SCIENTIFIC AND POPULAR. 67 



290. BOTRYCHIUM, 8wa. Grape-fern. Ophioarlossacese. 



From Greek word for a ' 'clust er of grapes' ' . Syn , Osmundaf, 

 in part. Small fleshy ferns. About 12 species; 9 in U. S. 



a. B. Limaria (L. )S\vz. (O. Liinaria L. ). Northern Europe, 



Asia and X, America. Moonwort, Moon Fern, Lunary, Plen- 

 tage, Unshoe-the-horse, the first three of these names being 

 sometimes extended to other species. 



b. B. yirg:iniauuiii (L. ) Swz. (O. Virginiana L., B. gracile 



Pursh. ). Korthern Europe, Asia and X. America. Virginia 

 Grape-fern§, EattlesnakeFern, Indicator (Virginia), Hemlock- 

 leaved Moonwort^ , 



•291. BOUCHEA, Cham. Bouchea. Verbenaceae. 



Named for Charles and Peter Bouch^, gardeners of Berlin. 

 Herbs, some shrubby. About 20 species, mostly African, a few 

 in America and Asia; 3 in southwestern U. S. 



292. BOUCHETIA, DC. ^ Bouchetia. Solanaceae. 



Named for D. Bouchet, French botanist. Low perennial 

 herb, a single species, Texas to Brazil. 



293. B0UKD6NIA, Greene. Bourdonia. Compositae. 



Syn. Keerlia. Two species in western U. S. 



294. BOURRERIA, P. Br. (Beurreria). Boraginaceae. 



Named for a Nuremberg apothecary, Bourrer. Syn. Crema- 

 tomia, Miers, Ehretia, Pittonia, in part. Trees and shrubs. 

 About 25 species, tropical America; 2 in U, S. 



295. BOUA'ARDIA, Salisb. Bouvardia. Rubiaceae. 

 Namefor Dr. Bouvard of the Jardin du Koi, Paris. Orna- 

 mental shrubs. About 50 species, tropical America; 2 in U. S. 



296. BOWDICHIA, H. B. K. Bowdichia. Papilioiiaceae. 



Named for J. E. Bowdich, traveler in west Africa. Syn. 

 Sebipira, Mart. Trees. Two species, S. America. 



a. B. virgilioides H. B. K., Brazil. Alcornoco, Alcornoque. 

 Bark tonic, febrifuge. See 334 (a). 



297. BOWLESIA, R. & P. Bowlesia. Umbelliferae. 



Herbs. About 20 species, mostly of S, America; 1 in U. S. 



298. BRAB^JUM, L. Kafir Chestnut. Proteaceae. 



Syn. Brabyla. Shrubs. One species, south Africa. 



a. B. stellatifolium L. South Africa. Kafir Chestnut, Wild 

 Chestnut, Wild Almond. ASeecZs esculent, a substitute for coffee. 



299. BRACHYACTIS, Ledeb. Rayless Aster. Compositae. 



From Greek, "short rayed". Syn. Tripolium, Aster, in 

 part. Smooth, somewhat fleshy herbs. About 7 species, N. 

 America and northern Asia; 1 in U. S. 



300. BRACHYCHAETA, T. & Gr. False Golden-rod. Composite. 

 From Greek, "short bristled", of the pappus. Syn. Solidago, 



in part. One species, eastern U. S. 



