144 PLANT NAMES AND SYNONYMS 



736. ELAEIS, Jacq. - Oil Palm. - Sabalaceae. 



Greek name of Olive tree. Low palms. About 6 species, 

 mostly of S. America, one African. 



a. E. Giiineensis Jacq. Western Africa, cult, in Brazil. Oil 

 Palm, African Oil-palm. Fruit, source of palm oil, largely used 

 for making soap. 



737. ELAPH(3MYCES, Fries. Hart's Truffle. Tiiberaceae. 



From Greek, "hart fungus". Syn. Lycoperdonf, Sclero- 

 derma, in part. Underground fungi, resembling pufi-balls. 



a. E. ceryinum ( L. ) Lyons ( L. cervinum L. , S. cervinum Pers. , 

 E. gran ulatus Fries). Europe. Hart's Truffle, Hart's-balls, 

 Deer-balls, Rut-of-harts, Lycoperdon nuts, Puff-ballj; Ger. 

 Hirschbrunst, Hii-sch truffle ; Fr. TrufFede cerf. Fungus, Fun- 

 gus (Boletus) cervinus, formerly reputed aphrodisiac. 



738. ELAPHRIUM, Jacq. Mexican Elemi. Burseraceae. 



Syn. Bursera (Kew), in part. Trees or shrubs, tropical 

 America. 



a. E. elemiferum Royle(B. elemifera J. Hook. ). Mexico. Resin- 

 ous exudate, Mexican Copal, Mexican Elemi. See Canarium. 



739. ELATINE, L. Waterwort, Mud Purslane. Elatinaceae. 



Greek plant name, meaning "fir like". Small herbs with 

 minute flowers. About 9 species, temperate and warm regions; 

 4 in U. S. 



740. ELATINOiDES,Wettst.l891.Toad-flax.Scrophulariaceae, 

 From Greek, "resembling Elatine". Syn. Elatine, Moench 



1794, not L. 1753; Antirrhinum, Linaria, in part. Annual 

 herbs. About 25 species, Old World. 



a. E. Elatine (L.) Wettst. (A. Elatine L., L. Elatine Mill.). 



Asia and Europe, nat. in U. S. Sharp-pointed Fluellin or 

 Toad-flax, Canker-root, Cancerwort. 



b. E. spuria (L. ) Wettst. (A. spuriutn L., L. spuria Mill.). 



Eound-leaved Toad-flax, Cancerwort, Female Fluellin. 



741. ELEPHAXTOPUS, L. Elephant' s-foot. Compositae. 



From Greek, "elephant' s-foot" or "ivory foot". Perennial 

 herbs. About 15 species; 3 in U. S. 



a. E. tomentosiis L. Southeastern U. S. Tobacco- weed, Devil' s- 

 grandmother. 



742. ELETTARIA, Maton 1811. Cardamom. Zingiberaceae. 



Syn. Cardamomum Salisb. 1812 (Noronha, 1790); Amomum, 

 Alpinia, Matonia, Reanalmia, in part. Herbs from a thick 

 rhizome. About 10 species, East Indies, especially Java. 



a. E. repeus (Sonn. )Baill. (Am. repens Sonnerat, E. Cardamomum, 

 Maton, (Kew), Alp. Cardamomum Roxb. Am. Cardamomum 

 White, not Am. Cardamon L., M. Cardamomum Smith, R. 

 Cardamomum Roscoe). Hindustan. Fruit; Cardamomum, 

 LT. S. P., Cardamomi semina Br. , Fructus (semen) cardamomi 



