314 GYNANDRIA.— MONANDRIA. 



505. POLYMNIA. Composite. 



1. P. canadensis : viscid and villous; leaves denticu- 



late, acuminate ; lower ones pinnatifid ; upper 3- 

 lobed or entire. 

 HAB. Shady rocks. July. U. Stem 2-3 ft*, high ; 

 leav. thin; fi. in term, clusters, yell. 



2. P. Uvedalia : leaves opposite, 3-lobed, acute, at- 



tenuate into a petiole, decurrent, the lobes angu- 

 lar-sinuate ; rays elongate. 

 HAB. Fields, &c. July. U . Stem 3— 5 ft. high ; 

 leav. scab, beneath ; fl. larger. 



506. IV A. Bastard Jesuit's bark. Composites . 

 1. frutescens : fruticose ; leaves opposite, ovate-lanceo- 

 late, deeply serrate, subscabrous ; flowers de- 

 pressed-globose. 



HAB. Salt-marshes. Aug. — Sept. ^. Stem much 

 branch., 3 — 4ft. high; leav. thick. 



SEGREGATA. 



507. ELEPHANTOPUS. Elephant's-foot. Composite. 



1. E. carolinianus : leaves of the root and stem ob- 

 long, tapering at the base, hairy ; stem branched, 

 leafy, hairy. 

 HAB. Dry soils. Sept. U . Stem 2 ft. high ; fl, 

 in term, dust., pur p. 



GYNANDRIA 



MONANDRIA. 



* Anther adnate, subterminal and persistent. Pollinia 

 affixed by the base, composed of angular grains, elas- 

 tically cohering. 



508. ORCHIS. Cor. ringent; upper lip vaulted. Lip 



dilated, with a spur beneath. Pollinia 2, ter- 

 minal, adnate. 

 f>09. HABENARIA. Cor. ringent. Lip spurred at 

 the base beneath. Glands of the stalks of the 



