\ 
[Plate 71.] 
TEE GENTIAK-BLTJE PENTSTEMON. 
(PENTSTEMON GENTIANOIDES.) 
« 
A Hardy Herbaceous Plant, from Mexico, helonging to the Order o/Linariads. 
^jptctfitf C^aractor. 
THE GENTIAN-BLUE PENTSTEMON. Erect and 
tall. Leaves lanceolate, tlie uppermost widely stem- 
clasping, acuminate, and smooth. Panicle long, some- 
what intemipted, leafy at the base. Flower-stalks short 
more blossoms than one. Segments of the 
calyx broadly ovate, acute, scarcely membranous. Tube 
of the corolla widely bell-shaped. Sterile filamejit, smooth^ 
very blunt. 
bearing 
PENTSTEMON GENTIANOIDES; erectus, elatua, foUis 
lanceolatis superioribus late aniplexicaulibus acummatis 
glabris, panicul^ elongata sub-in terr up tA basi foliata, pe- 
dunculis plurifloris abbreviatis, calycis segmentis lato- 
ovatis acutis vix membranaceis, corolla tubo ample 
campanulato, filamento eterili glabro apice retuso.— 
Bentham. 
Pentstemon gentianoides : Beniliam in De Cand, Prodromus, x. 323; alUs Chelone gentianoides, Ilumholdt, Bonpland 
KuntJt, Nov. Gen. and #^., ii. 364^ t. 172. 
and 
M 
crimson 
so 
That 
be called 
P. Hartwegii, and is readily distinguislied by its long narrow flowers, growing in a loose naked panicle, 
not in a long leafy raceme, as in this instance. 
The fine species now represented is as liardy and easily managed as P. Ilartwegii itself. Its 
flowers are' short, inflated, very distinctly bell-shaped, and bright azure blue; but their effect is 
m 
B B 3 
. 
( 
11 
! 
