462 DIADELPHIA PENTANDRIA. Petalostemum. 
Aug. v.v. Flowers white. This singular plant ap- 
pears, at first sight, to belong to the class Syngenesia, 
and certainly is the connecting link between that class 
and the present. 
Lj 
* 
ll. HEXANDRIA.. 
^ 558. CORYDALIS. Vent. choix de pl. 19. 
Fumaria. Gen. pl, 1154. 
* Corollis bicalcaratis. Perizomanthi. 
Cucullaria, — 1. C. scapo nudo, racemo simplici secundo, nectariis diva- 
|. ricatis longitudine corollae; stylo incluso, radice bulbosa. - 
— Pers. syn. 2. p. 269. F1 
. Fumaria Cucullaria. Willd. sp. pl. 3. p. 857. i 
, Icon. Bot. mag. 1127. Rob. ic. 222. Pluk. alm. &. go. 
pa x i | 
On the side of shady hills, in rich vegetable mould, | 
among rocks: Canada to Virginia. 27. May. v.v. 
Flowers white, witha yellow mouth. This singularly 
constructed flower is known among the inhabitants by 
the name of Breeches-flower or Yellow-breeches; and — 
as I consider that all those species with two spurs or 
nectaries might form, with propriety, a good genus, 
I have given it the name of Perizomanthus. 
formosa. 2. C. scapo nudo, racemo subcomposito nutante multifloro, 
; nectariis brevissimis incurvis, stylo porrecto, laciniis 
foliorum oblongis inciso-pinnatifidis, radice tuberosa. 
Icon. Bot. rep. 303. Bot. mag. 1335. sub Fumaria. —— 
In Canada, and on the bighest peaks of the Virginia and 
Carolina mountains, in the cliffs of shady rocks. X. 
May—July. v.v. Flowers a lively bright red. This 
elegant perennial deserves a. place in every collection. 
The Canada plant is somewhat different iu aspect from 
the Virginian, but not sufficiently distinct to make ita 
species, s 
tenuifolia, 3, C. scapo nudo, racemo simplici nutante paucifloro, nec- 
tariis brevissimis incurvis, stylo longe exerto, foliis te- 
nuissime Jaciniatis, radice tuberosa. 
On the north-west coast. Y. June. v.s. im Herb, 
+ 
