MICHIGAN ACADEMY OF SCIENCE. 265 



TypHACE^ — Cat-tail Family. 

 Typha angiistifolia L. 



Alismace^ — Water-Plantain Family. 

 Sagittaria arifolia Nutt. 



Gramine^ — Grass Family. 



Panicum linear if olium Scribn. 



Panicum latifolium L. 



Phleum pratense L. Timothy. 



Agrostis alba L. 



Poa pratensis L. Kentucky Blue Grass. 



CvPERACEiE — Sedge Family. 



Cyperus strigosus L. 



Cyperus filiculmis Valil. Var. macilentus Fernald. 



Eleocharis ohtusa (Willd.) Schultes. 



Eleocharis palustris (L.) R. & S. • 



Scirpus atrovirens Muhl. • 



Carex cristata Schwein. 



Carex straminea Willd. 



Carex vulpinoidea Michx. 



Carex stipata Muhl. 



Carex Sartwellii Dewey. 



Carex striata Lam. 



Carex gracillima Schwein. 



Carex pennsylvanica Lam. 



Juncace^ — Rush P'amily. ^ 



Junciia acuminatus Michx. 



Luzula campestris (L.) DC. Var. multifiora (Ehrh.) Celak. 



LiLiACE^ — Lily Family. 



Oakesia sessilifolia (L.) Wats. 



Smilacina racemosa (L.) Desf. False Spikenard. 



Maianthemum canadense Desf. 



Trillium grandiflorum (Michx.) Salisb. 



Salicace^ — Willow Family. 



Salix amygdaloides Anders. Peach-leaved Willow. 

 Popidus grandidentata Michx. Large-toothed Aspen. 



Fagace^ — Beech Family. 

 Quercus alba L. White Oak. 



