112 PENTANDRIA, MONOGYNIA. 



Mullein. 



As well known to every body as the Stramonium. Flowers 

 yellow. On road sides and stony ways, very common, and 

 seeming- to prefer calcareous soil. Introduced from Europe. 

 Biennial. All summer. 



I.ychnitis. 



2. V. ltaves oblong, wedge-shaped, naked above ; 

 stem angled, panicled. — Smith. 

 Icon. Fl. Dan. 586. 



A very striking- and elegant looking plant, when in full 

 bloom in favourable situations, having a pyramidal form from 

 the adpressed radical leaves to the summit of the stem, which 

 is sometimes six feet high. Flowers pale, or straw-yellow. 

 On the banks of the Wissahickon, and in grassy lanes in the 

 the vicinity of that creek, abundant. Elsewhere I have not 

 found it. Pursh says it grows on the banks of the Delaware, 

 near this city. Biennial. June, July. 



Blattaria. 

 v. alba. 



Q lutea. 



aiigularis. 



3. V. leaves amplexicaule, oblong, glabrous. 



leaves denticulate ; flowers pedunculated, white. 



White Moth-mullein. 



leaves doubly serrate ; flowers sessile, bright yellow. 

 V. Claytoni, Mich. \ 



Yellow Moth- mullein. 



From one foot to three feet high. A very beautiful plant. 

 Common in cultivated fields, and by sides of fences. Biennial. 

 June to August. 



107. SABBATIA. Adanson. Para. Lond. t. 32. (Gentian*.) 



Calix 5 to 12- parted. Corolla rotate, 5 to 12- 

 parted. Stigmas 2, spiral. Anthers at 

 length revolute. Capsule 1-celled, 2-valved, 

 many- seeded. — JVutt. 



1. S. stem quadrangular, winged ; leaves cordate- 

 ovate, amplexicaule ; flowers on long peduncles, 

 corymbose. B. 



