STATE GEOLOGIST. 



299 



Arro-A 



u l.scrta. 



Wutor Plantain. 



Arrow 



Arrow-bead. 



Arrow-head. 



I »chin maritimum, I.. 



\ ,ir. datura. 



:non; Drummond's I. ; Ann 

 Ar: irk). 



Scheucbzeria palustris, L. 



t). 



Alisma Plantag •. L. rar. Americaauca, Gray. (A 



/'■■■ *. 



Ann Arbor-, & \V. iWr. 



Maria variabilis, Engelra. 



M June; Ann Arbor. 



var. divcrHifolia. 



!i., (Univ. II 



\:w angustifolia. 



Ok Baptdaj Aatrln 



SagUtaria heteropbylla, Pursb. 



Elk RapiJs, Antrim (>>. 



ittaria pusilla, Nutt. 



v. Herb). 



IlYPIMrilAniDACK.*:. 



Watcrwecd. 



- 



Aoacbarie C inadensis, PlanchoD. 



t>. Mich. (UnlT. Herb). 



Vallisncria spiralis. 1.. 



Ann Arbor. 



ORCHIDACEJB. 



Showy Orchis. 





". Orchis. 









Orchifi ibilifl, L. 



the mouth of Saginaw riyer la a 

 rith light purple lip, interruptedly atreaked and d 

 With In bloom, 14 June. 



Gymnadenia tridentata, Lindl. (Habenaria triden- 



tata W.) 



a w 



Platantbera lata, Lindl. (Habeiwria orbicu- 



lata- W.) 



:i, 11 July; Dnanmond'i I 

 Platanthera 11- ikeri, Lindl. 



: iv. Herb). 



thejra bi ,Torr. ( Habi naria bractcata — 



ath ra li\ :, Lindl. (Habeftaria huron- 



W.) 



. Q.iy,6Ju!y; N'.jrthnnrt 8 W*. (If 



