polysiphonous 



pontic 



filament of several coherent longi- 

 tudinal rows of cells ; porysperm, 

 polysper'mal, polysperm'atous, poly- 

 Bpenn'ous, -mus, {a-irep/xa, a seed), 

 when a pericarp has numerous seeds ; 

 polysporan'giate (+ Stohangium), 

 having many sporangia ; Poryspore 

 (o-TTopo, a seed), a multicellular spore 

 composed of Merispores (Bennett 

 and Murray) ; poryspored = poly- 

 SPOROUS ; polyspor'ous, containing 

 many spores, used of Cryptogams, 

 as in asci when more than four or 

 eight spores occur ; polys'tachous 

 (Croziei) = polystach'yous {arrdxvs, 

 a spike), having many spikes ; poly- 

 ste'lic, polystelous (+ Stele), with 

 more than one plerome stiand at 

 the gi-owing point, so that the stem 

 has more than one stele, as in 

 Gunnera; Polyste'ly, the condition' 

 specified ; adj. polyste'lic ; poly- 

 ste'monous, -nus {ar-nfiwu, a fila- 

 ment), having many stamens, poly- 

 androus). 



polyst'lchous {iroXva-Tixos, in many 

 lines), when leaves are borne in 

 many series, as the leaf-scars in 

 Caulopteris. 



poly8tig'mus(7roAi;s, many, -f Stigma), 

 with many carpels, each originating 

 a stigma ; polys'tomous, -rrncs {aT6na, 

 a mouth), many-mouthed, with 

 numeious suckers or haustoria ; 

 polystroiDat'ic (+ Stroma), possess- 

 ing many stromata ; poly sty 'lous, 

 ■lus (-f Style), with several styles ; 

 poly symmet'r leal {au/i/jLerpla, apt 

 proportion), having bilateral sym- 

 metry in more planes than one, 

 actinomorphie ; polytax'ic {Tci^is, 

 order), a character varying in a 

 discontinuous manner (Coutagne) ; 

 polythalam'ic {du\afios, a bed- 

 chamber), (1) having more than one 

 female flower within the involucre ; 

 (2) derived from more than one 

 flower, as a collective fruit ; poly- 

 the'leui {dr]\}), a nipple), used of a 

 flower which contains several dis- 

 tinct ovaries ; polyt'ocous, -cus, 

 {T6K0i, a birth), fruiting year after 

 year, caulocarpous ; polyt'omous, 



-771US {rojxi], a cutting), apparently 

 pinnate, but the" pinnae not articu 

 lated to the common petiole ; Polyt'- 

 omy, (1) in an inflorescence, having 

 more axes than in dichotomy ; (2) a 

 false pinnation ; polytop'ic {tSttos, 

 a place) applied to species supposed 

 to be of independent origin in more 

 than one place. 



polytricha'ceous, resembling or akin 

 to PolytricJium ; Polytriche'tum, a 

 formation of the genus Polytrichnm ; 

 poly tricho'sus, employed by Nilsson, 

 Avhen the ground under heather is 

 carpeted with mosses. 



polyt'richous {iroKhs, many ; 0pf|, 

 TpiX^s, a hair), having many hairs ; 

 polytroph'ic {rpofpri, food), obtaining 

 food from a wide area of selection 

 (Jones) ; polytrop'ic, Loew's term for 

 bees which ^isit a wide circle of 

 flowers ; Polyt'ropism {rpoiri], a 

 twining), Archangeli's term when 

 leaves place their lamina vertically 

 and meridionally, the two surfaces 

 facing east and west ; polytyp'ic 

 {tvitos, a type), applied to a genus 

 having seveial species ; Polyx'eny 

 (leVo?), a guest), = Plkioxeny ; 

 Polyzygo'sis iC^y^s, a yoke), the 

 conjugation of more than two 



^ gametes (Crozier). 



"pomsi' ceous. {pomum), a fruit, -^-ace 

 ous), relating to apples ; poma'ceus, 

 (Lat.), apple-green (Hayne) ; Pome, 

 Po'mum, an inferior fruit of several 

 cells, of which the apple is the 

 type. 



pomeridia'nus (Lat.), in the after- 

 noon. 



pomif'ei'ous po'mifer {pomum, a fruit ; 

 fcro, I bear), pome-bearing ; po'- 

 niiform, poniiform'is {forma, shape), 

 shaped like an apple ; Pomol'ogy, 

 Pumolo'gia {x6'yos, discourse), the 

 science of edible cultivated fruits. 



Pomo'na, an account of the fruits cul- 

 tivated in any given district or 

 country ; the name is mythological. 



pon'tic, belonging to the ancient 

 Pontus, (1) the Black Sea ;• (2) a 

 north-eastern province of Asia 

 Minor. 



298 



