CHELONEZ. 
brous; peduncles 1-2-flowered, longer than the bracteas, the 
whole forming a secund raceme; calyx downy, with lanceolate 
segments ; corolla ventricose, rather pilose, glandless; palate 
villous ; sterile filament bearded; stamens length of tube of 
corolla. %. F. Native of Mexico, between Toluca and Tian- 
quillo, at the altitude of 1500 hexapods ; and of Cuba, near the 
Havana. P. élegans, G. Don, in Loud. hort. brit. p. 248. 
Chelone élegans, H. B. et Kunth, nov. gen. 2. p. 364. Superior 
leaves half stem-clasping. Corollas lilae, downy ; palate spotted. 
This species differs from P. campanulàtum, in the corolla being 
paler, and destitute of glands. 
Pretty Pentstemon. Fl. June, Sept. 
foot. 
28 P. nósruM (G. Don, in Loud. hort. brit. p. 243.) herba- 
ceous ; leaves sessile, glabrous, ovate-lanceolate, sharply serru- 
lated, acuminated ; superior leaves broader; peduncles gene- 
rally 3-flowered ; superior filaments flat at the base; corollas 
rather hairy ; lower lip of corolla bearded; sterile filament 
bearded at top. %. F. Native of Mexico. P. angustifó- 
lium, Lindl. bot. reg. 1122. but not of Kunth.  Chelóne rósea, 
Cerv, mss. Sweet, fl. gard. 230. Inflorescence rather glandu- 
lar. Panicle thick, many-flowered. Corolla tubular, some- 
what ventricose, of a bright rose-colour, glandular, like the top 
of the plant. 
Rosy-flowered Pentstemon. 
13 foot. 
29 P. Kv'wrnui (G. Don, in Loud. hort. brit. p. 243.) stem 
and leaves quite glabrous; leaves linear, sharply serrulated, 
spreadingly recurved ; peduncles 1-2-flowered, hairy, disposed 
in a simple hairy panicle; calycine segments linear-lanceolate, 
hairy ; corolla downy ; lower lip densely bearded at the base; 
sterile filament bearded at apex. 2%. F. Native of Mexico, 
near Moran and Omitla, at the altitude of 1320 hexapods. Che- 
lone angustifolia, H. B. et Kunth, nov. gen. amer. 2. p. 365. 
Leaves sessile, somewhat stem-clasping. Corolla purple. Sta- 
mens hardly exserted. 
Kunth's Pentstemon. 
feet. 
30 P. cauPANULA'TUM (Willd. spec. 3. p. 228.) stem and 
leaves glabrous, linear-lanceolate, sharply serrated; peduncles 
secund, disposed in a terminal panicle ; calycine segments lan- 
ceolate; corollas bearded ; sterile filament bearded at top. 4. 
H. Native of Mexico, near Santa Rosa de La Sierra, and Los 
Joares, at the altitude of 1300 hexapods. Jacq. schoenbr. 3. t. 
362. Sims, bot. mag. 1878. Chelone campanulata, Cav. icon. 
1. p. 18. t. 29. Chelóne campanuloides, Andr. bot. rep. t. 40. 
Stem downy at top. Leaves glabrous. Calyx downy. Throat 
of corolla bearded. Corollas pale purple. 
Campanulate-flowered Pentstemon. Fl. March, Oct. 
1794. Pl. 13 to 2 feet. 
31 P. ArRoPunPU'REUM (G. Don, in Loud. hort. brit. p. 243.) 
shrubby; stem rather flexuous, shining, beset with glandular 
pili at top; leaves sessile, sharply serrulated, glabrous: lower 
ones lanceolate, attenuated at both ends: superior ones ovate, 
acuminated, stem-clasping ; peduncles axillary, usually 3-flow- 
ered; calyxes and corollas clothed with glandular pubescence ; 
corolla bearded ; sterile filaments bearded at top. 2/. H. Na- 
tive of Mexico. Chelóne atropurpürea, Sweet. fl. gard. t. 235. 
Flowers dark purple, the whole forming a panicle. 
Dark-purple-flowered Pentstemon. Fl. July, Sept. 
1825. Pl. 2 to 3 feet. 
$9 P. crNTIANOPDES ; stem downy at top; leaves lanceolate, 
quite entire, glabrous; panicle composed of 1-2-3-flowered pe- 
duncles ; calycine segments ovate; corollas beardless; sterile 
filament glabrous. %.H. Native of Mexico, on Mount To- 
luco, at the altitude of 1750 hexapods. Chelone gentianoides, 
CIRS 27E PIS 
Fl. June, Sept. Clt. 1825. Pl. 
