SCIENTIFIO AND POPULAR. 147 



«. E. mirilbile Schott. (R Vitiensis Schott. ). Fiji Islandt. Said 

 to be one of the constituents of the Fiji drug called Tonga. 



758. EQUISETUM, L. Horsetail, etc. Equisetaceae. 



Ancient Latin name, "horse bristle", or ''equal bristled". 

 Plants of a primitive type. About 25 species; 14 in U. S. 



a. E. arvense L. Northern Europe, Asia and N. America, south 

 to Virginia and California. Field Plorsetail, Bottle-brush, 

 Cat's-tail, Horse-pipe; Ger. Kleiner Schachtelhalm, Zinnkraut, 

 Scheuerkraut, Dubock, Pferdschwanz, Plant, H. equiseti 

 (minoris), diuretic. 



h. E. hyemiile L. Europe, Asia and N. America, including U. S. 

 Common Scouring-rush. The following names apply to this 

 and other rough species; Dutch Rush, Gun-bright, Horse-pipe, 

 Pewterwort, Polishing Rush, Rough Horsetail, Shave-grass; 

 Ger. Tischlerschachtelhalm, Polir-schachtelhalm. Stems, H. 

 equeseti majoris, diuretic. ,j 



€. E. paliistre L. Europe and northern N. America, south to New- 

 York and Arizona. IMarsh Horsetail, Cat- whistles. Marsh 

 Reed, Paddock-prpes, Snake-pipes Toad-pipes, Tad-pipes, the 

 latter names also applied to other species. 



759. ERANTHIS, SaKsb. Winter Aconite. Rammciilaceae. 



From Greek, "flower of spring" . Syn. Cammarum, Helle- 

 borus, in part. Herbs from tuberous rootstocks. About 5 

 species, Europe and Asia. 



a. E. hyeinalis ( L. ) Salisb. (H. hyemalis L., C. hyemale (L.) 

 Greene, Heller's catalogue). Europe, cult, and adv. in U. S. 

 Winter Aconite, Winter Hellebore, Christmas-flower, Wolf's- 

 bane. 



7(iO. ERECHTITES, Raf. Fire- weed. Compositae. 



Ancient Greek name of groundsel, "rending". Syn. Senecio, 

 in part. Herbs. About 12 species, America and Australasia; 

 1 in U. S. 



a. E. liieracifolia (L.) Raf. (S. hieracifolius L. ). British Amer- 

 ica to Nebraska, Louisiana and Mexico, also S. America. 

 Fire-weed, Pilewort. Herb, emollient, astringent. 



761. EREMIASTRUM, Gray. Eremiastrum. Compositae. 



From Greek, "desert Aster". Small winter annuals. Two 

 species, Arizona to California. 



762. EREMINULA, Greene. Ererainula. Compositae. 



Syn. Dimeresia, Gray. Herb. One species in Oregon. 



763. EREM0CARPU8, Benth. Eremocarpus. Eiipliorbiaceae. 



From Greek, '-solitary fruited". Rank-smelling herb. One 

 species, California. 



a, E. seti^eriis Benth. California. Ginger-leaf. Plant, carmina- 

 tive, febrifuge. 



