PHY- 



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PHY- 



phycochrome (fl'kokrom) n. [Gk. 

 phykos, seaweed ; chroma, colour.] 

 The colouring matter of blue-green 

 Algae (dot.). 



phycocyanln (ffkosi'anin) n. [Gk. 

 phykos, seaweed ; kyanos, dark blue.] 

 The pigment of blue-green Algae 

 (bot.). 



phycoerythrin (f I'koeVithrin) n. [Gk. 

 phykos, seaweed ; erythros, red.] 

 The colouring matter of red Algae 

 (bot.). 



phycology (fikol'qjT) n. [Gk. phykos, 

 seaweed ; logos, discourse.] The 

 part of Botany dealing with Algae. 



phycophaein (fi'kofe'm) n. [Gk. 

 phykos, seaweed ; phaios, dusky.] 

 The pigment of brown Algae (hot.}. 



phycoxanthin (fl'kozan'thin) n. [Gk. 

 phykos, seaweed ; xanthos, yellow.] 

 The buff-coloured substance of 

 diatoms (bot.). 



phylactocarp (filak'tokarp) n. [Gk. 

 phylaktikos, guard ing; karpos, fruit.] 

 A modification of the hydrocladium 

 in Hydromedusae for the protec- 

 tion of the gonophore (zool.). 



phylepheblc (fi'lefe'bik) a. [Gk. 

 phylon, a race ; ephebeia, manhood.] 

 Appl. the adult stage in race 

 history (biol.). 



phyletic (fllet'ik) a. [Gk. phylon, 

 race.] Pert, a phylum or race 

 (biol.). 



phyllade (fil'ad) n. [Gk. phyllas, 

 foliage.] A reduced scale-like leaf 



phyllary (fil'ari) n. [Gk. phyllon, 

 leaf.] One of the bracts of the in- 

 volucres of Compositae (dot.). 



phyllidia (filid'ia) n. plu. [Gk. 

 phyllidion, a little leaf.] Four out- 

 growths from the side of the scolex 

 ofCestoidea; bothridia (zool.). 



phyllobranchia (fil'obrang'kia) n. 

 [Gk. phyllon, .leaf ; brangchia, gills.] 

 A gill consisting of numbers of 

 lamellae or thin plates (zool.). 



phyllocladium (fil'okla'dlum) n. [Gk. 

 phyllon, leaf; klados, sprout.] A 

 green flattened or rounded stem 

 functioning as a leaf, as in Cactus 

 (bot.). 



phyllocyst (f il'osTst) n. [Gk. phyllon, 

 leaf; kystis, bladder.] The rudi- 

 mentary cavity of a hydrophyllium 

 or protective medusoid (zool.). 



phyllode (ffl'od) n. [Gk. phyllon, 

 leaf ; eidos, resemblance.] A winged 

 petiole with flattened surfaces placed 

 laterally to the stem, functioning as 

 a leaf (bot.). 



phyllody (fil'odi) n. [Gk. phyllon, 

 leaf; eidos, resemblance.] The 

 metamorphosis of an organ into a 

 foliage leaf (bot.). 



phyllogenetlc (ffl'qjeneYik) a. [Gk. 

 phyllon, leaf; genesis, descent.] 

 Producing or developing leaves 

 (bot.). 



phylloid (fil'oid) a. [Gk. phyllon, 

 leaf; eidos, resemblance.] Leaf-like. 



phyllomania (fiToma'nia) n. [Gk. 

 phyllon, leaf; mania, madness.] 

 Abnormal leaf-production (bot.). 



phyllomorphosis (fTl'omor'fosis) n. 

 [Gk. phyllon, leaf; morphe, form.] 

 Phyllody ; variation of leaves at 

 different seasons (bot.). 



phyllophagous (filof'agus) a. [Gk. 

 phyllon, leaf; phagein, to eat.] 

 Feeding on leaves (zool.}. 



phyllophore (fil'ofor) n. [Gk. phyllon, 

 leaf; pherein, to bear.] The ter- 

 minal bud or growing point of 

 palms. 



phyllophorous (filof'orus) a. [Gk. 

 phyllon, leaf; pherein, to bear.] 

 Bearing or producing leaves (bot.). 



phyllopode (fil'opod) n. [Gk. phyllon, 

 leaf ; pous, foot.] A sheathing leaf 

 of Isoetes (bot.). 



phyllopodium (fll'opo'dium) n. [Gk. 

 phyllon, leaf; pous, foot.] The 

 axis of a leaf (bot.). 



phyllopodous (filop'odus) a [Gk. 

 phyllon, leaf; pous, foot.] Having 

 leaf-like swimming-feet, as in Bran- 

 chiopods and Cladocera (zool.). 



phylloptosis (fllopto'sis) n. [Gk. 

 phyllon, leaf; ptosis, a falling.] 

 The fall of the leaf (bot.). 



phyllospondylous (fil'ospon'dilus) a. 

 [Gk. phyllon, leaf; sphondylos, 

 vertebra.] Appl. vertebrae con- 

 sisting of hypocentrum and neural 

 arch, both contributing to the 

 hollow transverse process, as in 

 Stegocephals (zool.). 



phyllotaxis (fil'otak'sTs) n. [Gk. 

 phyllon, leaf; taxis, arrangement.] 

 The system of leaf-arrangement on 

 an axis or stem (bot.). 



phylloxanthin, see xauthophyll. 