Pl. 2 to 4 
Fl. July, Sept. Clt. 1825. 
Cit. 
Cit. 
I. PenrstemMon. 639 
H. B. et Kunth, nov. gen. amer. 2. p. 363. t. 172. Stem and 
branches downy. Leaves 4 inches long, and 6-8 lines broad. 
Corolla violaceous, downy outside; tube short; throat large ; 
limb bilabiate ; superior lip 2-lobed: lower one trifid, beardless. 
Anthers glabrous. Stamens inclosed. 
Gentian-like Pentstemon. Fl. July, Sept. 
to 4 feet. 
Ct:21825 55: PI 3 
Secr, II. EnriaNTHERA (from spov, erion, wool ; and av05pa, 
anthera, an anther ; the anthers are ciliated or downy, not gla- 
brous, as in the last section. 
33 P. HETEROPHY'LLUM (Lindl. bot. reg. 1899.) leaves glau- 
cescent, quite entire: lower ones linear-lanceolate: superior 
ones linear ; raceme twiggy ; sepals ovate, acuminated ; corolla 
ventricose, beardless; sterile stamen glabrous; anthers sagit- 
tate, fringed at top. 2t. H. Native of California, Douglas. 
Leaves hardly ever serrulated. Peduncles 1-2-flowered, bi- 
bracteate above the middle. Corolla bilabiate; sterile filament 
sub-emarginate, 
Variable-leaved Pentstemon. 
PI. 11 to 2 feet. 
34 P. er^ BnuM (Pursh, fl. amer. sept. 2. p. 738.) very 
smooth; leaves sessile, ovate-lanceolate, entire, having the mar- 
gins partly undulated ; peduncles many-flowered, secund ; seg- 
ments of calyx roundish-oval, acuminated ; corolla subeampanu- 
late; sterile filament slightly bearded under the retuse apex ; 
anthers pubescent. 2t. H. Native of North America, in arid 
soils near the confluence of the Shian river, and towards the 
sources of the Columbia river. Curt. bot. mag. 1672. P. 
Fl June, Sept. Clt. 1834. 
erianthéra, Nutt. gen. amer. 2. p. 52. but not of Pursh. Flow- 
ers numerous, purple. 
Glabrous Pentstemon. FI. July, Sept. Clt. 1811. Pl. 12 
foot. 
35 P. crAwpuLOsuM (Dougl. in bot. reg. 1262.) plant cloth- 
ed with glandular pubescence; radical leaves ovate, coarsely 
toothed: cauline ones stem-clasping, acute, almost quite entire ; 
peduncles many-flowered; calyx loose, with ovate segments ; 
corolla ventricose ; anthers ciliated; sterile filament glabrous. 
4. H. Native of North America, on the banks of the Koos- 
kooskee river, 6300 feet above the level of the sea. Radical 
leaves on long petioles : cauline ones cordate-ovate. Peduncles 
forming a racemose panicle. Corolla large, pale rose-coloured, 
striped with purple inside. Anthers white. Capsule glabrous, 
equal in length to the calyx. 
Glandular Pentstemon. 
to 21 feet. 
36 P. venvu’stum (Dougl. in bot. reg. 1309.) stem suffruti- 
cose, erect, glabrous; leaves sessile, ovate-lanceolate, acumi- 
nated, denticulated, glabrous; peduncles many-flowered, the 
whole forming a panicle; calyx glabrous; corolla ventricose, 
ciliated; anthers pilose; sterile filament bearded at top. h. 
H. Native of North-west America, in dry channels of rivers, 
among the mountains. Very nearly allied to P. diffüsum ; but 
differs in the stem being more erect; in the leaves being sessile, 
longer, straighter ; in the corolla being of a more obscure co- 
lour; in the calyx being glabrous; and in the anthers being 
pilose. 
Graceful Pentstemon. 
feet. 
37 P. Ricnarpsonn (Dougl. in bot. reg. 1121.) herbaceous ; 
leaves sessile, pinnatifid ; peduncles few-flowered ; calyx cloth- 
ed with glandular pubescence : with ovate-acute segments; co- 
rolla ventricose; anthers ciliated ; sterile filament bearded with 
a few hairs at apex. 2t. H. Native of North-west America, 
on dry rocks in the vicinity of the Columbia. Hook. bot. mag. 
Fl. June, July. Cit. 1827. Pl. 2 
Fl. June, Sept. Clt. 1827. Pl. 2 
