SCIENTIFIC AND POPULAR. 63 



b. B. cucullaria (L.) Millsp. (Diclytra ciicullaria DC. Dielytra 



cucullaria T. & G., Dicentra cucullaria Torr. ). Northern 

 U. S. Dutchman' s-breeclies, Little-boy' s-breeches, Kitten' 9- 

 breeches, Breeches-flower Indian-boys-and-girls, Monkshood*, 

 White Ear-drop, Soldier's Cap, Colic-weed*, Boys-and-girls. 



c. B. eximia (Ker. ) Millsp. (Fumaria eximia Ker, Dicentra 



eximia Torr. ). New York to Georgia. Wild Bleeding-heart, 

 8taggerweed, Turkey-corn. 



d. B. formosa (DC) Howell. (C. formosaDC. ). Pacific coast 



of U. S. California Bleeding-heart. 



263. BIDENS, D. Beggar-ticks, etc. Compositae. 



From Latin, ''two toothed", of the achenes. Syn. Diodonta, 

 Ck)reopsis, Helianthusf, in part. Coarse herbs, the achenes 

 armed with barbed awns. About 60 species, widely distribut- 

 ed; 20 in U. S. 



a. B. aristosa (Michx. ) Brit. (C. aristosa Michx. B. aristata 

 Muhl. ) and other showy species of eastern LT. S., as (b) B. 

 coronata (L. ) Fisch., (c) B. trichosperma (Michx.) Brit., 

 originally referred to Coreopsis, are called Tickseed Sunflower. 



d. B. Beckii Torr. Canada to New Jei-sey and Missouri. Water 

 Marigold. 



e B. bipinn^ta L. Eastern U. S. to Nebraska and Mexico, nat. 

 in Europe. Spanish-needles. Boot and seed emmenagogue, 

 expectorant, used in hay asthma. 



f. B. cernua L. Northern Europe, Asia and N. America. Smal- 



ler or Nodding Bar-marigold, Baclin, Double-tooth, Pitchforks, 

 Water Agrimony. 



g. B. fronilosa L. Canada and eastern to central U. S. Common 



Beggar-ticks, Stick-tight, Beggar-lice, Cow-lice, Harvest-lice, 

 Cuckles, Cuckold, Devil' s-pitcliforks, Ray less Marigold, Com- 

 mon Bur-marigold. Most of these names are applied to other 

 similar species. 



h. B. laevis (L. )B. S. P. (IL laevis L., B. chrysanthemoides 

 Michx. ). Widely distributed in N. America. Brook Sun- 

 flower, Large or Smooth Bur-marigold. 



i. B. tripartita L. Europe. Swamp Beggar-ticks, Agrimony 

 Water-hemp, Water Agrimony; Ger. Gelber Wasserhanf, 

 Wasserdiirrwurz, Fr. Chanvre aquatique. Properties of (e). 



264. BIF6ra, Hoffm. Bifora. Umbelliferae. 



Syn. Atrema, in part. Herbs. About 5 species, nortli 

 temperate zone; 1 in U. S. 



265. BIGN6NIA L. - Bignonia - Biguoniaeeae. 



Named for Abbe Bignon, librarian to Louis XV. Woody 

 climbers with showy flowers. About 150 species, all American; 

 1 in U. S. 



