Fsendofeoondation 



Psendonucleol 



combine to form the egg, the other 

 two form the albumen (Guignard) ; 

 Pseudogam'etange (+ Gametange), 

 certain swellings in Ascomycetes 

 which give rise to gametophores 

 (Dangeard) ; Pseudog'amy {ydfxos, 

 marriage), (1) parthenogenetic fruit- 

 ing, as pollination without impregna- 

 tion of ovules ; (2) the fusion of two 

 vegetative nuclei (Fraser and Cham- 

 bers) ; (3) a pseudosexual copulation 

 of two cells not specially differenti- 

 ated for reproduction (Hartmann) ; 

 Pseu'do-gen'uB (+ Genus), Lindsay's 

 term for a Form-Genus ; a condition, 

 not an independent genus ; pseudo- 

 geo^'enouB (7^, the earth ; yewdw, 

 I bring forth), intermediate between 

 dys- and eugeogenous rocks, such as 

 Yoredale Limestones (F. A. Lees) ; 

 pseudogran'ular (+ granular), a 

 state resembling granulation, but 

 not truly so ; pseudogyra'tus {yvphs, 

 curved), falsely ringed, as when the 

 annulus is confined to the vertex of 

 the sporangium in Ferns ; Pseado- 

 haustor'ium ( + Haustorium), an 

 immature or rudimentary organ 

 observed in seedlings of Cuscuta 

 (Kinzel) ; p8eu'do-hermaph''rodite 

 (+ hermaphrodite), Kerner's term 

 for flowers which have become func- 

 tionally unisexual by the suppression 

 of either stamens or pistils ; Pseudo- 

 hermaphrodi'tism {hennaphroditics, 

 having the characters of both sexes), 

 the occurrence of spermatogenous 

 filaments within the oogonium of 

 Nitella (Ernst) ; Pseudohybrida'tion 

 {hyhrida, a mongrel), Millardet's 

 term when the resultant hybrids 

 are practically the same as either 

 parent, showing no signs of crossing ; 

 Pseudohyme'nium (+ Hymenium), 

 a covering of sporidia, resembling 

 the hymenium of Fungi ; Pseudoim- 

 pregna'tion (+ Impregnation), the 

 coalescence of the two nuclei of the 

 cells of a teleutospore ( Dangeard and 

 Sapin-Trouffy) ; Pseudola'tex ( + 

 Latex), Heckel's term for an abun- 

 dant gummy juice, white or colour- 

 lew, in certain species of Vanilla; 



Pgeudoli'ber (-f Liber), Guillaud's 

 term for libriform tissue, derived 

 from secondary meristem without 

 genetic aflfinity with the cambium or 

 vascular bundles ; Pseadoli'clien ( + 

 Lichen), a Lichen which does not 

 possess an algal layer of its own, 

 but is parasitic on another Lichen - 

 thallus; Pseud'o-ma'qui, a xero- 

 ph'ytic evergreen bush-formation, 

 capable of withstanding a severer 

 winter than Maqui ; Pseudomeio'sis 

 (+ Meiosis) = Pseudo-reduction ; 

 FBeadomito'sis (+ Mitosis), nuclear 

 division intermediate between mitosis 

 and amitosis in the teleutospores of 

 Coleosporium Tussilaginis ; after the 

 spireme the chromatin becomes gran- 

 ular and no chromosomes are formed 

 (Blackmau) ; Pseadomizls {yu^is, a 

 mingling) = Pseudapogamy ; adj. 

 pseudomic'tio ; Pseadomoncootyle'- 

 don (-f Monocotyledon), in Di- 

 cotyledons the early abortion of one 

 of the cotyledons, as in Capsella 

 (Pax) ; pseudo-monocotyle'donouB 

 (+ Monocotylkdon), having two or 

 more cotyledons consolidated into a 

 single mass, as in the Horse-Chest- 

 nut ; '-' Em'bryo, having one coty- 

 ledon only developed, although two 

 were originally indicated ; PBeu'do- 

 morph {fjiopip^, a form), an unusual 

 or altered form, a term borrowed 

 from mineralogy ; Pseadomorph'ism, 

 the condition of a Pseui'Omorph ; 

 pseudomorphy'tUB ((pvrhv, a plant), 

 when a capitate inflorescence affects 

 the form of a capitulum of Composi- 

 tae; P8eudonemathe'cium(+ Nema- 

 thecium), a thread-like body in 

 certain Algae, which is now stated 

 to be a parasitic Alga, Actinococcus 

 suhcutaneus, K. Rosen v. (Darbishire); 

 Pgeudonod'ule (+ Nodule), a space 

 on a Diatom valve devoid of mark- 

 ings resembling a nodule, but not 

 thickened ; Pseudonu'cleole (-f Nu- 

 cleole), described by Rosen as a 

 cyanophiloua nucleole ; Pseadonu- 

 cle'oluB (+ Nucleolus), pi. Pseudo- 

 nucle'oli, structures which form part 

 of the chromatic network, and arc 



311 



