1 1 8 PENT ANDRI A.— MONOGYNIA. 



HAB. Mountains. June— Sept. U. Leaves large, 

 thin ; scape very short ; fl. concealed. A var. oi" 



No. 12? 



* * Caulescent. 



14. V. canadensis : nearly smooth ; leaves cordate : 



acuminate, serrate ; peduncles shorter than the 

 leaves ; petals oblong, narrow ; stipules ovate- 

 lanceolate, entire. 

 HAB. Moist rocky woods. May — July, U . Stem 

 6 — 18 in. high> erect, simp. ; fl. large, blue. 



15. V. ochrolevca : stem somewhat erect, branched, 



smooth ; leaves round-cordate ; upper ones a lit- 

 tle acuminate ; stipules oblong-lanceolate, dentate- 

 ciliate ; stigma tubular, recurved, pubescent at 

 the summit. 

 HAB. Wet grounds. May. U. Stem 6—8 in. 

 long ; fl. yellowish -white, large ; pet. obtuse. 



16. V. Muhlenberghii : stem weak, assurgent ; leave? 



reniibrm -cordate ; the upper ones a little acumi- 

 nate, creoate-serrate, smooth ; stipules lanceolate, 

 serrate-ciliate ; nectary produced ; stigma tubu- 

 lar, rostrate. 

 HAB. Swamps. May. U . Stem 6—10 in. long, 

 branch, below ; bracts alternate ; fl. blue. 



17. V. rostrata : smooth; stem diffuse, erect; leaves 



cordate, the upper ones acute, serrate ; stipules 

 lanceolate, serrate-ciliate ; petals beardless ; nec- 

 tary longer than the corolla. 

 HAB. Wet rocky places. April— May. U . Stem 

 6 in. high ; pedunc. long ; fl. large, blue ; stig. 

 subclavate. 



18. V. pubescens : villous pubescent ; stem erect, naked 



below ; leaves broad-cordate, toothed ; stipules 



ovate, subdentate. 

 HAB. Dry stony woods. April — May. Stem simp.. 



6—8 in. high," br, ideate; leav. 2—3; fl. yellow. 

 /3. eriocarpa : capsule densely villous. 



19. V. hastata : smooth ; stem simple, leafy above ; 



leaves hastate, on very long petioles ; stipules 

 minute, ciliate-denticulate. 



