91 

 OAKESIA. Watson. 



2334. SESSILIFOLIA, L 



Uvula rill si szlllfiiJin. L. 



Woods and banks. Common. May 3. (B ) 

 CLINTON1A, Raf. 



2341. C. borealis, Raf. 



Damp woods. June 1. (B). 

 MEREOLA, L. Indian Cucumber-root 

 2343. M. Virginica, L. 



Rich damp woods. June 1. (B). 

 TRILLIUM. L Wake Robin Birtbroot. 



2344. T. ERECTUM, L. var. ATROPURPUREUM, Hook. 

 T. erectum, L. of Gray's Manual. 



Low rich woods. May 1. (B) 



var. album, Pursb 



Occasionally found with the above of which it is only an albino form 

 with greenish-white flowers. 



2345. T. orandiflorum, Salisb. (Wake Robin.) 

 Rich woods. May 1. (B) Very variable. 



2347. T. cernuum, L. (Nodding Trillium.) 



Damp woods. Very local. Billings Bridge (.7. F.) Casselman 

 (Wm. Scott). May I. Flower sweet-scented, recurved, on short 

 pedicel. 



2348. T. erythrocarpum, Ms. (Painted Trillium.) 



Rich cool woods. Stewart's Rush. Beechwood. Casselman. May 

 2. (B). Petals striped with rose-purple at base, fruit an oval 

 scarlet berry. 



PONTEDERIACEiE. -Pickerel-Weed Family. 

 PONTEDERIA, L. Pickerel-weed. 



2355. P. CORDATA, L. 



River sides, in shallow water. Along (he hanks of the Rideau 

 River. July 4. (R). 

 HKTHRANTHERA, Ruiz and Pav. 



2356. II. GRAMINEA, Vahl. (Water Star-grass.) 

 Schollera graminea, Willd. 



In all slow-flowing waters. July 4. 



