STATE GEOLOGIST. 149 



J", nodosus, L. Bog- Rush. 

 Common throughout the state. 



J. nodosus, L., var. niegaceplialus, Ton-. Bog-Rush, 



Common in Martin countVi and in Emmet county, Iowa, Cratty, Manitoba, Macoun; 

 probably throughout the state. 



J. Canadensis, J. Gay, var. long-icaudatus, Engelm. Bog-Rush, 



Minneapolis, Simmons; Blue Earth county, Leiberg. Through the south part of 

 the state. 



J. Canadensis, J. Gay, var. coarctatus, Engelm. Bog-Rush. 

 North of lake Superior, Juni. [Manitoba, Maeoun.] North. 



PONTEDERIACEiE. Pickerel- Weed Family. 



PONTEDERIA, L. Pickerel- Weed. 



P. cordata, L. Pickerel-Weed. 



Lake Pepin, Miss Manning ; "White Bear lake, Eamsey county, Simmons, Kelley; 

 lake Minnetonka, also in Douglas county, Mrs. Terry; pond in section 23, Burns, Anoka 

 county, Roberts; Stearns county, Campbell. , Infrequent. 



SCHOLiLiERA, Schreber. Water Star-grass. 



S. graminifolia, Willd. Water Star-grass. 



White Bear lake, Kamsey county, Simmons; lake Minnetonka, Roberts, Miss Butler; 

 Blue Earth county, Leiberg. South. 



COMMELYNAGEiE. Spiderwort Family. 



TRADESCAISTTIA, L. Spiderwort. 



T, "Virg-inica, L. Common Spiderwort. 



Common, often abundant, through the south half of the state ; extending northeast 

 to the upper Mississippi river, and nortli to lake "Winnipeg, Watson, Southwestvvard 

 the flowers are often seen varying from the ordinary blue to purple and pink. 



XYRIDACE^. Tellow-eyed-grass Family. 



XYRIS, L. Yellow-eyed Grass.- 

 X. flexuosa, Muhl. Yellow-eyed Grass. 



Sandy lake, about three miles north of East Minneapolis, Roberts; also collected 

 near Minneapolis by Mr. Kassube; White Bear, Eamsey county, Miss Field. Rare. 



ERIOCAULONACE^. Pipewort Family. 



ERIOCAULOK", L. Pipewort. 



E. septangiilare, With. Pipewort. 



Lake Agnes, Alexandria, Douglas county, Mrs. Terry. Rare. 



