78 



MICHIGAN FLOKA. 



Arrow-grass. 

 Arrow-grass. 



Scheuchzeria. 



"Water Plan- 

 tain. 



Arrow-head. 

 Arrow-head. 

 Arrow-head. 



Th. 



Common. 



1110. maritimum, L. 



Macomb Co.; S. Mich.— Wright Cat.; Petoskey (!). 



1111. maritimurn, L., var. elatum, Gr. Th. 



Ann Arbor,— Allmendinger Cat.; Flint; Macomb Co.; and northward. 

 SCHEUCHZERIA 



1112. palustris, L. 



S. w.— Wright Cat,; Macomb Co.; Hubbardston (!); Montcalm Co. (!). 

 Frequent northward in cold bogs. 



ALISMA 



1113. Plantago, L v var. Americanum, Gr. (***). 



Shallow water. 

 ECHINODORUS 



1114. parvulus, Engelm. 



Dr. A. B. Lyons. 

 SAGITTARIA 



1115. variabilis, Engelm. 



Wet places. Occurs in many forms. 



1116. heterophylla, Ph. 



Elk Rapids,— Winch. Cat., etc. 



1117. heterophylla, Ph., var. rigida, Engelm. 



Fruitport,— E. J. Hill. 



1118. graminea, Michx. 



Dr. A. B. Lyons. 



Th. 



Common. 



Th. 



S. 



HYDRO CH ARID ACE^E. 

 (Frog's-bit Family.) 

 ASTACHARIS 



Water-weed. 1119. Canadensis, Planchon. 



Tape-grass. 

 Eel-grass. 



Slow streams. 

 VA.LLISNERIA 

 1120. spiralis, L. 



Th. 



Common. 



L.P. 



Ann Arbor— Winch. Cat.; S. Haven,— Bailey; Hubbardston (!); to Petos. 

 key(!). Slow streams. Common in Grand" River and tributaries. 



ORCHIDACE/E. 



{Orchis Family.) 

 ORCHIS 

 showy orchis. 1121. spectabilis, L. 



Rich woods. Widely distributed. 



1122. rotundifolia, Ph. (?) 



Flint-Dr. D. Clark; "Shore of L. Mich, in Wis. 

 HABENARIA 



1123. tridentata, Hook. 



-Foote. 



Naked-gland 

 Orchis. 



Greenish 

 Orchis. 



Bracted 

 Green Orchis. 



0. & s. 



Scarce. 



Th. 



S- W.— Wright Cat.; Ann Arbor— Allmend. Cat.; Hubbardston (!); and 

 northward. 



1124. virescens, Spreng. C. & S. 



Macomb Co.; Ann Arbor,— Winch. Cat.; S. W.— Wright Cat. 



1125. viridis, R. Br., var. bracteata, Reich. Th. 



Ann Arbor and Emmet Co.,— Winch. Cat.; Macomb Co.; Kalamazoo; Hub- 

 bardston (!); Flint; Lansing— Bailey. 



