biperennial 



bitem&te 



used of a part that lives two years, 

 but reproduces itself indefinitely 

 (Crozier) ; bipet'alous [ireraKov, a 

 flower leaf), Blair's term for two- 

 petalled flowers, as Circaea ; bipen- 

 taphyirus (trivrr], five ; <pv\\ov, 

 leaf), having from two to five leaflets. 



bi'pes (Lat., Lwo-footed) = bickuris. 



bipin'nate bipinna'tus {pinnatus, fea- 

 thered), when both primary and 

 secondary divisions of a leaf are 

 pinnate ; bipinnat'ifid, bipinnati/'i- 

 dus, when the divisions of a pinna- 

 tifid leaf are themselves pinnatifid ; 

 bipinnatipart'ed = bipinnatifid ; bi- 

 pinnat'isect, bijnnnatisect' v^ {sec- 

 tics, cut) = bipinnate ; bi'plicate, 

 biplica'tus (plico, I fold), doubly 

 folded in a transverse manner, as 

 some cotyledons ; bipo'lar {polus, 

 the end of an axis), having two 

 poles, the usual number in nuclear 

 division ; -^ Ezpau'sion, growth at 

 both extremities, root and shoot; 

 Bipolar'ity, (1) the condition of 

 possessing two poles ; (2) in dis- 

 tribution when the same species is 

 found towards the north and south 

 poles, but is wanting in intermedi- 

 ate regions ; bipolymor'ious + {ttoXvs, 

 many ; /x6piov, a small portion), con- 

 sisting of two or many parts ; bipo'- 

 rose, biporo'sus {poms, channel), 

 opening by two pores as the anthers 

 in Erica; biprophylla'tuB (+ Pro- 

 piiylla), Buchenau's term for 

 possessing two prophylla (Vor- 

 blatter) ; bipunc'tate (punctnm, a 

 point), having two spots ; bira'- 

 diate, biradia'tus {radius, the spoke 

 of a wheel), of two rays, as in certain 

 umbels. 



Birch'wood Association, characteristic 

 of the Highland valleys above the 

 limit of the oak. 



biri'mose, biritno'sus {bi, two ; rima, 

 a chink), opening by two slits as most 

 anthers ; bisac'cate {saccus, a bag), 

 having two pouches. 



biscoctifonn'ia {bis, twice ; cod us, 

 cooked ; forma, shape), biscuit- 

 shaped, applied by Koerber to some 

 Lichen-spores. 



biscuit-shaped, wlien used in transla- 

 tions from the German, means 

 oblong, and slightly constricted in 

 the middle. 



bisep'tate, bisepta'tus{bi, two; septum, 

 a wall), having two partitions ; 

 bise'rial, biseria'lis, bise'riate, 

 biseria'tus {series, a succession), 

 arranged in two rows as on a flat 

 surface ; biser'rate, biserra'tus {serra, 

 a saw), twice serrate, as when the 

 serratures are themselves serrate ; 

 bise'tose, bise'tous {seta, a bristle), 

 with two bristles ; bisex'ual, bisex- 

 ua'lis {sexus, sex), having both sta- 

 mens and pistils, possessing perfect, 

 that is, hermaphrodite flowers ; -^ 

 Hered'ity, transmission of qualities 

 of both parents ; bispatheriulate, 

 bispathelhtla'tusX (-}- Spathella), 

 consisting of two glumes (Lindley) ; 

 bispi'nose {spiuo'sus, thorny), having 

 two spines ; bispi^'rous (tnrctpo, a 

 twist), term used by Spruce for 

 elaters having two spirals ; cf. dis- 

 piRous ; bisporang'iate (-[-Spor- 

 angium), (1) used when a plant 

 possesses two sporangia in place 

 of one ; (2) amphisporang[ate ; 

 Bi'spore {airopa, seed), (l)"atwo- 

 spored tetraspore " (Crozier) ; (2) an 

 ascus with two cells, in place of the 

 normal eight ; biste'lic ((tt^Xt?, a 

 pillar), having two steles ; bistip'- 

 ulate (-f Stipula), with two stip- 

 ules ; bistip'ular, bistipulate ; bis- 

 tra'tose {stratum, a layer), cells 

 disposed in two strata or layers; 

 bistri'ate {striatus, striped), marked 

 with two parallel lines or striae; 

 bisulc'ate bisulca'tus {sulcus, a 

 groove), two-gi'ooved ; bisymmet'ric 

 {(rvfifierpos, commensurate), bilateral 

 symmetric, each side alike ; Biteg- 

 mina'tae {tegmen, a cover), Van 

 Tieghem used this for Phanerogams 

 whose seeds have double integu- 

 ments; biteg'minous, used of ovules 

 possessing double integuments; the 

 condition is Biteg'miny (Balfour); 

 bitem'ate, bitenia'tus {ternus, by 

 threes), compound ternate, as in a 

 leaf. 



51 



