STATE GEOLOGIST. 

 spurred Gentian. Halenia deflexa, Griseb. 



28T 



Fivo-flowored 

 Gentian. 



Fringed Gentian. 



Smaller Fringed 

 Gentian. 



Straw Colored 

 Gentian. 



Whitish Gentian. 



Closod Gentian. 



Soapwort Gen- 

 tian. 



Screw -stem. 



MiddloL.L. Huron, 9 July; Drummond's I.; St. Helena I., common. 

 S. E. (Univ. Herb). 



Gentiana quinqueflora, L. 



Ann Arbor. 



var. occidentals. 



Ann Arbor. 



Gentiana crinita, Froel. 



Ann Arbor ; Mackinac, (Whitney). 



Gentiana detonsa, Pries. 



Ann Arbor ; Drummond's I., 13 Aug. ; Pt. au Chono, L. Mich. 



Gentiana ochroleuca, Froel. 



Mont Lake, (Miss Clark). 



Gentiana alba, Muhl. 



Ann Arbor ; S. W. (Univ. Herb). 



Gentiana Andrewsii, Griseb. 



S. Mich. (Univ. Herb). 



Gentiana Saponaria, L. 



S. Mich. (Wright). 



var. linearis. 



Pt. au Chene, L. Mich., 19 Aug., Bandy swamps. 



Gentiana puberula, Michx. 



Ann Arbor, (Miss Clark). 



Bartonia tenella, Muhl. (Centaurella paniculata — 

 W.) 



S. W. (Wright). 



Menyanthes trifoliata, L. 



Ann Arbor; S. Mich. (Wright). 



APOCYNACE/E. 



Spreading Dog- 

 bane. 



Indian Homp. 



Milkweed, 

 Silkweed. 



Poko Milkweed. 



Apocynum androssemifblium, L. * 



Ann Arbor ; The Cove, L. Huron, 1 July ; St. Joseph's I. 



Apocynum cannabinum, L. var. glaberrimum. 



Ann Arbor ; Ft. Gratiot. 



var. pubescens, DC. 



Ft. Gratiot ; Charity I., 27 Juno. 



' var. hypericifolium. (-4. hypericifolium — W.) 



S. Mich. (Wright). 



ASCLEPIADACE.&. 



'Asclepias Oornuti, Decaisne. (A. Syriaca — W,) 



Ann Arbor ; Charity Is., 27 Juno ; Sand dunes, Emmet Co. 



Asclepias pbytolaccoides, Pursh. 



Ann Arbor, very short pedicels excep* the terminal one ; Ft. Gratiot. 



Purple Milkweed. Asclepias purpurascens, L. 



Ann Arbor. 



