pseudostauros 



ptenothalophilas 



ing of the stauros in some Diatoms ; 

 Pseud'ostele (+ -Stele), when a 

 petiole assumes the conditions of 

 a stem, -with similar arrangement of 

 tissues (Tansley) ; adj. pseudoste'lic ; 

 pseudoster'eus + {<TTepehs, solid), 

 })artly grown together, as the bud- 

 scales of the crown-imperial ; Pseu- 

 dostip'ules (+ Stipule), lowermost 

 leaflets in Crataegus, Cineraria, etc., 

 the true stipules being parts of the 

 leaf-sheath (Worsdell) ; Pseudostro'- 

 ma (-f Stroma), the perithecium of 

 certain Fungi ; Pseudostroph'iole 

 (-f STRorHiOLE), Sernander's term 

 for a part of the floral axis which 

 remains attached to the nutlets in 

 Labiatae; pseudosynap'tic (-+- Syn- 

 apsis), shrunk together, as in syn- 

 a{)si8 of the nuclear filament in 

 mitosis ; pseudoter'minal [tenninalis, 

 pertaining to boundaries), intercalary 

 inflorescence ceases and a false ter- 

 minal flower appears (Parkin) ; Pbbu- 

 doty'pe (TufTos, a type), an erroneous 

 indication of a type (0. F. Cook) ; 

 adj. pseudotyp'ic ; Pseudosyn'carp 

 ( + Syxcarp), a collective fruit ; 

 cf. Syncarp; Pseudotharius % ( + 

 Thallus), the axis of a crowded 

 inflorescence as a Glomerule or 

 Umbel ; Pseudotrich'ophore (-f Tei- 

 chophore), a vegetative filament of 

 Algae, which simulates a tricho- 

 phore ; pseu'do-nnicel'lular (+ uni- 

 cellitlah), apocytial, as Caxilerpa ; 

 pseudovas'cular ( -f vascui-ak), 

 apparently composed of vessels 

 (Williamson); Pseudo-vess'els, the 

 components of such tissue ; Pseudo- 

 vivip'ary ( + A^ivipary), the pro- 

 duction of leafy rooting shoots in 

 tiie floral region, side by side with 

 tlie flowers, as in Juncus hnfoniiis, 

 Linn. (Potonie) ; pseu'do-xeroph'- 

 ilous (4- xerophilous), a subxero- 

 philous condition, the plants ex- 

 hibiting less sensitiveness to moisture 

 (F. A. Lees); Pseu'do-yeast ( + 

 Yeast), any yeast whicli does not 

 produce fermentation ; Pseudozy'- 

 gospore {-{■ Zygo.spore) = Azygo- 



8P0RE. 



31 



psilo- (v^tA-bs), a Greek prefix, usually 

 meaning slender, but more correctly 

 used for bare or naked. 



Psi'lad {^ixhs, bare, -f ad), a prairie 

 plant (Clements) ; Psili'um, a prairie 

 formation ; psiloc'ola (coZo, I inhabit), 

 and psiloph'ilus (4>jAea>, I love), in- 

 habiting treeless prairies : Psilo- 

 phy'ta, Psi^'lophytes {(pvrhv, a plant), 

 prairie plants (Clements); pailo- 

 stach'ys, which is cited by A. Gray 

 as bare-spiked, under the iormpsilo- 

 stach'yus. 



psilota'ceous, resembling Psilotum. 



Psychoph'ilae {Psyche, (pi\4'jo, I love)» 

 plants which are fertilized by diur- 

 nal lepidoptera, possessing brightly 

 coloured flowers, with honey in the 

 flower tiibe. 



psychro- {\puxpos, cold), Drude's prefix 

 for "frost." 



Psychrocleistog'amy {ri/vxphs, cold, + 

 Cleistogamy), cleistogamy induced 

 by want of warmth (Hansgirg) ; 

 Psy'chrograph {ypd<poi>, I write), a pay- 

 cluometer which records automati- 

 cally ; Psychrokli'ny {kKIuw, I in- 

 cline), Voechting's term for the 

 behaviour of growing parts under 

 the influence of low temperatures ; 

 Psychrom'eter {/xeTpov, a measure), 

 an instrument for measuring humi- 

 dity by the fall of temperature ; 

 psy chrome t'ric, applied by Pfeff'er 

 to the hygrometric movements of 

 plants (Voechting); Psy'chrophytes 

 (4>vTov, a plant), alpine plants, on 

 soil which hinders root-action by its 

 low temperature. 



psydomorphy'tus=PSEUDOMORPHYTUs. 



Ptenophylli'um {'''nrriv6<pvKXos [late 

 Greek!, with deciduous leaves"), a 

 deciduous forest formation ; pteno- 

 phylloph'ilus {(piKiw, 1 love), dwell- 

 ing in deciduous forests; Pteno- 

 phyllophy'ta {(pvThv, a plant), de- 

 ciduous forest plants, 



Ptenophyti'uin (irTT?vb$, winged ; <pvr6v^ 

 a plant), intermediate plant forma- 

 tion (Clements). 



Pteaothali'um ( " irTTjvoeoATjs, decidu- 

 ous "), a deciduous thicket forma- 

 tion ; pteuothaloph'ilus {(fnXea), I 



3 



