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. 
Cucullaria. 
II. HEX ANDRIA. 
55S. CORYDALIS. Vent, choix de pi. 19 . 
Fumaria. Gen. pi. 1154. 
* Corollis bicalc aratis. Perizomanthi. 
1 . C. scapo nudo, racemo simplici secundo, nectariis diva- 
ricatis longitudine corollae, stylo incluso, radice bulbosa. 
— Pers. syn. 2 . p. 2 69 . 
Fumaria Cucullaria. Willd. sp. pl. 3. p. 85/* 
Icon. Bot. mag. 112 ?. Bob. ic. 222 . Pluk. aim. t. QQ. 
f 3. 
On the side of shady hills, in rich vegetable mould, 
among rocks : Canada to Virginia. . May. v. v. 
Flowers white, with a 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 Perixomanthus. 
formosa . 
2 . C. scapo nudo, racemo subcomposito nutante multifloro, 
nectariis brevissimis incurvis, stylo porrecto, laciniis 
foliorum oblongis inciso-pinnatifidis, radice tuberosa. 
Icon. Bot. rep. 393 . Bot. mag. 1335. sub Fumaria. 
In Canada, and on the highest peaks of the Virginia and 
Carolina mountains, in the cliffs of shady rocks. % . 
May — July, v . v. Flowers a lively bright red. This 
elegant perennial deserves a place in every collection. 
The Canada plant is somewhat different in aspect from 
the Virginian, but not sufficiently distinct to make it a 
species. 
tenuifolia. 
3. C. scapo nudo, racemo simplici nutante paucifloro, nec- 
tariis brevissimis incurvis, stylo longe exefto, foliis te- 
nuissime laciniatis, radice tuberosa. 
On the north-west coast. % . June. v. s. in Herb. 
