Ptenophyllophilus 



(SUPPLEMENT) 



reparative 



deciduous leaves "), a deciduous 

 forest formation ; ptenophyllopli'- 

 ilus (^t\^w, I love), dwelling in 

 deciduous forests ; Ptenopnyllo- 

 phy'ta (<t>vrbv t a plant), deciduous 

 forest plants. 



Ptenophy'tia (irTtjvbs, winged, <f>vroi>, 

 a plant), intermediate plant for- 

 mations (Clements). 



Ptenotha'lium (" irTyt'odaXfy, deci- 

 duous"), a deciduous thicket for- 

 mation ; ptenothaloph'ilus (0tX^o>, 

 I love), dwelling in deciduous 

 thickets ; Ptenothalop&y'ta (Qvrbv, 

 a plant), deciduous thicket plants 

 (Clements). 



Pterido'ma (irrepls, a fern), the body 

 or substance of a Fern ; pterido- 

 phyt'ic, fern-like ; Pterldosperm 

 (a"irpfj,a, a seed), MacMillan's term 

 for plants with obligatory and 

 pteridophytic seeds, and mono- 

 morphic embryos, as Lepidos- 

 trobus; Pterop sida (d^ts, sight), 

 the group of Filicales, Gymno- 

 sperms, and Angioaperms, with 

 ample leaves ; phyllosiphonic Vas- 

 culares (Jeffrey). 



Pte'rospores, -ae ( + SPORE), plants 

 having winged seeds (Clements). 



Puffs, Sir J. E. Smith's equivalent 

 for PILIDIA in Lichens. 



pulley-shaped (p. 216), read, com- 

 pressed and usually grooved in its 

 circumference. 



Pulsellum (pulso, I beat), a pos- 

 terior flagellum of a zoospore 

 (Lankester). 



Pus'tule, (2) used by Sir J. E. Smith 

 for VARIOLA. 



Pycno'sis (Triki'uxrts, condensation), 

 used by Maire to express atrophy 

 by becoming dense and thickened. 



Pycnophy'tia (Qvrov, a plant), " closed 

 formations " (Clements). 



Pyocy'anase, the enzyme of Bacillus 

 pyocyanus;pyogen'iG = PYOGENETIC. 



pyrenocar'pic, relating to a pyreno- 

 carp, or perithecium. 



Pyr'ium (irvp, n-upds, fire), "a burn 

 succession" (Clements). 



Pyr'rhophyll (irvppos, flame-coloured, 

 4><j\\ov, a leaf), the colouring matter 



contained in the Peridineae( Warm- 

 ing). 



Race, adap'tive, or biological, a RACE 

 distinguished by its physiological 

 characters, not by its morphology. 



ra'dial (3) = AOTINOMORPHIO ; *- 

 strand, large cells forming with 

 the hypodermal strand in the 

 stem of Bryophytes, wedge-shaped 

 masses of tissue (Tansley) ; Ra'dio- 

 sperms (a-rr{p/j.a, a seed), certain 

 fossil fruits, circular in transverse 

 section (F. W. Oliver); cf. PLATY- 



SPERMS. 



rad'ulan, akin to Rubus Radula. 



Ra'miform (+ FORM), an extreme 

 modification of GREGIFORM, usually 

 of monophyletic origin (Kuntze). 



ram'uline, applied to leaves on the 

 branches of mosses. 



ranuncula'ceous, (1) buttercup yellow 

 (Hayne) ; (2) allied to the genus 

 Ranunculus ; ranunc'uloid, re- 

 sembling that genus. 



ra'phal, relating to the RAPHE. 



Rapnidoplank'ton (+ PLANKTON), 

 floating organism of a needle- or 

 spindle-shape (Forel). 



Ra'roform (rarus, infrequent, + 

 FORM), a new form with imper- 

 fect connections with its surround- 

 ings (Kuntze). 



Reac'tion Time, the period needed for 

 an organ to show response to stimu- 

 lus (Maodougal). 



reciprocal AutopH'agy, sexuality in 

 primitive forms of Algae ; the 

 gametes acting mutually (Dan- 

 gear d). 



Re'flex Cent 'rum, a term suggested by 

 Czapek for a potential link between 

 the organ of perception and that 

 of response. 



Re'gions, aust'ral ~ , southern parts 

 of the globe ; bor'eal ~ , northern 

 portions ; tropical ~, within the 

 tropics. 



regressive, in hybrids, applied to 

 those characters which become 

 more or less dormant ; cf. DOMI- 

 NANT. 



repar'ative (reparo, I repair) Steles, 



353 



