Phragma 



A DICTIONARY 



Phylogeny 



tonic influence. See Para- 

 tonic. 



PHRAGMA (pi. Phrag'mata), a 

 horizontal false dissepiment in 

 a pericarp, as in some species 

 of Cassia. Formerly any false 

 dissepiment, or any dissepi- 

 ment. 



PHYCOCY'ANINE, a bluish pig- 

 ment, found in certain marine 



algae. 



PHYCOERYTH RlNE, the reddish 

 pigment in Florideae. 



PHYC6L'66Y, see Algology. 



PHYcO'MA, the whole plant in 

 algae, including thallus and re- 

 productive organs. (Obs.) 



PHYCOMA'TER, gelatine contain- 

 ing spores in algae. (Obs.) 



PHYCOPH-E'lNE, the brown pig- 

 ment of Fucaceae and some 

 other algae. 



PHYCOXAN'THlNE, a buff-col- 

 ored pigment in diatoms and 

 certain other algae; diatomine. 



PHY'LA, pi., see Phylum. 



PHYLLA'RlE§, an old term for 

 the bracts forming the invo- 

 lucre of the flower-head in 

 Corapositae. 



PHYL'LOCLADE, see Phyllocla- 

 dium. 



PHYLLOCLA'DltJM (pi. PhyllS- 

 cla'dla), a flattened branch 

 which somewhat resembles a 

 leaf, as in Ruscus and Psilo- 

 tum; cladode; cladodium; 

 cladophyll; phylloclade. Com- 

 pare Phyllodium. 



PHYLLOCY'AnIN, a bluish pig- 

 ment which with phylloxan- 

 thine forms the green coloring 

 matter of chlorophyll; cyano- 

 phyll. 



PHYL'LODE, see Phyllodium. 



PHYLLO'DltfM (pi. Phyllo'dla), a 

 dilated petiole taking the place 

 of a blade. 



PHYL'LODY, the reversion of 

 bracts or floral organs to 

 leaves; frondescence; phyllo- 

 morphy. 



PHYI/L66EN, see Phyllo- 



PHORE. 



PHYLLO&ENET'lC, leaf-produc- 

 ing. 



PHYLL6g'EN0u"S, growing upon 

 leaves. 



PHYL'LOID, leaf-like. 



PHYLLOMA'NlA, an abnormally 

 abundant growth of leaves, or 

 their production in unusual 

 places. Compare Pleio- 



PHYLLY. 



PHYL'LOME, a general term for 

 all organs which are morpho- 

 logically leaves, as bracts, 

 scales, petals, etc. 



PHYLLdM'iC, pertaining to a leaf 

 or phyllome. 



PHYL'LOMORPHY, see Phyl- 



L.ODY. 



PHYL'LOPHORE, any leaf-bear- 

 ing organ, especially the leaf- 

 bearing portion of the stem in 

 palms. 



PHYLL0P6'DIu"M, the branched 

 or uubranched axis of a leaf, 

 as the stipe and rachis of a 

 frond, an ordinary petiole, or 

 any arrangement which serves 

 as an axis or support for the 

 expanded portion or portions 

 of a leaf. 



PHYLLOTAX'IS, the order of 

 arrangement of leaves upon 

 stems; phyllotaxy. 



PHYL'LOTAXY, see Phyllo- 



TAXI8. 



PHYLLOXAN'THlN, a yellow pig- 

 ment associated with phyllo- 

 cyanin in the production of 

 chlorophyll; xanthophyll. 



PHYL6(j'ENY, the comparative 

 study of the development of 

 animals or plants. It seeks to 



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