428 DIDYNAMIA ANGIOSPERMIA, Pentstefrion. 
In stony low grounds: Pensylvania fo Carolina. Y. 
July—Sept. v.v. From one to two feet high ; flow- 
ers pale purple. 
pulescens. 2. P. caule pubescen®, foliis serrulatis lanceolato-oblongis 
sessilibus, floribus paniculatis, filamento sterili ab apice 
infra medietatem barbato.— Willd. sp. pl. 3. p. 227. 
Chelone Pentstemon, Mant. 415. 
Jatifolia. a. P. foliis lavigatis sertatis latioribus. 
Icon. Moris. hist. 3. s. 11. t. 21. f. 2. 
angustifolia. —. P. foliis pubescentibus obscure denticulatis angustis. 
P. birsuta. Willd. sp. pl. 3. p. 227. 
Chelone hirsuta. Mill. dict. n. 3. ` 
Icon. Moris. hist. 3. s. 11. t.24. f. 3. 
On the side of hills and in dry meadows: New York to 
Virginia. 27. Jüly—Sept. v.v. Abouta foot high; 
flowers pale purple, longer than the foregoing species. 
Srutescens. 3. P, caule fruticoso, ramis angulatis superne pubescenti- 
‘bus, foliis lanceolatis obsolete denticulatis sessilibus 
glabriusculis, racemis terthinalibus subcorymbosis, fila- 
mento sterili longitudinaliter barbato.— Lamtert in 
linn. trans. 10. p. 250. 
Icon. Linn. trans. 10. t. 6. 
, On the north-west coast. M. Lewis. Unaláshka. Pal- 
las. h. v.s. in Herb. Lamlert. nec non Lewis, 
small shrub, about a foot or more high; flowers 
purple. t 
512. MARTYNIA, Gen. pl. 1010. 
Proloscidea, 1. M. caule ramoso, foliis alternis cordatis integerrimis vil- 
losis.— Willd. sp. pl. 3. p. 264. 
M. alternifolia. Lam. encycl. 2. p. 112. 
M. annua. Sp. pl. 862. 
Icon. Bot. mag. 1056. Mill. ic. 286. 
On the banks of the Mississippi. ©. July. v.v. Flow- 
ers large, white, speckled with purple and yellow. 
The singular shape of its fruit, corinected with the 
beauty of its flowers, makes this annual a desirable 
plant in all collections, 
513. SCHWALBEA. Gen. pl. 1001. 
americana, 1. S. simplex, pubescens ; foliis lanceolatis, racemo termi- 
nali, floribus alternis.— Willd. sp. pl. 3. p. I 
Icon. Lam. illustr. 5320. Pluk: mant. t. 348. 
In pirie-barrens: New Jersey to Catolina. En dj. 
June, July. v.v. Flowers yellowish-brown. - 
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