partnenogenetic 



(ADDITIONS) 



Plasmocliym 



parthenogenet'ic, arising without fer- 

 tilization. 



Path-point' ers, defensive protec- 

 tion, such as prickles, etc., 

 against undesirable insect-visitors 

 (Kerner). 



Pauper'culae, pi. (pauperculus, very 

 poor), depauperate generations, as 

 the dwarf-males of Oedogonium, 

 etc. (A. Braun). 



Pec'tines, pi. (pecten, a comb), fim- 

 briae on the corolla of some Gen- 

 tians, constituting the corona 

 (Huxley). 



pelo'ric, relating to PELORIA 

 (Potter). 



pentaphylet'ic (<t>v\r), a tribe), used 

 of hybrids which are composed 

 of five strains, five species or 

 forms being represented in the 

 hybrid. 



perian'thial, relating to the PERIANTH ; 

 pericy'clic Sec'tors, interruptions of 

 the pericycle of the root in certain 

 Mosses, by tissues of cells whose 

 walls are very slightly thickened 

 (Campbell) ; perihadromat'ic ( + 

 HADROME), surrounding the had- 

 rome. 



peronocar'pic, probably a misprint 



for PYRENOCARPIC. 



Pet'aly, the condition of possessing 

 petals (J. M. Coulter). 



phaenobio'tic (fiios, life), Kuntze's 

 term for that geologic period 

 when plants made their appear- 

 ance as evidenced by their fossil 

 remains. 



Phanerog'amy, the condition of PHA- 

 NEROGAMS. 



Pharmacogno'sy ((pap^aKov , a drug, 

 yvGxris, knowledge), the know- 

 ledge of the distinctive features 

 of vegetable drugs (E. M. 

 Holmes). 



phe'nicine, phenic'eous (Heinig) = 



PHOENICEODS. 



Phloem-parench'yma, cf. BAST-PAREN- 

 CHYMA. 



photoph'ilous (0tXew, I love), C. 

 Schimper's term for sun-loving 

 plants ; pnotoph'ygous (<t>vy^, 

 flight) ; applied to shade plants. 



Phrag'matospore (a-rropa, a seed), a 

 multicellular spore, capable of 

 germinating from more than one 

 point (A. Braun). 



phycochroma'ceous (xpw^ua, colour, 

 + aceous), applied to gonidia 

 which are not green (chlorophyl- 

 laceous) ; Phy'cochrome, the bluish - 

 green colouring matter of Algae 

 (Bornet) ; Phycophy'ta (QVTOV, a 

 plant), Trevisan's name for Chara- 

 ceae. 



PhyUoclad'ium, add, (2) the thalline 

 scale of a Lichen (Lindsay) ; Phyl'- 

 lula, H. Gibson's term for that 

 stage in the embryo of vascular 

 plants at which the first leaf and 

 root appear (Parker). 



Phy'to-al'bumin, see ALBUMIN ; Phy- 

 tog'amy (yd/j.os, marriage), cross- 

 fertilization of flowers (A. Gray) ; 

 Phytogeogen'esis (777, the earth, 

 yeveo-is, beginning), the origin of 

 plants in geologic time (Kuntze) ; 

 Phytogonid'ium,( + GoNiDiUM) ; an 

 immobile gonidium, capable of inde- 

 pendent germination (A. Braun) ; 

 Phy'toma, pi. Pliytom'ata, the 

 vegetative body or substance of all 

 plants (A. Braun) ; Phytom'etry, 

 (/j-erpof, a measure or standard), a 

 comparison between plants, or the 

 different plans of their growth ; 

 Phytomorph'osis (^o/D^wtm, a shap- 

 ing), any change induced by plants; 

 by Appel used for galls caused by 

 plint parasites ; Phytopalaeonto- 

 1'ogist = PALAEOBOTANIST. 



Picnid'ium = PVCNIDIUM. 



Pi'leola, add, (4) the plumule in 

 grasses (Van Tieghem). 



placen'tary, relating to the placenta. 



Plant -plankton ( + PLANKTON), the 

 same as PHYTOPLANKTON ; Plant' - 

 ling, a small plant, a product 

 of recent germination (S. 

 Moore). 



Plasm-sac ( + SAC) of Diatoms, a 

 colourless layer of protoplasm 

 forming a lining to the frustule 

 and enclosing the cell - contents 

 (O'Meara) ; Plas'mochym (x^M> 

 that which is poured), the thick 



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