SCIENTIFIC AND POPULAR. 69 



a. B. pallida (Nutt. ) Britton. (Rudbeckia pallida Nutt., Echin- 



acea angustifolia DC. ). Alabama to Texas and northwestward. 

 Pale-purple Cone-flower, Comb (Dakota), Echinacea, Sampson- 

 root. Root alterative; remedy for snake-bite, hydrophobia, 

 etc. 



b. B. purpurea (L. ) Brit. (Echinacea purpurea Moench., Rud- 



beckia purpurea L. ) Virginia to Illinois and Louisiana. 

 Black Sampson, Hedgehog Cone-flower, Purple Cone-flower, 

 Red Sun-flower, Comb-flower. Properties of No. 1. 



805. BRAYA, Sternb. & Hoppe. Braya. Cruciferae. 



Perennial scapose herbs. About 15 species, Arctic and A fcpine 

 regions; 2 in U. S. 



806. BRAZ6RIA, Eng. & O^ray. Brazoria. Labiatae. 

 Named from the river Brazos in Texas. Syn. Physostegia, 



in part. Low annuals. Two known species, both of Texas. 



807. BREV06RTIA, Wood. Brevoortia. Liliaceae. 

 Scapose herb with showy umbellate flowers. A single species, 



California. 



*, B. renusta Greene (B. coccirtea, Wats., B. Ida-Maia Wood. 

 California. Vegetable Fire-cracker, Crimson Satin-flower. 



808. BREWERIA, R. Br. Breweria. Convolvulaceae. 



Named for Samuel Brewer, a correspondent of Dillen. Syn. 

 Stylisma, Bonamia, Convolvulus, in part. Procumbent herbs. 

 About 30 species, warm regions; 7 in U. S. 



309. BRINTONIA, Greene. Brintonia. Coiupositae. 



Syn. Solidago, in part. Herb, allied to Golden-rod. One 

 species in western U. S. 



310. BRITTONAMRA, Brittonamra. Papillonaceae. 



Syn. Cracca, in part. Herbs. Two species in western U, 8. 



311. BRODIAEA, Sm. California Hyacinth. Liliaceae. 

 Scapose herbs from a coated bulb. About 20 species, New 



World; 8 in southwestern U. S. 



312. BROMELIA, L. Bromelia. Bromeliaoeae. 



Named for Adolph Bromel, Swedish botanist, d. 1705. Fiber 

 plants. About 30 species, S. America. 



a. B. Pinguin L. West Indies. Pinguin, Pen-gwyn. Fruit aci- 

 dulous, refrigerant, anthelmintic. A hedge plant. 



313. BR6mUS, L. Brome-Grass, Chess. Oramineae. 

 Greek name of a kind of Oats. About 40 species; 23 in U. S. 



a. B. secalinus L. Europe and Asia, n at. in U. S. Chess, Cheat, 

 Cheat-grass, Smooth Rye-brome. 



314. BRONGMARTIA, H. B. K. Brongniartia. Papilionaceae. 



Named for Adolph Brongniart, French botanist. Shrubs. 

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



