bijugous 



bipeltate 



tus, biju'gous (jugum, a, yoke), 

 applied to a pinnate leaf, with two 

 pairs of leaflets ; bila'biate, bilabia'- 

 tus (labium, lip), divided into two 

 lips, as are many gamopetalous corol- 

 las, etc. ; bilam'ellar, bilam/ellate, 

 bilamella'tus (lamella, a thin plate), 

 consisting of two plates, as some 

 placentae ; bilat' eral, bilatera'lis 

 (latus, side), arranged on opposite 

 sides, as the leaves of the yew ; 

 bilo'bate, biloba'tus, bilo'bed (Xo/8os, 

 the ear-flap), divided into two 

 lobes, as most anthers, or the 

 leaves of Bauhinia ; bilocell'ate 

 (locellus, a small compartment), 

 made up of two locelli ; biloc'ular, 

 bilocidar'is (loculus, a compart- 

 ment), two -celled ; bimac'ulate 

 (mac'ula, a spot), with two spots. 



bimes'tris (Lat.), of two months' 

 duration. 



bi'mus (Lat. ), lasting for two years. 



bi'nary bina'rius (bini, by twos), con- 

 sisting of two members ; bi'nate, 

 bina'tus (Lat.), (1) where a leaf is 

 composed of two leaflets at the 

 end of a common petiole ; (2) a 

 simple leaf nearly divided into 

 two ; bina'tim (Lat.), in pairs ; 

 bina'to-pinna'tus J = BIPINNATE. 



biner'vate (bi, two, nerincs, a nerve), 

 with two nerves, especially if pro- 

 minent ; binervula'tus J (Lat.), 

 having two vascular strands. 



bi'ni (Lat.), two together, twin ; as 

 biniflor'us, bearing flowers on pairs. 



bino'dal, bino'dia (bi, two, nodus, a 

 knot), consisting of two nodes. 



bino'mial (bi, two, nomen, a name), in 

 botaninomenclature, the use of a 

 genenc^nH ^specifier name to con- 

 note a given organism ; used also 

 for NEWTONIAN CURVE. 



bi'nous, bi'nua (Lat.), in pairs ; cf. 

 BINI. 



binu'clear, binu'cleate (bi, two, 

 nucleus, a kernel), having two 

 nuclei; binu'cleolate, binucleola'tua 

 (Lat.), with two nucleoli. 



Bi'oblast (/3fos, life, jSXao-Tos, a shoot), 

 term proposed by Schlater for the 

 unit of life, comprising autoblasts, 



o 33 



or free existing bioblasts, and 

 cytoblasts or colonies of such bio- 

 blasts as have lost their independent 

 existence ; cf. BIOPHOR. 



bioc'ellate (bi, two, ocellus, a little 

 eye), marked with two eyespots. 



Biogen'esis (/3t'os, life, 7^ecrts, begin- 

 ning), the doctrine of life from life, 

 the production of organisms from 

 others already in existence ; in 

 opposition to Spontaneous Genera- 

 tion ; biog'enous (7^0$, race), grow- 

 ing on living organisms ; Biog'eny, 

 the evolution of living forms, in- 

 cluding ONTOGENY and PHYLOGENY; 

 Biol'ogy (Xo7os, discourse), the 

 science which investigates vital 

 phenomena, both of plant and 

 animal ; biolyt'ic (\v<ris, a loosing), 

 destructive of life ; Bi'on, an indi- 

 vidual, morphologically and physi- 

 ologically independent ; Bionom'ics 

 (vofjios, a law), Geddes's term to 

 express Phytobiology, the oecology 

 of plants ; in German, Pflanzen- 

 biologie ; bioph'agous (<f>dyos, a 

 glutton), feeding on living organ- 

 isms, truly parasitic ; Bi'oplasm 

 (ir\dcr/j,a, moulded), Beale's name 

 for PROTOPLASM; bioph'ilous (0tXe'w, 

 I love), used of Fungi which are 

 parasitic on leaves or stems of 

 living plants ; Bi'ophor (0opew, I 

 carry), G. C. Bourne's name for the 

 cell, as the vital unit. 



bipal'eolate, Upcdeola'tus (bi,+pale- 

 o/a), consisting of two paleae, or 

 small scales in grasses ; bipaT- 

 mate, bipalma'tus (palma, the palm 

 of the hand), twice palmate, palm- 

 ately compound ; bip'arous (pario, 

 I bring forth), bearing two ; *~ Cyme, 

 Bravais's expression for a normal 

 dichotomous inflorescence ; bipar- 

 t'ible, bipartib'ilis, bipar'tile (par- 

 t'ilis, divisible), capable of ready 

 division into two similar parts ; 

 bipartite, biparti'tus (Lat. ), divided 

 nearly to the base into two portions; 

 Bipartit'ion, the act of dividing into 

 two ; bipect'lnate (pecten, a comb), 

 toothed like a comb on two sides ; 

 bipelt'ate (pelta, a shield), having 



