1122 
PENTSTEMON angustifolium. 
Narrow-leaved Pentstemon. 
DIDYNAMTA ANGIOSPERMIA. 
Nat. ord. SCROPHULARINEE. 
PENTSTEMON. Supra; vol. 13. fol. 1121. 
P. angustifolium; caule herbaceo, foliis glaberrimis ovato-lanceolatis argute 
serrulatis acuminatis, staminibus exsertis, filamentis superioribus basi 
petaloideis, . corollis  sub-barbatis extús puberulis, stamine sterili apice 
barbato. y : 
Chelone angustifolia. Humb. Bonpl. et Kunth. nova genera et species 
- plantarum, 2. p. 365. tab. 173. synopsis; 2. 123. Spreng. syst. 2. 813. ; 
Chelone rosea. Hort. . A gy’ i i 
Caulis erectus, subramosus, bipedalis, v. ultrà; glaberrimus, nisi versüs 
fastigium, ubi minutissimè glandulosus. Folia ovato-lanceolata, amplexicaulia, 
acuminata, argutê serrulata, serraturis incurvis, glaberrima, superiora sensim 
latiora, et minds serrata, demüm integra. Panicula stricta, terminalis, mul- 
tiflora. Pedicelli filiformes, glandulosi. Calycis lacinie lineari-lanceolate, 
purpureæ, sub lente glandulose. Corolla tubulosa, subventricosa, leté rosea, 
bilabiata, extús glandulosa, laciniis superioribus obliquis, inferioribus bre- 
vibus, ovatis, leviter barbatis. Filamenta superiora basi maxime dila- 
tata. Anthere exserte, glaberrime, lobis divaricatis. Rudimentum stami- 
nibus brevius, apice barbatum. 
A native of Mexico, where it was found by Messrs. 
Humboldt- and. Bonpland growing between Moran and 
Omitlan, at an elevation of 7920 feet above the level of the 
sea, upon rocks overshadowed by trees. 
A very handsome plant, and we believe a hardy peren- 
nial. It flowered in the summer of 1827, for the first time, 
in Mr. Tate’s Nursery, where our drawing was made. 
This is very nearly the same as the Chelone elegans of 
M. Kunth, a native both of Cuba and of very high land in 
New Spain, which appears to us to differ in little except 
its suffrutescent habit. The breadth of the foliage of the 
