parasitised 



Partition 



parasiti'sed, infected by a parasite ; 

 Par'asitism, the state of preying 

 upon another organism ; Paras- 

 perma'tia ( + SPERMATIA), small 

 reproductive bodies resembling 

 spores, found in some Algals 

 (Lindley). 



Paras'tades (TrapauTas, a door-post), 

 the coronal rays of Passiftora, cf. 

 PAKAPETALA. 



Parasta'men ( + STAMEN) or Paraste'- 

 mon ((TT-qfjuav , a filament), an abor- 

 tive stamen, a staminodium. 



Parast'ichy, Parastich'ies (napa, from 

 beside, cm'xos, a series), a secondary 

 spiral in phyllotaxis ; Par'astyle ( + 

 STYLE), an abortive style ; Para- 

 symbio'sis (+ SYMBIOSIS), when 

 the hyphae of a parasite envelope 

 the algal constituents of a Lichen 

 and inflict injury (Zopf); parather- 

 motrop'ic (0ep,u6s, warm, TPOTTTJ, a 

 turning), proposed by Macfarlane 

 for paraheliotropic, is such cases as 

 the movements of leaves inDrosera, 

 Oxalis and Mimosa ; paraton'ic 

 (rdvos, tension), effect of light in 

 retarding growth ; paratransver'- 

 san (transversus, lying across), used 

 of the planes parallel to the tracs- 

 versan plane of a Diatom frus- 

 tule (0. Mueller) ; paraval'var 

 ( + VALVE), applied to those planes 

 which are parallel to the valvar 

 plane of a Diatom, either epithecal 

 or hypothecal (O. Mueller). 



Parench'yma (irapeyxeu, I pour in 

 beside), used by Grew, and since 

 his time for the tissue composed of 

 cells more or less isodiametric, 

 especially such tissue as the 

 pith and mesophyll ; parenchy'- 

 matous, consisting of parenchyma, 

 spongy, porous. 



Parich'nos (napa, beside, I'XPOS, afoot- 

 print), the two lateral prints on 

 the leaf-scar of Lepidodendreae. 



Par'ies (Lat. , a house wall), pi., 

 Par'ietes, the wall of any organ ; 

 pari'etal, parieta'lis, borne on or 

 belonging to a wall ; ~ U'tricle, used 

 by Noll for the layer of proto- 

 plasm next the cell-wall ; Pari'etin, 



the colouring matter found in the 

 Lichen, Physcia parietina, De Not. 

 paripin'nate, paripinna' tus (Lat.), 

 pinnate, with an equal number of 

 leaflets, that is, without a ter- 

 minal one. 



paroe'cious (vapa, from beside, ol/cos, 

 a house), in Mosses, having the 

 male and female organs in the 

 same inflorescence, the male naked 

 in the axils of the lower bracts ; 

 paroi'cous is a synonym ; Paror- 

 thot'ropism (6p6os, right, rpoTrrj, a 

 turning), Archangeli's term when 

 leaves place themselves with the 

 lamina vertical, but not necessarily 

 meridional. 



part'ed, part'ite, parti' tus (Lat.), 

 cleft, but not quite to the base. 



Parthenogam'ete (irapdevos, virgin + 

 GAMETE), a gamete which develops 

 without pairing (Hartog) ; Partho- 

 gen'esis (ytveais, origin), a form of 

 apogamy in which the oosphere de- 

 velops into the normal product of 

 fertilisation without a preceding 

 sexual act ; Parthenog'eny (yevos, 

 race, offspring), has the same mean- 

 ing ; Parthenogonid'ia (701/6$, off- 

 spring), reproductive cells in a 

 colony of Volvox Globator, Linn., 

 acting asexually ; Par'thenosperm 

 (ffirepfj.a., a seed), a body resembling 

 a zygospore, but not resulting from 

 the coalescence of the contents of 

 two sexually different cells ; Par'- 

 thenospore (airopa, a seed), is the 

 same thing. 



par'tial, partia'lis (Lat.), in botany 

 usually means secondary, as ~ In- 

 volu'cre, ~ Ped'uncle, ~ Pet'iole, 

 ~ Urn'bel; it is opposed to ' 'general." 



par'tible, partib'ilis (Lat., divisible), 

 ultimately separating, or easily 

 separable. 



par'tim (Lat.), partly; other ex- 

 pressions are ex parte, pro parte. 



Partition (partitio, a division into 

 parts), (1) a wall or dissepiment ; 



(2) a separated part or segment ; 



(3) the deepest division into which 

 a leaf can be cut without becoming 

 compound (Lindley). 



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