pseudospermic 



Ptychoda 



of Labiatae, adj. pseudosper'- 

 mic ; pseudosper'micus ; pseudos- 

 per'mous ; Pseudosporan'ge, Pseu- 

 dosporan'gium ( + SPORANGIUM), an 

 organ producing gemmae or pro- 

 pagula, a simulated sporangium 

 (Davis) ; Pseud'ospore (<riropa, a 

 seed), a gemma or asexual vegeta- 

 tive bud ; Pseu'dostele ( + STELE), 

 when a petiole assumes the con- 

 ditions of a stem, with similar 

 arrangement of tissues (Tansley) ; 

 Pseudostau'ros ( + STAUEOS), a 

 broadening of the stauros in some 

 Diatoms ; pseudoster'eus $ (orepeds, 

 solid), partly grown together, as the 

 bud-scales of the crown-imperial ; 

 Pseudostro'ma ( + STROMA), the 

 perithecium of certain Fungi ; 

 Pseudosyn'carp ( + SYNCARP), a col- 

 lective fruit ; cf. SYNCARP ; Pseu- 

 dothal'lua $ ( + THALLUS), the axis 

 of a crowded inflorescence as a 

 Glomerule or Umbel ; Pseudotri- 

 ch'ophore ( + TRICHOPHORE), a vege- 

 tative filament of Algae, which 

 simulates a trichophore ; Pseu- 

 dovivip'ary ( + VIVIPARY), the pro- 

 duction of leafy rooting shoots in 

 the floral region, side by side with 

 the flowers, as in Juncus bufonius, 

 Linn. (Potonie") ; Pseu'do-yeast ( + 

 YEAST), any yeast which does not 

 produce fermentation ; Pseudozy'- 

 gospore ( + ZYGOSPORK) = AZYGOS- 

 PORE. 



psilo- (^tXos), a Greek prefix, usually 

 meaning slender, but more cor- 

 rectly used for bare or naked, as 

 psilostach'ys, which is cited by A. 

 Gray as bare-spiked, under the 

 form psilostach'yus. 



Psychoph'ilae (Psyche, 0iXeo>, I love), 

 plants which are fertilized by 

 diurnal lepidoptera, possessing 

 brightly coloured flowers, with 

 honey in the flower-tube. 



Psychrokli'ny (i/'tfxpos, cold, K\Lvu, I 

 incline), Voechting's term for the 

 behaviour of growing parts under 

 the influence of low temperatures ; 

 psychromet' ric (i^rpov, a measure), 

 applied by Pfeffer to the hygro- 



metric movements of plants ( Voech- 

 ting). 



psydomorphyt'us = PSEUDOMORPHY- 

 TUS. 



Pteram'pelid (a-re/Ms, a fern, ApireXos, 

 a vine), any climbing Fern (J. 

 Smith). 



ptera'tus (irTepov, a wing), winged; 

 Pterid'ium, Pterid'ies = SAMARA. 



Pteridograph'ia (irrepis, wrepldos, a 

 fern, ypaffi, a writing), a treatise 

 on Ferns, or the science of Ferns ; 

 shortened by J. Smith to Pteri- 

 graph'ia ; Pterig'raphist, and Pterl- 

 graph'ilist (<f>i.y*w, I love), a writer 

 on Ferns ; pter'idoid (elSos, resem- 

 blance), used by E. Newman for 

 Fern-like, as - Ac'rogens ; Pterldo- 

 phyte (<f>vTov, a plant), a Fern, or 

 closely allied plant. 



pterig'ynus (irrepov, a wing, yvrq, a 

 woman), wing-seeded ; pterocar'- 

 pous, -pus (/ca/)7ros, fruit), wing- 

 fruited ; pterocaulous, -Us (/rai/X6s, 

 astern), wing-stemmed; Ptero'dium, 

 = SAMARA ; pterogo'nus (yuvLa, an 

 angle) ; pter'oid, pteroi'dtua (eldos, 

 resemblance), (1) having an eleva- 

 tion of surface assuming a wing-like 

 appearance ; (2) J. Smith uses 

 " pteroid " for Fern-like ; pterop'o- 

 dous (TTOI/S, TroSos, a foot), wing- 

 footed, the petiole being marginally 

 winged ; pterosper'mous, -mus 

 (ffirepfjia, a seed), with the seeds 

 winged ; pteryg'ynus (71/^17, a 

 woman), wing-seeded. 



Pteryg'ium (irreptyiov, a little wing), 

 a wing. 



pteryg'opous, -pus (vr4pv^ f a wing, 

 TOUS, 7ro5os, a foot), having the 

 peduncle winged ; pterygoBperm'- 

 ous, -mus (o-irepua, a seed),=ptero- 

 spermous. 



Pto'malne (7rru)/ia, calamity, corpse), 

 used of any alkaloid due to the 

 activity of pathogenous bacteria. 



Pty'alin (imjaXott, saliva), a ferment 

 contained in saliva which trans- 

 forms starch into a sugar capable 

 of fermenting. 



Pty'chode, Ptycho'dea (TTT^, TTTVXOS, 

 a fold), the primordial utriclQ ; 



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