FLORA OF MICHIGAN. 95 



165. ERIG-ENIA, Nutt. HARBINGER-OP-SPRING. 

 *440. E. bulbosa, Nutt. C. & S. 



A delicate little plant in low woods, the flowers peeping from under matted leaves in earliest spring , 

 often before the snow is gone. Common. 



166. HYDBOCOTYLE, Tourn. WATER PENNYWORT. 



*441. H. umbellata, L. 



Woodward Lake, Ionia Co. ; 8. Mich., Wright Cat., etc. Either grows on sandy shores or is wholly 

 aquatic, with floating leaves. 



*442. H. Americana, L. L,. P. 



Common in C. 



167. EBYNGIUM, Tourn. ERYNGO. 



443. E. yuccse folium, Michx. Rattlesnake-Master. Button Snakeroot. 



S. W. 

 White Pigeon, 1838, Dr. Wright, in University Herb. Rare. 



168. SANTCULA, Tourn. SANICLE. BLACK SNAKEROOT. 

 *444. S. Marylandica, L. Th. 



Oak woods. Common. 



* 445. var. Canadeiisis, Torr. C. & S. 

 Hubbardston; Flint; Ann Arbor, All. Cat., etc. Beech and maple woods. Infrequent. 



XLIL AEALIACE^E. GINSENG FAMILY. 



169. ARALIA, Tourn. GINSENG. WILD SARSAPARILLA. 



* 446. A. racemosa, L.. Spikenard. Th, 

 Cheboygan Co., B. & K. ; Keweenaw Co., F. Frequent. 



*447. A. hispida, Ventenat. Bristly Sarsaparilla. Wild Elder. 



In a peat bog near the Agricultural College; also on dry clay soil, lot 21, Collegeville, Ingham Co. 

 Apparently not common south of the pine region. 



*448. A. nudicaulis, L. Wild Sarsaparilla. Th. 



Common. 



*449. A. quinquefolia, Decsne, & Planch. Ginseng. Th. 



Sault Ste. Marie; Ludington; Stanton, formerly in great abundance; Hnbbardaton; Flint; 

 Macomb Co.; southwest, Wright Cat., etc. Usually rare, but so common in places that it has been dug 

 for profit, and nearly exterminated. 



* 450. A. trifolia, Decsne. & Planch. Ground-nut. Dwarf Ginseng. Th. 

 Frequent northward to Keweenaw Co., F. 



XLIIL COKNACE^. DOGWOOD FAMILY. 



17O. COBNUS, Tourn. CORNEL. DOGWOOD. 

 *451. C. Cauaclensis, L. Dwarf Cornel. Bunch-berry. Th. 



Rare south. Constantino, Wheeler; Ann Arbor, G. D. Sones. Northward very common. 



*452. C. florida, L. Flowering Dogwood. C. & S. 



Frequent as far north as Grand-Saginaw Valley, usually as a low tree in oak woods. Frequently 

 blooms when only a bush, 3-4 ft. high. 



453. C. circinata, L'Her. Round-leaved Dogwood. Th. 



Klinger Lake ; Hubbardston to Cheboygan Co. B. & K., and northward to Keweenaw Co., F. Infre- 

 quent. 



*454. C. sericea, L. Silky Cornel. Kinnikinnik. C. & S. 



Indians use the inner bark for smoking. Frequent. 



