STATE GEOLOGIST. 141 



lake Superior, Whitney, aad lake of tUe Woods, Dawson; var. latifolia, Torr., hills of 

 Zumbro river, Geyer. 



S, gracilis, Bigelow. LadiSs' Tresses. 



Throughout the state, but infrequent. Pine barrens, St. Croix river, Parry; Stearns 

 county, Campbell; Minneapolis, R. S.WilUam'i, Roberts; lake Pepin, Miss Manning. 

 [Decorah, Iowa, Arthur; Nebraska, Aughey; Manitoba, Macoun.] 



lilSTERA, R. Br. Twayblade. 



L. cordata, R. Br. Twayblade. , 



Between lake Superior and the lake of the Woods, Macoun; Isle Royale, Dr. A. B. 

 Lyons. North: 



Ij . convallarioicles, Nutt. Twayblade. 



Also, between lake Superiorandthelakeof the Woods, Macoun; Isle Royale, D?\ A. 

 B.Lyons. North. 



ARETHUSA, Gronov. Arethusa. 



A. bvilbosa, L. Ar thusa. 



Chisago county, Upham; Ramsey county (near lake Johanna), Roberts; Red Wing, 

 Sandberg. Rare. North. 



POGONIA, JUSS. POGONIA. 



P. oi>hioglossoicles, Nutt. Pogonia. 



St. Croix river. Parry, Isanti county, Upham; Stearns county, Campbell; Saint Paul, 

 Mrs . Terry, Kelley; Minneapolis (frequent), Roberts, Miss Butler. 



[P. pendula, Lindl., and P. verticillata, Nutt., should be looked for in this state.] 



CALOPOGON, R. Br. Calopoggn. Grass Pink. 



C. pulchellus, R. Br. Calopogon. Grass Pink. 

 Common, or frequent, throughout the state. 



CAtYPSO, Salisb. Calypso. 



C. borealis, Salisb. Calypso. 



Black Point, north shore of lake Superior, Roberts; DuUith, Miss Cathcart. Rare. 

 North. 



MICBOSTYIilS, Nutt. Adder's-Mouth . 



M. monophyllos, Lindl. Adder's-Mouth. 

 . Lapham. St. Croix river, Parry; Taylor's Falls, Roberts. Rare. North. 



M. ophiog-lossoicles, Nutt. Adder's-Mouth. 



Itasca lake, Uoitg/ttoft; Mille Lacs, Campbel/,- St. Croix river. Parry; at head of 

 lake Pepin, Sandberg; Hesper, lowa-(rare), Mrs. Carter. [Manitoba, Macoun. j 



LIPARIS , Richard. Twayblade. 



L. liliifolia, Richard. Twayblade. 



Minneapolis (one mile west of city), Roberts; near Saint Paul, Mrs. Terry ; Good- 

 hue county, Sandberg; Winona county, Holzinger; Hesper, Iowa, Mrs. Carter. Rare. 



L. LiCeselii, Richard. Twayblade. 



In tama,rack swamps near Minneapolis, Roberts; Stearns county, Campbell. Rare. 



