BIP 



51 



BLA 



the segments of which are them- 

 selves pinnatifid. 



bipinnatipartite, a., bl'-pm-nat-i- 

 pdrt'-U (L. bis, twice ; pinna, 

 a feather ; partitus, divided), 

 differing from pinnatifid in hav- 

 ing the divisions of a pinnatifid 

 leaf extending to near the mid- 

 rib. 



biplicate, a., Hp'-lflc-at (L. bis, 

 twice; plicdtum, to fold), in bot., 

 having two folds or plates. 



biporose, a., bi-por'-dz (L. bis, 

 twice ; L. porus, Gr. poros, a 

 pore), in bot., having two rounded 

 openings. 



biramous, a., bi-ram'us (L. bis, 

 twice ; ramus, a branch), applied 

 to a limb divided into two 

 branches, as in the limbs of the 

 Cirripedes. 



bi-septate, a., bl-sept'dt> (L. bis, 

 twice ; septum, a* fence, an en- 

 closure), having two partitions. 



bi-serrate, a., bi-ser'dt (L. bi&,. 

 twice ; serratus, saw-shaped),, in 

 bot., having serratures whichi are 

 themselves serrate. 



bi-sexual, a., bi-seks'-u-al (L..bis, 

 twice, and sexual),, in. bot., male 

 and female organs in the same 

 flowers. 



bismuth, n.,, bismuth (Ger. wisz- 

 muth, bismuth from wisz, white, 

 and muth, lively), a hard, brittle, 

 yellowish or reddish-white metal, 

 used in the arts ;, used in medi- 

 cine in two forms (1) the sub- 

 nitrate,. (2) the carbonate of bis- 

 muth. 



bistort, n. , bis'tdrt (L. bis, twice ; 

 tortus, twisted), the root of the 

 plant Polygonum bistorta, so 

 called on account of its double 

 twist, is a powerful astringent ; 

 snake weed. 



biternate, a., bi-tern'dt (L. bis, 

 twice ; terni, three by three), in 

 bot., having a leaf divided into 

 three parts, and each division 

 again divided into three parts. 



bivalve, n., bi'-v&lv (L. bis, twice ; 

 valvce, folding doors), a shell con- 



sisting of two plates or valves, as 

 in the mussel or oyster ; in bot., 

 a seed case or vessel of a similar 

 kind. 



biventer cervicis, bl-vent'8r serv> 

 is'-is (L. bis, twice, double ; 

 venter, the belly ; cervicis, of the 

 neck from cervix, the neck), the 

 double-bellied muscle of the neck ; 

 a muscle of the upper and back 

 part of the neck, formed by a 

 large fasciculus of the 'complexus' 

 or ' trachelo-occipitalis, ' remark- 

 able for consisting of two fleshy 

 bellies with an intermediate 

 tendon. 



Bixacese, n. plu., biks-a'-sZ-e (bixa, 

 the name in S. America), the 



I Arnatto or Anatto* family, an 

 Order of plants, many of which 

 yield edible fruits : Bixe, n. 

 plu.,> biks^e^e, one of. the four 

 tribes of the Order : Bixa, n., 

 biks'-a, a genus of plants of the 

 Order : Bixa orellana, dr-Zl'-dn-d 

 (Sp. orellana, arnatto or arnotto),. 

 a plant,, the reddish pulp sur- 

 rounding whose seeds yields the 

 red colouring matter known as 

 * arnatto, ' used to give a reddish 

 tinge or colour to butter, cheese, 

 etc. 



blain, n., bldn (AS. blegen, Dut. 

 or Dan. blegne, a boil or pimple), 

 among cattle, a malignant car- 

 buncle in the mouth, and especi- 

 ally on the tongue ; also called 

 glossanthrax, 



blastema, lit, llas-ternf-a (Gr. 

 blastema, a sprout, offspring- 

 from blastano, I bud, I germin- 

 ate), the axis of an embryo ;. the 

 rudimental element of tissues ; an 

 obsolete term for protoplasm. 



blastocolla, n.,.Uasttd-kol'-la (Gr. 

 blastos, a bud.; kolla, glue), in 

 bot., a gummy substance coating 

 buds. 



blastoderm, n., blast'o-derm (Gr. 

 blastos, a bud ; derma, skin), the 

 germinal disc or spot which 

 forms on the egg in the early 

 stage of incubation : blastoderm- 



