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( 2945 ) 
PENTSTEMON GRACILIS. SLENDER 
PENTSTEMON. | 
3 KEE ERE EEE ERE EK KEKKEEE 
Class and Order. 
Dipynamia ANGIOSPERMIA. 
( Nat. Ord.—Scropnuarinz. ) 
Generic Character. 
Cal. 5-partitus. Cor. bilabiata, ventricosa. Rudimentum 
filamenti quinti superne barbatum. Caps. bilocularis. . 
Specific Charatsie and Synonyms. ‘ 
Pentstemon gracilis; caule herbaceo subglabro, foliis gla- 
bris glaucis radicalibus lanceolatis in petiolum atten- 
uatis integerrimis, caulinis lineari-lanceolatis acumi-. 
natis parce serrulatis, pedunculis elongatis decussatis. 
multifloris pedicellisque compositis calyce corollaque 
puberulis, filamento sterili barbato. Graham. 
Pentstemon gracilis. Nuttall N. Am. Gen. ». 2. p. 522. 
Penrstemon glaucus. Graham in Ed. N. Phil. Journ. 
July, 1829, p. 348, ? 
‘ees’. 
Descr. Stem erect, glabrous below, slightly pubescent 
"towards the top. Leaves all glabrous, glaucous: root- 
leaves lanceolate, attenuated at the base into petioles shorter 
than themselves, quite entire ; stem-leaves ovato- or linear- 
lanceolate, acuminate, dilated at the base, and amplexicaul, 
distantly serrulate, smaller upwards and passing into ovato- 
acuminate, entire bracteas at the base of the peduncles. 
Inflorescence, as is common in this genus, axillary, pedun- 
cles collected in the form of a panicle at the extremity of 
the stems, peduncles elongated, as well as the compound, 
filiform pedicels, calyx, and corolla glanduloso- uberulent. 
racteas ovate, acuminate, gradually becoming gon 
