FLORA OF MICHIGAN. 129 



LXXVIII. THYMEL^EACE^E. MEZEKEUM FAMILY. 



367. DIRCA, L. LEATHER-WOOD. MOOSEWOOD. 



*1017. D. palustris, L. Th. 



Woods. The tough bark used for thongs by Indians. Ann Arbor, Winch. Cat. ; S. Haven, Bailey, 

 and northward. Frequent. 



LXXIX. EL^EAGNACE^E. OLEASTER FAMILY. 



368. SHEPHERDIA, Nutt. 

 *1018. S. Canaeteiisis, Nutt. Th. 



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

 Cat.; South Haven, Bailey; Flint, and northward. Abundant at Petoskey. "A common short shrub," 

 (L. Superior") , Whitney Cat.; Benton Harbor, Wheeler. 



LXXX. SANTALACE^. SANDALWOOD FAMILY. 



369. COMANDRA, Nutt. BASTARD TOAD-FLAX. 

 *1019. C. umbellate, Nutt. Th. 



Dry ground. Indifferently parasitic on roots. Common. 



1020. C. livida, Richards. N. & U. P. 



" Sandy shores, L. Superior," Gray; Traverse City, Dr. : A. B. Lyons; Isle Royale, Whitney Cat; 

 Keweenaw Co., F. 



LXXXI. EUPHOKBIACE^. SPURGE FAMILY. 



37O. EUPHORBIA, L. SPURGE. 



1021. E. polygoiiifolia, L. Th. 



Sandy shores of the Great Lakes. S. Haven, Bailey; Ft. Gratiot, Winch. Cat., etc. Frequent.: 



1022. E. serpyllifolia, Pers. 

 Keweenaw Co., F.? 



* 1023. E. maculata, D. 



Roadsides and fields, everywhere. 



1024. E. humistrata, Engelm. 

 Flint, Dr. D. Clark. 



*1025. E. Preslii, Guss. C. & S. 



Cultivated soil, and waste places. Detroit, Dr. A. B. Lyons; Ionia; Grand Rapids. Infrequent^ 



*1026. E. corollata, L. C. & S. 



Sandy soil. Frequent. 



1027. E. PLATYPHYLLA, L. 



Macomb Co.; "Along the Great Lakes," Gray; Lake Huron, Dr. Todd. 



1028. E. HELIOSCOPIA, L. 

 Common at Detroit, Dr. A. B. Lyons. 



* 1029. E. EsULA, L.. 

 Escaped from cultivation. 



[E. SERPENS, HBK. t 



Introduced at Windsor, Ont.. J. Macoun. Probably in Detroit.] 



