102 . MIGH1OAN ACADEMY OF SCIENCE. 



CALCEOLARIA Loefl. SOLEA Spreng. IONIDIUM Vent. 



*1501. C. verticillata (Ort.) Kuntze. Nodding Violet. Green Violet. Solea concolor 

 Ging. Hubbardston; Ann Arbor, Allm. Cat. Scarce and local. Near Grand Rapids, 

 Miss E. J. Cole. C. & S. 



CACTACE^ Lindl. Cactus Family. 

 OPUNTIA Mill. 



1502. 0. humifusa Raf. Western Prickly Pear. O. Raftnesquii Engelm. Common 

 in Newaygo Co. along the Muskegon River, Cedar Creek Tp. , Muskegon Co., C. F. 

 Wheeler; and a stunted variety on sand barrens near Greenville, J. Satterlee; also, 

 northward into British Am., Engelmann. 



THYMELEACE^E Eeichenb. Mezereon Family. 

 DIRCA L. 



*1503. D. palustris L. Leather-wood. Moose-wood. Woods. The tough bark used 

 for thongs by Indians. Ann Arbor, Winch. Cat.; South Haven, L, H. Bailey; Alma, 

 C. A. Davis, and northward. Frequent. Th. 



ELAEAGNACE^E Lindl. Oleaster Family. 

 LEPARGYRAEA Raf. SHEPHERDIA Nutt. 



*1504. L. Canadensis (L.) Greene. Canadian Buffalo -berry. Shepherdia Canadensis 

 Nutt. Gravelly banks. "On the western islands in Lake Erie," Dr. D. Cooley; Ann 

 Arbor, Winch. Cat.; South Haven, L. H. Bailey; Flint, and northward. Abundant at 

 Petoskey. A common short shrub, L. Superior, Whitney Cat.; Benton Harbor, C. F. 

 Wheeler. Th. 



LYTHRACE^) Lindl. Loosestrife Family. 



DECODON Gmelin. 



*1505. D. verticillatus (L.) Ell. Swamp Loosestrife. Crystal Lake, Montcalm Co.; 

 Flint; Birmingham, Oakland Co.; South Haven; Orion; Grass Lake; Fife Lake, farthest 

 station north known. Infrequent. L. P. 



LYTHRUM L. 



1506. L. alatum Pursh. Near Detroit, Cooley MS., 0. A. Farwell; S. Mich., Wright 

 Cat.; Kalamazoo, Tuthill; Bay, Tuscola and Huron Counties, C. A. Davis. Maiden, 

 Detroit River, Maclagan Canadian Cat. O. A. Farwell 



1507. L. Salicaria L. Purple Loosestrife. Detroit to Bay City, Port Huron, C. K. 

 Dodge. 



MELASTOMACE^E B. Br. Meadow-Beauty Family. 

 RHEXIA L. 



1508. R. Virginica L. Deer -grass. Muskegon, C. D. McLouth; S. W., H. S. 

 Pepoon. 



ONAGRACE^ Dutnort. Evening-primrose Family. 



ISNARDIA L. LUDWIGIA L., in part. 



1509. I. palustris L. Marsh Purslane. Ludivigia palustris Ell. Water Purslane. 

 Common. L. P. 



