GYNANDRIA.— HEXANDRIA. 323 



2. C. parviflorum : stem leafy ; lobe of the style tri- 



angular, acute ; exterior petals ovate-oblong, acu- 

 minate, interior linear and contorted ; lip shorter 

 than the petals, compressed. 

 HAB. Woods. May — June. U. Pet. gr.-brown ; 

 lip yell., spotted. 



3. C. pubescens : stem leafy ; lobe of the style trian- 



gular-oblong, obtuse ; exterior petals ovate-ob- 

 long, acuminate ; interior very long, linear, con- 

 torted ; lip shorter than the petals, compressed. 

 HAB. Meadows and woods. May — June. U. 

 Stem 1 — 3 ft. ; fl. gr.-yell, spotted ; leav. pubes. 



4. C. spectabile : stem leafy ; lobe of the style ellip- 



tical-cordate, obtuse ; exterior petals broad-oval, 

 obtuse ; lip longer than the petals, cleft before. 

 HAB. Swamps. June. U . Stem 2—3 ft. high ; 

 2 — 3fl. t thick; lip wh. and purp. 



5. C. arietinttm : stem leafy ; lobe of the style orbi- 



cular ; petals 5, the 2 lower ones linear-lanceo- 

 late, deflexed ; the 2 lateral linear, spreading ; 

 upper one oblong-ovate, acute ; lip as long as the 

 petals, inversely conical. 



HAB. Wet woods. May. U. Stem 6—8 in. 

 high ; fl. small; pet. gr.-brown; lip. retic. 

 G. C. acanle : scape leafless, 1 -flowered ; radical 

 leaves 2, oblong, obtuse ; lobe of the style round- 

 ish-rhomboidal, acuminate, deflexed ; petals lan- 

 ceolate ; lip shorter than the petals, cleft before. 



(IAB. Woods. May— June. U. Scape 1 ft. high : 

 fl. very large ; lip purp. 



HEXANDRIA. 



522. AUISTOLOCHIA. Birthwort. 



1. A. Sipho : leaves cordate, acute ; stem twining , 



peduncles 1 -flowered, furnished with an ovate 

 bract ; corolla ascending, the border 3-cleft and 

 equal. 

 HAB. Mountains. June. T 2 . Stem long; leav. 

 very large; cor. long, dark purp. 



2. A. Scrpentaria ; leaves cordate, oblong, acuminate: 



stem flexuous ; peduncles radical ; lip of the c© 

 rolla lanceolate. 



