petiolate 



Phalanx 



]ietiole; ]pet' iol&te, petiola'kcs, having 

 a petiole ; Pet'iole, Pet'iohis, the foot- 

 stalk of a leaf ; ■-' Gut'ter, the leaf-stalk 

 grooved and leading down to hairy 

 buds or grooves on the stem (S. 

 Elliot) ;--' Trace, the strand of vascular 

 tissue, gectionally shaped as H, con- 

 necting the petiole and the stem 

 in Diplolahis (Gordon); Pet'iolule, 

 Petiol'ulus, (1) a small petiole ; (2) 

 the petiole of a leaflet ; petiorulate, 

 petiolula'luSy having a petiolnle; 

 petiorular, petiolula'ris, belonging 

 to a petiolule. 



Pet'rad (TreVpos, a rock, -f ad), a rock 

 plant (Clements). 



petrae'us (Lat.), growing amongst 

 rocks. 



Pet'rifaot {petra, rock ; facio, I make), 

 a fossil, due to petrification (Stopes) ; 

 Petrifac'tion, formerly applied to all 

 fossils, now restricted to those com- 

 pletely penetrated by silicic acid or 

 calcium carbonate, and so preserve.! 

 •n a solid form. 



Petri'um (ireVpoy, a rock), a rock forma- 

 tion ; Petrochthi'um, pi. -i'a {oxOv, 

 a bank), a rock bank formation ; 

 petrochthoph'ilus {(pi\eco, I love), 

 living on rock banks ; Petroch- 

 thophy'ta {(pvrhy, a plant), rock bank 

 plants (Clements). 



Petro'dad {-irerpwdrts, stony, + ad), a 

 plant of a boulder field ; Petrodi'um, 

 a boulder field or stone formation ; 

 petrodoph'ilus {(piXeca, I love), dwell- 

 ing in boulder fields ; Petrodophy'ta 

 {(pvrhy, a plant), boulder field plants 

 (Clements). 



petroph'ilus {ireTpos, a rock ; (pi\4(a, I 

 love), rock dwelling ; Petrophy'ta 

 {<pvThv, a plant), rock plants (Cle- 

 ments) ; Pet'rophytes, rock plants, 

 subdivided into Lithophytes and 

 Chomophytes. 



petro'sus (Lat., rocky), growing 

 amongst stones. 



Pezizaxan'thine( + XANTHiN),a special 

 orange colouring-matter, also termed 

 Pezi'zin, Rosoll's name for the same 

 pigment in Peziza aurantia, Pers., 

 etc. ; pezi'zoid (^iZos, resemblance), 

 peziza-, or cup-shaped. 



phaenanth'erons ((^a/vw, I appear; avBos, 

 a flower), with stamens exserted; 

 Phaenan'thery the condition de- 

 scribed ; phaenic'eus = phoenic- 

 Eus ; phaenobio'tic {^ios, life), 

 Kuntze's term for that geologic 

 period when plants made their 

 appearance as evidenced by their 

 fossil remains ; phaenocar'pous -pus 

 {Kupirhs, fruit), having a distinct 

 fruit, with no adhesion to surround- 

 ing parts ; phaenog'amons {yd/xos, 

 marriage), having manifest flowers, 

 phanerogamous ; Phae'nogams = 

 Phanerogams ; Phaenorogy = 

 Phenologv ; Phae'notype = PHENO- 



TYPE. 



Phae'ocyst {<p>ii( •, brown and swarthy ; 

 Kvaris, a bag], Decaisne's name for 

 the cell-nucle' s ; Phaeodict'yae {Sik- 

 rvov, a net), Lictyosporae with dark 

 or opaque spores (Tra verso) ; Phaeo- 

 did'ymae {UZv^los, double), Didymo- 

 sporae with brown or dark-coloured 

 sporae (Traverso) ; Phae'ophore 

 {(pop4(D, I carry), Schmitz's term for 

 chlorophyll granule when dark 

 brown, as in Phaeophyceae ; Phaeo- 

 phrag'mae {<ppdyfia, a hedge), Fimgi 

 having muriform spores of a dark 

 colour (Traverso) ; phaeophy'cean 

 {<pvKos, a sea weed), relating to the 

 Phaeosporeae, a gioup of olive or 

 brown marine Algae ; Phae'ophyll 

 (ipvWov, a leaf), the colouring-matter 

 in the living active chromatophores 

 of brown seaweeds (Reinke) ; Phae'o- 

 phyte {(pvTou, a plant), the olive- 

 green seaweeds, or Phaeophyceae 

 (Wettsteiu); Pliae'oplast (irAoo-roy, 

 moulded), the special name for 

 the chromatophores of Fucoideae 

 (Schimper); Phaeospo'rae (+Spora), 

 Fungi having dark-coloured spores 

 as Xylaria (Traverso) ; Phae'ospore 

 {arropa, a seed), a member of the 

 brown Algae; adj. phaeos'porous ; 

 phae'ns (Lat.), fuscous, swarthy. 



Phai'ophyll {<patos, brown; <pv\\ov, a 

 leaf), a group of colouring-matters in 

 the leaves of plants of various tints 

 of brown. 



Phalan'gea, sing. Pharanz {<\><k\ay^. 



278 



