1285 
PENTSTEMON* acuminátum. 
Pointed-leaved Pentstemon. 
— 9 —— — 
p 
DIDYNAMIA ANGIOSPERMIA. 
Nat. ord. SCROPHULARINEE. 
PENTSTEMON. — Supra, vol. 13. fol. 1121. 
P. acuminatum ; caule ascendente foliisque glabris valdé glaucis, horum 
radicalibus ovato-oblongis longè petiolatis integerrimis subcoriaceis, 
caulinis bracteisque cordatis acuminatis -sessilibus amplexicaulibus, 
fasciculis florum subsessilibus, sepalis acuminatis glaberrimis, corollis 
tubo infundibulari : fauce inflatä, limbi laciniis latis retusis. 
P. acuminatum. Douglas in herb. Hort. Soc. 
Caulis ascendens, pedalis»sesquipedalisve, imo bipedalis, glaberrimus, 
valdé glaucus, ut et folia et omnes alie partes. Folia radicalia erecta, 
in basin caulis ascendentia, demùm in caulina mutata. Bractee venose, 
coriacee : inferiores floribus longiores. Flores im fasciculis subsessilibus, 
intrà bracteas axillaribus, dispositi, purpurei, ad märginem amomè cyanei. 
Calyces coriacei, sepalis valde acuminatis, ampliantibus. Corolla calyce 
triplo longior, glaberrima, tubo infundibulari paululàm arcuato, limbo 
valdè obliquo : laciniis latis, rotundatis, v, retusis. Filamentum sterile tubo 
brevius, apice leviter pilosum, aduncum. 
P 
We have her&,she gratification of making known a rival 
of the beautiful P. speciosum, published some time ago; 
inferior to it in stature, but exceeding it in beauty of colour- 
ing and neatness of appearance. It is a native of the barren 
sandy plains of the Columbia; growing there, as it appears 
from Mr. Douglas's specimens, with the lower part of its 
stems and its radical leaves immersed in sharp coarse white 
sand. It flowers from June to August. Our drawing was 
made in the Garden.of the Horticultural Society, to which 
it had been introduced în 1827. 
This is by far the most difficult to cultivate of all its 
1 
i 
* See fol. 1245. 
