paleous 



Panicle 



lif'erous (fero, I bear), bearing 

 paleae ; pa'leous, chaffy. 

 Paleophytol'ogy = PALAEOPHYTOLOGY. 



Palingen'esis (ird,\iv, again, 



a beginning), Haeckel's term for 

 the doctrine of simple descent ; 

 also written Palin'geny. 



Palisade Cells, perpendicular elong- 

 ated parenchyma cells on the sur- 

 face of most leaves ; ~ Farench'yma, 

 ~ Tis'sue, tissue composed of the 

 said cells. 



pal'lens (Lat. , wan), pale in colour; 

 palles'cent, becoming light in tint ; 

 pallid, pal'lidus, somewhat pallid ; 

 pallid'ulus, slightly pallid. 



Pal'lium (Lat. , a covering or garment), 

 a presumed gelatinous envelope of 

 Diatoms. 



Palm (pal-ma, the palm of the hand), 

 three inches, the width of the 

 hand ; <- veined = PALMATELY 

 VEINED; palmar'is (Lat.), the 

 breadth of the palm, about three 

 inches ; pal'mate, palma'tus, lobed 

 or divided, so that the sinuses 

 point to the apex of the petiole ; 

 pal'mately, in a palmate manner, as 

 <~ cleft = PALM ATIFID ; ~ com'pound, 

 <~ divi'ded, ~ lobed = PALMATILO- 

 BATE ; -~ nerved = PALMATINEBVIS ; 

 ^part'ed = PALMATIPAKTITE ; <~ 

 veined = PALMATINERVIS ; palma- 

 tiform'is (forma, shape), the 

 venation arranged in a palmate 

 manner ; palmat'ifid, palmatif'idus 

 (findo, fidi, to cleave), cut in a 

 palmate fashion nearly to the 

 petiole ; palmatilo'bate (tobatits, 

 lobed), palmately lobed ; palmati- 

 ner'vis (nerrus, a nerve), palmately 

 nerved ; palmatipart'ite (partitus, 

 divided), cut nearly to the base in 

 a palmate manner ; palmat'isect, 

 palmatisect' us (sectus, cut), pal- 

 mately cut. 



Palmel'la (TraX/xos, palpitation), the 

 zoogloea stage of Schizomycetes, 

 etc., when embedded in a jelly-like 

 mass ; not to be confounded with 

 the algal genus, Palmella, Lyngb. 



Palmel'lin, Phipson's name for the 



colouring matter of Palmella cru- 

 enta, Agh. ; palmel'loid (eldos, re- 

 semblance), characteristic of the 

 genus named. 



palmiferous (palma, a date palm, 

 fero, I bear), producing palms. 



pal'miform (palma, palm of the 

 hand, forma, shape) = PALMATI- 

 FORM ; palminer'ved, palminer'uis 



= PALMATINERVIS. 



palmitic (palma, a palm), relating 

 to palms, as ~ Acid, derived from 

 Pal'mitin, a glyceride, a solid fat 

 occurring in palm oil. 



Pal'mus (Lat., the palm of the hand), 

 as a measure may denote a SPAN 

 or a PALM, nine inches or three. 



palu'dal (palua, a marsh), Watson's 

 term for natives of marshes, wet 

 all through the year ; pal'udine, 

 palu'dinous (Crozier) = pal'udose, 

 paludo'sus (Lat., boggy), growing 

 in marshy places. 



palumbi'nus (Lat., of wood-pigeons), 

 lead-coloured. 



palus'ter (Lat., swampy), palus'trine, 

 palus'tris, inhabitating boggy 

 ground ; the latter Latin form is 

 more usual in botanic usage. 



pam'piniform (pampinus, a tendril, 

 forma, shape), resembling the ten- 

 dril of a vine. 



Pan-apos'pory (was, TTO.VTOS, all, + 

 APOSPORY), the condition of pro- 

 thalli being developed aposporously 

 over the entire surface of the frond. 



pan'durate, pandura'tus (pandura, a 

 musical instrument), fiddle-shaped, 

 as the leaf of Rumexpulcher, Linn. ; 

 pandu'riform (forma, shape), re- 

 sembling the same. 



Pangen'esis (irds, iravros, all, ytvecris, 

 beginning), a theory that each 

 separate unit of a body throws off 

 minute gemmules during all stages 

 of development, which may develop 

 it once, or remain dormant and be 

 transmitted through the repro- 

 ductive cells to later generations ; 

 Pan'gens, De Vries's term for the 

 active particles assumed in Dar- 

 win's theory of Pangenesis. 



Panicle, Panic' ula (Lat., a tuft), 



180 



