20 FLORA OF BURLINGTON AND VICINITY 



C. scabrata Schwein. Springy bogs in woods; frequent. June, July. 



C. scirpoides Schkuhr. Boggy meadows; frequent. June, July. 



C. scoparia Schkuhr. Low grounds; common. June, July. Var. con- 

 DENSA Fern. Colchester, (Hazen). June, July. Var. moniliformis 

 Tuck. Burlington, (Hazen). June, July. 



C. siccata Dewey. Sandy shore of Lake Champlain; rare. June, July. 

 Burlington, (Hazen). 



C. sparganioides Muhl. Rich woods; occasional. June, July. 



C. stellulata Good. Low open ground; frequent. June, July. 



C. stellulata Good., var. augustata Carey. Wet ground; rare. June, 

 July. South Burlington, (X. F. F.). 



C. stellulata Good., var. excelsior (Bailey) Fern. Low open ground; 

 frequent. June, July. 



C. stipata Muhl. Swales; common. June, July. 



C. stramiuea Willd. Dryish copses and fields; frequent. June, July. 



C. stramiuea Willd., var. echinodes Fern. Moist sandy soil, Burling- 

 ton, (Brainerd). July. 



C. stricta Lam. Swales and marshes; frequent. June, July. 



Cw tenella Schkuhr. Cold swamps; occasional. May, June. 



C. tenuiflora Wahlenb. Bogs; rare. June, July. Burlington, (Rob- 

 bins). 



C. torta Boott. By streams; rare. June. Colchester, (Griffin). 



C, tribuloides Wahlenb. Open swales; frequent. July, Aug. 



C. tribuloides Wahlenb., var. reducta Bailey. Moist copses; frequent. 

 July, Aug. 



C. trisperma Dewey. Cold bogs in shade; occasional. June, July. 



C. Tuckermani Dewey. Swales and marshes; frequent. June, July. 



C. typliinoides Schwein. (C. typhina Michx.) Low margin of Lake 

 Champlain, Burlington, (N. F. F.). July, Aug. 



C. umbellata Schkuhr. Dry sandy soil; occasional. May, June. 

 C. varia Muhl. Dry woods; rare. May, June. Colchester, (Brain- 

 erd and Jones); Burlington, (Pringle). 



C. Tesicaria L. Two forms occur. Var. jejuna Fern. Swales; rare. 

 June, July. Burlington, (Hazen). Var. monile (Tuck.) Fern. 

 Swales; common. June, July. 



