Procarp 



Promyceliuni 



ally formed ; Pro'carp, Procar'pium 

 (/ca/>7ros, fruit), an archicarp with a 

 special receptive organ, the tricho- 

 gyne. 



proce'rus (Lat.), very tall, as a tree. 



Pro'cess, Proces'sus (Lat., a prolon- 

 gation), any projecting appendage, 

 Procea'sus Hyme'nii, "the aciculae 

 of certain Fungals " (Lindley). 



procum'bent, procum'bens (Lat., 

 leaning forward), lying along the 

 ground. 



Prob'able Er'ror, see DEVIATION, PRO- 

 BABLE. 



Prod'ucts, substances resulting from 

 metabolism or chemical changes in 

 plants. 



Produc'tum t (productus, lengthened), 

 = CALCAR. 



Pro-em'bryo (pro, for, + EMBRYO), (1) 

 in Characeae, the product of the 

 oospore, upon which the Chara- 

 plant develops as a lateral bud ; 

 (2) in Archegoniatae the product of 

 the oospore before differentiation 

 of the embryo ; (3) J the youngest 

 thallus of a Lichen ; proembryon'ic, 

 relating to a pro-embryo, as the 

 "" Branch in Chara, a propagative 

 body having the structure of a 

 pro-embryo arising from a node of 

 the stem. 



proe'minens (Lat., projecting), used 

 of an unusually extended part. 



progam'etal (pro, for, + GAMETE), of 

 the nature of a Progam'ete, a cell 

 which divides to form gametes, or 

 occasionally passes into a gamete 

 (Hartog). 



P rogam'etange, Progametan'gium 

 (ayyetov, a vessel), resting bodies in 

 Protomyces macrosporus, Unger ; 

 progam'ic (Hartog), pro'gamous, 

 in advance of fertilization ; ~ Cell, 

 a cell formed in the pollen-grain 

 which has the sperm-nucleus 

 (Goebel). 



progred'iens (Lat., advancing), ex- 

 tending at one part, and dying^ in 

 the rear. 



progressive (progressm, an advance), 

 advancing ; ~ Metamorph'osis, the 

 appearance of organs in an ascend- 



ing scale, as when petals are re- 

 placed by stamens; opposed to 



RETROGRESSIVE METAMORPHOSIS. 



Progym'nosperms (pro, for, + Gym- 

 nosperm), prototypic Gymnos- 

 perms, as Bennettites (Saporta and 

 Marion). 



Projectu'ra (Lat., a jutting out), a 

 small longitudinal projection on 

 some stems where the leaf ori- 

 ginates. 



Proios'pory = PROSPORY. 



Prokine'sis (irpo, before, Klvrj<ns, a 

 moving), the early stage of nuclear 

 division, up to the ASTER. 



pro' 'late (prolatus, a bringing forward), 

 drawn out towards the poles. 



Prole (Crozier), = Pro'les (Lat., off- 

 spring), (1) progeny; (2) sometimes 

 used for race ; (3) + the species. 



Prole'psis (T^XT^S, anticipation), (1) 

 a foreshadowing, something of an- 

 ticipation ; (2) "hurried develop- 

 ment as in the disease known as 

 ' peach - yellows ' where axillary 

 buds develop into branches the 

 first year " (Crozier) ; prole'pticus 

 (Lat.), used by Wimmer instead of 

 PRAECOX. 



Proleta'rian (proletariw, a citizen of 

 the poorest class), a name suggested 

 by M'Leod to denote plants having 

 only a small reserve, and self-fer- 

 tilized ; cf. CAPITALIST. 



pro'lifer, proliferus, proliferous 

 (proles, off-spring ; fero, I bear), 

 bearing progeny as offshoots ; 

 Proliferation, Prolifera'tio, develop- 

 ment proliferously ; prolific, pro- 

 lif'icw (M. Lat., producing off- 

 spring), fruitful, fertile ; Prolifica'- 

 tion, the production of terminal 

 or lateral leaf-buds in a flower ; 

 prolig'erous, -rus (gero, I bear), 

 proliferous, in Lichens applied to 

 the spore- bearing portion of the 

 apothecium (Henslow) ; cf. LAMINA 



PROL1GERA. 



prom'inent, prom inens (Lat. , jutting 

 out), standing out beyond some 

 other part. 



Promycele'=Promyce'lrum (pro, for + 

 MYCELIUM), the short-lived pro- 



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