine upwards, 
Somewhat bilabiate, ies a open and without folds; anther s glabrous, 
panding; sterile filament yellow-bearded.—‘ Low + m0 Rinne) an ear 
Species,” Hall & Harbour, 387. Plains of the Platte, Dr. Smith. Clear 
Creek moran Coulter. Caton Sity, Brandegee. 
PENTSTEMON GLAUCUS, Grah. Gr. Rev.,l.¢., p. 70. Glabrous except > 
the vinoll: pubescent intlor rescence, 4o_140 high; leaves subglaucous, 
lenticulate or entire ; radical ones subovate, petioled, the upper oblong- 
lanceolate, dilated and cae at the base; thyrse subcompact ; sepals 
Ovate- lanceolate; corolla 1’ long, widely and abruptly ventrieose above 
the base, the throat open and without folds, the lower lip slightly 
longer and sparingly villous with ‘oie ey violet or hiae color ; aniners ue 
glabrous and expanding; sterile filament yellow-bearded. th?» Den 
Var. STENO coset bi r. Sepals lanceolate ite a long slender r acu- 
mination; thyrse short—Hall & Harbour, 399. Sangre de Cristo Pass, 
Brandegee. Srount pcan. at 14,000 feet altitude, Coulter, 
lame HALL AT, Gre Gr. fev., Lite; 1 Ws Heer a8 numerous from 
TF ot Sf Oe etl 
r hour, : t Mo, untain Valley , Bra pe. Horse Shoe oe 
Mounts, oe 11,000 feet altitude, Coulter. Beate Peak, Redfield. 
PENTSTEMON "HARBOURM, Gr. Gr. Rev.,l.¢.,p.71. Stems many from 
“talauder, psec root-stock, low, 2/-4’ long, pruin uinose-puberulent even 
