Paramylum 



Phagocytosis 



Amylum), special starch in flagel- 

 lates, not reacting to iodine (Min- 

 chin); Parasynapt'ist ( + Synapsis), 

 one who regards the parallel 

 threads of the heterotype prophase 

 as the pairing of entire chromo- 

 somes ; cf. Telosynaptist ; Para- 

 syn'desis (+ Syndesis), reduction 

 by chromosomes are paired in 

 parallel positions (Hacker) ; Pari- 

 ch'ni, plural of Pabichnos. 



Parmelie'tum, an association of Par- 

 melia Ach. 



Parthenocarp'y, add, aitionom'ic --', 

 stimulative (Fitting) ; autonom'ic -^ , 

 vegetative {id.); parthenogen'ic '-, 

 preferably parthenogenet'ic. 



Par'vigrade [gradus, a step), applied 

 to a small variation or transiiient ; 

 ~ Evolu'tion is continuous (Poul- 

 ton) ; cf. Magnigrade. 



Pas'sive Pro'toplasm, in a female 

 gamete = Gynoplasm. 



patroclin'ic, (kA/k/j, a bed), in hybrids 

 where the influence of the male or 

 pollen parent is manifest ; Patro- 

 cli'ny is the condition ; cf. matbo- 

 CLiNic ; Patrogen'esis (yeVeais, begin- 

 ning), development from male 

 nucleus only breeding true, the 

 female nucleus being dispossessed 

 (Collins). 



Pedol'ogy (TreSov, land ; \6yos, dis- 

 course), soil-science, the quality 

 and ability of the various soils. 



Pe'Iophytes [rrqXos, mud; (^urdv, a 

 plant), plants growing in clayey or 

 marshy places (Gadeceau). 



Pel 'cry, Worsdell's adaptation of 

 Peloria. 



pent'aploid, five times as many 

 chromosomes as in the haploid 

 condition ; pent'asome is a synonjTOQ ; 

 Pentaploi'dy is the state ;^ penta- 

 sterigmat'iCt with basidia 'having 

 five sterigmata (Buller). 



pen'tasome = pentaploid. 



pento'san, referring to Pentoses. 



Percnoso'mes {tt^pkvos, dusky ; aoJiJLa, 

 a body), small granules in andro- 

 cytes of bryophytes (Wilson). 



peren'niate, variation of perennate ; 

 Perennia'tion = Perennation. 



Perfora'tion, an actual aperture in 

 the wail of a vessel (Jeffrey). 



Perig'yny, being periqynous. 



perinu'clear, surrounding the nucleus ; 

 peripatet'ic (TraTc'cu, I walk), applied 

 to field botany; cf. anapobetic ; 

 periph'eral {<i>€p(jo, I bear), centri- 

 fugal or outward growth (Jeffrey) ; 

 periphialop'orous, round the 

 Phialopobb (Janet) ; Periplast'id, 

 cf. Periplast ; peritrich'ic, -ous {9pli, 

 '''P'-Xos, hair), flagelia completely 

 surrounding an organism, as BaciU 

 lus Cohn (Conn) ; periva'sal {vasa^ 

 Lat. pi. vessels) = vasicentbic. 



Periodic'ity, the seasonal duration 

 of a species (Pavillard), 



peris'soploid {rTcpiaaos, odd), uneven 

 multiples (Jeffrey) ; cf. artioploid. 



per'oid (Tnypo?, maimed ; ctSos, 

 like), defective in friuting, as Poly- 

 pori, annual or perennial (Harsh- 

 berger). 



Per'nle, cf. Peeula. 



petalod'ic, having a tendency to 

 double flowers ; cf. Petai^ody. 



petiola'ted (+ Petiole), having leaf- 

 stalks (Salisbury). 



pet'ran [iriTpa, a rock), applied to 

 Rocky Mountain vegetation 

 (Clements). 



Pe'tri Dish'es, two shallow circular 

 glass dishes, one slightly smaller 

 than the other, for cultures free 

 from dust. 



Peucedane'tum, an association of 

 Peucedunum Ostruthium Koch. 



Ph, introduced by Sorenson (also 

 occurs as Ph, pH) to show the 

 negative logarithm of the hydrogen- 

 ion concentration in soil; cf. Ch, 

 and H-|-. 



Phae'no- oecorogy, diagram dis- 

 playing the range of the species 

 enumerated (Gams) ; Phaen'otype 

 {tvttos, a type), a type resulting 

 from hybridizing, inclusive of the 

 different genophenes of a genotype, 

 then becomes the phaenotype 

 ( Johannsen) ; phaenot3i>'ically, in 

 the manner noted. 



Pbagocyto'sis (^ayctv, to eat ; /euros, 

 a hollow), intercellular digestion 



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