Pseudocortex 



(SUPPLEMENT) 



Ptenophyllii 



flowers remain closed, but the 

 genitalia are quite normal in 

 size and function (Hansgirg) ; 

 Pseudocor'tex ( + CORTEX), in cer- 

 tain Algae a tissue of secondary 

 branches appressed to the stem, or 

 cells in the same position (Bennett 

 and Murray) ; Pseu'docysts, pi. 

 (KI/O-TIS, a bag), green protoplasmic 

 bodies destitute of definite cell-wall 

 inProtococcoideae;Pseudoepne'mer 

 ( + EPHEMER), a flower which lasts 

 a little over a day expanded and 

 then finally closes (Hansgirg); 

 Pseudoepinas'ty ( -f EPINASTY) = 

 GEOTKOPISM ; Pseu'do-gen'us ( + 

 GENUS), Lindsay's term for a FORM- 

 GENUS ; a condition, not an in- 

 dependent genus ; pseudogeog'en- 

 ous (777, the earth, yevvdw, 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 ; Pseudohermaphro- 

 di'tism (hermaphroditus, having 

 the characters of both sexes), 

 the occurrence of spermatogeuous 

 filaments within the oogonium of 

 Nitella (Ernst) ; Pseudohybrida'- 

 tion (hybrida, a mongrel), 

 Millardet's term when the re- 

 sultant hybrids are practically 

 the same as either parent, show- 

 ing no signs of crossing ; Pseudo- 

 morphism, the condition of a 

 PSEUDOMORPH ; Pseudonucle'olus 

 ( + NUCLEOLUS), pi. Pseudonuc- 

 le'oli, structures which form part 

 of the chromatic network, and are 

 used up in the formation of the 

 chromosomes (Wager); Pseudo- 

 pareneh'yma ( + PARENCHYMA), a 

 tissue resembling parenchyma, 

 but the cells not organically 

 related ; pseudoparenchy'matous, 

 possessing symphyogenetic cellular 

 tissue; Pseudoperid'ium ( + PERI- 

 DIUM), employed by Maire for the 

 exterior of the sporophore in 

 Endophyllum ; the peridium of 

 the JScidium of the Uredineae 



generally ; Pseudophelloid, cork- 

 like tissue in Angiopteris (Hannig); 

 Pseudoplank'ton ( + PLANKTON), 

 organisms accidentally foui 

 floating (For el) ; Pseudoplasmo'- 

 dium (+ PLASMODIUM), myxa- 

 moebae aggregating into colonies, 

 the first stage of fructification in 

 Acrasieae (Olive) ; Pseu'dopode = 

 PSEUDOPODIUM ; pseudophyllop'o- 

 dpus ( + PHYLLOPODOUS), in Hiera- 

 cium when the lower leaves of a nor- 

 mally aphyllopodous species are 

 more or less appressed to the ground 

 (Zahn) ; pseudop'odal (TTOUS, 7ro56s, 

 a foot), resembling a pseudo- 

 podium (Archer) ; Pseu do-poly em- 

 bryony ( + POLYEMBRYONY), the 

 occurrence of either (a) coalescence 

 of ovules, (6) division of the 

 nucellus, or (c) development of 

 several embryo-sacs in one nucellus 

 (A. Ernst); Pseud'opore ( + PORE), 

 in Sphagnum leaves, thickened 

 rings without perforations (Rus- 

 sow); Pseu'dosperm(<r7r<?/3yua, a seed), 

 MacMillan's term for plants pos- 

 sessing facultative seeds : e.g. 

 Selaginella ; eft EUSPERM ; Pseu'- 

 dospore ( + SPORE), Olive's term 

 for MICROCYST, the resting stage 

 of Acrasieae ; pseudovas'cular ( + 

 VASCULAR), apparently composed 

 of vessels (Williamson) ; Pseudo- 

 vess'els, the components of such 

 tissue ; pseu'do-xeropli'ilous ( + 

 XEROPHILOUS), a subxerophilous 

 condition, the plants exhibiting 

 less sensitiveness to moisture (F. 

 A. Lees) ; pseu'do - unicellular 

 (+ UNICELLULAR), apocytial, as 

 Caulerpa. 



Pallium (i^iXds, bare), a prairie for- 

 mation ; psiloc'ola (colo, I inhabit), 

 and psilophllUB (0tXew, I love), 

 inhabiting treeless prairies ; Psilo- 

 phy'ta (<p\)Tbv, a plant), prairie 

 plants (Clements). 



Psychrocleistog'amy (\j/yxpfa, cold, + 

 CLEISTOGAMY), Cleistogamy in- 

 duced by want of warmth (Hans- 

 girg). 



PtenophyUlum ("irTr)v6<t>v\\os, with 



352 



