394 Gleason: The pedunculate species of Trillium 



12. Trillium nivale Riddell, Syn. Fl. West. St. 93. 1835 



Type locality : Central Ohio. 



Distribution : Western Pennsylvania to southeastern Minn 

 sota, a range nearly coinciding with that of T. declinatum. 



13. Trillium undulatum Willd. Gesell. Naturf. 



Berlin Neue Schr. 3: 422. 1801 



Trillium crythrocarpum Michx. Fl. Bor. Am. I : 216. 1803. 

 Trillium pictum Pursh, Fl. Am. Sept. 244. 18 14. 



Type locality : Pennsylvania. 



Distribution : Nova Scotia to Ontario and Wisconsin, and south 

 ill the mountains to South Carolina and Georgia. 



14. Trillium Scouleri Rydberg, sp. nov. 



iifii 



180, in part. 1839 



m 



Trillium obovatum Hook. loc. cit. in part. Not T obovatum Pursh. 

 Stem stout, erect, 2-4 dm. high ; leaves broadly rhomboid, 



6—12 cm. long 



or 



truncate at base, closely sessile ; peduncle erect or nearly so, 3-5 

 cm. long ; petals ovate-oblong, white, subacute, 3-5 cm. long, 

 1-2 cm. wide; stamens 13-24 mm. long, equaling or exceeding 

 the stigmas ; filaments 5-9 mm. long, about one-half to two-thirds 

 as long as the anthers ; stigmas slender, recurved at the tip, erect,. 

 or usually divergent, about equaling the ovary. 



Type locality : British Columbia. 



Distribution : British Columbia to Montana and California. 



15. Trillium grandiflorum (Michx.) Salisb. Parad. 



Lond. pi. 1. 1805 



Trillium rhomboidcum grandiflorum Michx. Fl. Bor. Am. I : 216. 

 1803. 



Trillium crythrocarpum Ker, Bot. Mag. pi 855. 1805. Not ^ 

 crythrocarpu m Michx. 



Type locality : The mountains of North Carolina. 



* 



Distribution : From Quebec and New England west to Min- 

 nesota, and south along the mountains to Florida. 



