100 MICHIGAN ACADEMY OF SCIENCE. 



ABUTILON Gaeitn. 



*14.54. A. Abutilon (L.) Rusby. Velvet-leaf. A. Avicennae Gaert. Roadsides and 

 river banks. Verj' common in places, and, along with Datura Stramonium, forming 

 regular thickets. Alma, Ann .\r1)or, C. A. Davis. C. & S. 



HIBISCUS L. 



14/55. H. Moscheutos L. Swamp Rose-mallow. Monroe; Flint; Put-in-Bay, Lake 

 Erie; St. Joseph, V. ^^'illoughbv; Detroit, D. H. Campbell; Saugatuck, Tuthill. Rare. 

 C. & S. 



*145(). H. Trionum L. Bladder Ketmia. South, Dr. Wright; Ann Arbor, Winch. 

 Cat.; Flint; Ypsilanti, O. A. Farwell; Alma, Ann Arbor, C. A. Davis. Rare. 



HYPERICACE.E Lindl. St. John's-wort Family. 

 HYPERICUM L. 



•1457. H. Ascyron L. Great St. John's Wort. South Haven; Ann Arbor; Ft. 

 Gratiot; Macomb Co.; Ionia; Stanton; Hubbardston; Alma; Crystal Lake; Flint; 

 Ontonagon River, Whitney Cat.; Grand Rapids, Sones; Keweenaw Co., O. A. Farwell. 

 Occurs at wide intervals and in small patches. Th. 



1458. H. boreale (Britton) Bicknell. H. Cunadense boreale Britton. Keweenaw 

 Co., 0. A. Farwell. 



*1459. H. Canadense L. Canadian St. John's-wort. Ann Arbor, Miss Clark; L. Sup., 

 A. Gray; Keweenaw Co., 0. A. Farwell; Carp River, Porter; Alma. Infrequent. 



1460. H. ellipticum Hook. Ann Arbor. Miss Clark; Keweenaw Co., 0. A. Farwell; 

 Carp River, T. C. Porter. Infrequent. 



1461. H. Kalmianum L. Kalm's St. John's-wort. Along the lakes; more common 

 northward. Manistee. F. P. Daniels; Fort Gratiot, Winch. Cat.; Petoskey; Port Austin, 

 ■C. A. Davis; S. W.. H. S. Pepoon. Th. 



*1462. H. maculatum Walt. Spotted St. John's-wort. Common. Th. 



*1463. H. majus (A. Gray) Britton. Larger Canadian St. John's-wort. H. Cana- 

 dense nut jus A. Grav. St. Clair Co., Focrstc; Flint; Fruitport and Old Mission, E. J. 

 Hill; L. Sup., A. Gray. Vcstaburg. Th. 



*1464. H. mutilunj L. Dwarf St. John's-wort. Common. Th. 



*1465. H. perforatum L. Common St. John's-wort. Ionia; Flint; Keweenaw Co., 

 O. A. Farwell. Iiifiequent. 



*1466. H. prolificum L. Shrubby St. J. A low, compact shrub. Frequent from C. 

 Southward. Tli. 



SAROTHRA L. 



1467. S. gentianoides L. Pine wood. Jli/iitricinn iiKdioauIe Walt. Ypsilanti. 0. 

 A. Farwell. 



TRIADENUM Raf. Ei.odea Pursh, not Michx. 



*1468. T. Virginicum (L.) Raf. Marsh St. John's-wort. Elodea camuanulata 

 Pursli. Common. Th. 



CISTACEiE Lindl. Rock-rose Family. 



HELIANTHEMUM Pers. 



*1469. H. Canadense (L.) Michx. Frost-weed. Frequent. Th. 



1470. H. majus (iv.) B. S. P. Hoary Frcst-weed. Vestaburg, Davis and Wheeler; 

 Muskegon, W. J. B.; Fife Lake, Alpena, C. F. Wheeler; Detroit, 0. A. Farwell. 



HUDSONIA L. 



1471. H. tomentosa Nutl. False lleathor. Shores of Great Lakes, A. Gray; S. 

 Mich., Winch. Cat.; L. Sup.. Can. Cat.; Oscoda. Frequent. Th. 



