Petrium 



(SUPPLEMENT) 



PhycochryBin 



make), formerly applied to all 

 fossils, now restricted to those 

 completely penetrated by silicic 

 acid or calcium carbonate, and so 

 preserved in a solid form. 



Pet'rium, (irtrpos, & rock), a rock 

 formation ; petroph'ilus (0iXew, I 

 love), rock dwelling; Petrophy'ta 

 (<J>VTOV, a plant), rock plants (Cle- 

 ments) ; Petroch'thium, pi. -ia 

 (6X&T1, a bank), a rock bank forma- 

 tion ; petrochthoph'ilus (0iXeoj, I 

 love), living on rock banks ; 

 Petrochthopny'ta (<f>vTov, a plant), 

 rock bank plants (Clements). 



Petro'diuin . (rer/ori^s, stony), a 

 boulder field or stone formation; 

 petrodoph'ilus (iXfo, I love) dwell- 

 ing in boulder fields ; Petrodo- 

 phy'ta (<pvTov t a plant), bouider 

 field plants (Clements). 



phaenofoio'tic (/3tos, life), Kuntze's 

 term for that geologic period 

 when plants made their appear- 

 ance as evidenced by their fossil 

 rem tins. 



Phae'ophore (<op^w, I carry), 

 Schmltz's term for chlorophyll 

 granule when dark brown, as in 

 Phaeophyceae; Phae'ophyte (<J>VTOV, 

 a plant), the olive-green seaweeds, 

 or Phaeophyceae (Wettstein). 



Phanerog'amy, the condition of PHA- 

 NEROGAMS; phanerop'orous ( + 

 PORE) employed to denote the 



rition of stomata on the epi- 

 mal layer of the plant (Hagen) 



Cf. CRYPTOPOROUS. 



Pharmacogno'sy ($appa.Kov, a drug, 

 yv&ffis, knowledge), the know- 

 ledge of the distinctive features 

 of vegetable drugs (E. M. Holmes). 



Phell'ium (0eXXei)s, stony soil) a " rock 

 field formation " ; phelloph'ilus 

 (0tX^w, I love), dwelling in stony 

 fields ; Phellophy'ta ((pvTov, a plant), 

 plants growing amongst loosestones 

 (Clements). 



phe'nicine, phenic'eous (Heinig) = 



PHOENICEOUS. 



Phleume'tum, a plant - association 

 consisting of Phleum pratense, etc. 

 (Ganong). 



Phloe'm-parench'yma, cf. BAST-PAKEN- 



CHYMA. 

 Phlyktioplank'ton (^XU/CTTIS, a blis- 



ter, + PLANKTON), Forel's term for 



organisms supported by hydro- 



static mean?. 

 Pho'bism, Massart's term for repul- 



sion of plants. 

 pho'tic, influenced by, or adapted to, 



the action of light ; Pho'toblast 



s, a bud), used of a shoot 

 developed above the soil, and 

 adapted to live in light and air 

 (Kirchner) ; Photokine'sis ( + KINE- 

 SIS), movement induced by light ; 

 Photonas'ty (vaarbs, pressed close), 

 one-sided growth in length of an 

 organ, due to the unrestricted 

 action of light (De Vries) ; adj. 

 photonas'tic ; Photop'athy (7rd0oy, 

 suffering) = PHOTOTAXIS ; photo- 

 ph'ilous (0iX&o, I love), sun-loving 

 plants ; Photoph/obism (0o/3<rw, I 

 fear), avoidance of light ; plioto- 

 ph'ygous (fayy, flight), applied to 

 shade plants ; Photoplagiot'ropy 

 (7rXa7tos, placed sideways, rpowT], 

 a turning), a tendency to arrange- 

 ment obliquely towards incident 

 light (Goebel) ; Photot'onous, (2) 

 proposed by Nagel for botanic use 

 instead of PHOTOKINESIS, which is 

 considered more appropriate for 

 zoologic use. 



Phrag'matospore (<riropa, a seed), a 

 multicellular spore, capable of ger- 

 minating from more than one point 

 (A. Braun). 



Phre'tiuin (<f>pr)Tloi', a water tank), 

 a tank formation ; phretoph'ilus 

 (0tXew, I love), dwelling in tanks ; 

 Phretophy'ta ((pvrbjt, a plant), 

 tank plants (Clements). 



Phycobry'ophytes (+ BRYOPHYTES), 

 Gotz's term for Characeae. 



phycochroma'ceous (xpw/*, colour 

 + ACEOUS), applied to gonidia 

 which are not green (chlorophyl- 

 laceous) ; Phy'coclirome, the bluish- 

 green colouring matter of Algae 

 (Bornet) ; Phycophy'ta (fyvrbv, a 

 plant), Trevisan's name for Chara- 

 ceae ; Phycochry'sin (xpvaos, gold), 



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