62 



MICHIGAN FLOKA. 



Whitish Gen- 

 tian. 



American 

 Columbo. 



Spurred 

 Gentian. 



Bartonia. 

 Screw-stem. 



Buckbean. 



Clinton Co. (!); Ann 

 Rare or local. 



885. alba, Mulil. Th. 



Low meadows and borders of woods. Ionia Co. (!) 

 Arbor and S. W.— Winch. Cat.; to L. Superior. 



886. linearis, Froel., var. lanceolata, Gr. N. & U. P. 



Pt. au Chene, L. Mich.— Winch. Cat. " Minnesota and along L. Superior." 

 —Gray. 



FKASERA 



887. Carolinensis, Walt. (**) 



Rich, dry soil. Jackson Co. and westward— Winch. Cat. 



Miss Clark; Grand Rapids (!); Macomb Co. 



c. &s. 



Ann Arbor- 

 Scarce. 



HALEISTIA 



888. deflexa, Griesb. 



N. & U. P. 



Shore of Little Traverse Bay, near Harbor Point (!); Drummond's Is. and 

 St. Helen's Is.— Winch. Cat.; northward to L. Superior. Frequent. 



BARTONIA 



889. tenella, Muhl. 



Open woods. S. Mi 

 MENYANTHES 



890. trifoliata, L. ( 



Bogs. 



Spreading 

 Dogbane. 



APOCYNACEiE. 



{Dog-bane Family.) 



APOCYNUM 



891. androsaemifolium, L. (**) 



Borders of woods. 



Indian Hemp. 892. cannabinum, L. (**) 



Th. 



Common. 



Th. 



Low grounds. Exceedingly variable in size, habit, shape of leaves, pu- 

 bescence, etc. DeCandolle's varieties glaberrimum and pubescens occur, 

 but also intermediate forms, rendering useless any sub-specific names. 



Common. 



ASOLEPIADACE^E. 



Butterfly- 

 weed. 

 Pleurisy-root. 



Purple Milk- 

 weed. 



Indian Hemp. 

 Swamp Milk- 

 weed. 



Milkweed. 

 Silkweed. 



Poke Milk- 

 weed. 



Four-leaved 

 Milkweed. 



Whorled 

 Milkweed. 



( Milkzoeed Family. ) 



-Winch. Cat. ; Ionia Co. (!) 



ASCLEPIAS 



893. tuberosa, L. 



Sandy soil. Ranges from Canada to Florida, and from the Saskatchewan 

 Valley to Texas. Occasionally cultivated for its showy orange-red 

 flowers. Roots exported. Common. 



894. purpurascens, L. 



Woods. Ann Arbor.- 

 comb Co. 



895. incarnata, L. (**) 



Banks of streams. 



896. Cornuti, Decaisne. (**) 



Fields. The young shoots eaten for greens. 



897. phytolaccoides, Pursh. (***) 



Moist grounds. Ann Arbor; Ft. Gratiot.— Winch. Cat. 

 Lansing (!); Flint; Macomb Co. 



898. quadrifolia, L. (?) 



Ann Arbor.— Winch. Cat. 



899. verticillata, L. (***) S. 



Barrens. S. Mich.— Wright Cat. Infrequent. 



0. &S. 



Clinton Co. (!); Flint; Ma- 

 Frequent. 



Th. 



Common. 



Th. 



Common. 



0. &s. 



Ionia Co. (!); 

 Infrequent. 



