Central Cylinder 



A DICTIONARY 



Chinky 



CEN'TRAL CYLINDER, the por- 

 tion of the tissue of roots and 

 stems within the cortex. It 

 includes the medullary and 

 fibrovascular systems, — used 

 mainly in roots. Compare 



FiBROVASCULAR CYLINDER. 



CEN'TRiC, a term applied to such 

 leaves as show no considerable 

 difference between the internal 

 structure of their upper and 

 under sides. Compare Bifa- 

 cial. 



CENTRIFUGAL, said of an inflo- 

 rescence in which the terminal 

 flower blossoms first; definite- 

 determinate. Applied to a 

 radicle which is turned toward 

 the side of the fruit, or to any- 

 thing else which points out- 

 ward. 



CENTRIPETAL, said of an inflo- 

 rescence in which the lower or 

 outer flowers blossom first; in- 

 definite; indeterminate. Ap- 

 plied to radicles or seeds which 

 point toward the axis of the 

 fruit. Now little used in the 

 latter sense. 



CENTURY, a hundred things, as 

 a package of plants containing 

 a hundred specimens. 



CEPhAlAN'THIUM, see Antho- 



DIUM. 



CEPHALO'DlA (sing. Cephalo'- 

 dium), outgrowths of a lichen 

 thallus in which algal cells are 

 situated. 



§£PH'AL6lD, capitate or head- 

 shaped. 



CERA'CEOUS, wax-like. 



CERAMtDIUM (pi. Ceramid'Ia), 

 the ovate or urn-shaped cap- 

 sule containing the spores in 

 the red algae (Florideoe). 



<?ERlF'EROUS, producing wax. 



fER NOUS, nodding, curved over 

 near the top, as the flower of 



narcissus upon its stem; nu- 

 tant. Compare Drooping. 



CER'NUOUS, see Cernotjs. 



gER'NUUS, see Cernous. 



CE'SIOUS, see C^sious. 



CES'PlTOSE, in tufts or dense 

 bunches; caespitose; tufted. 

 ! CES'PITOUS, see Cespitose. 



CESPIT ULOSE, in small tufts or 

 bunches. 



CHJE'TA, Greek for bristle. 



CHAFF, the glumes and palets of 

 grains and other grasses; the 

 bracts which subtend each 

 flower in the head of Composi- 

 te, etc. 



CHAIN-GEM'MA, a kind of 

 gemma found in JMucorini 

 having the form of a septate 

 confervoid filament, the seg- 

 ments of which are capable of 

 germination; sprouting gem- 

 ma. (DeBary.) 



CHALA'ZA, the base of the ovule 

 or place where its coats unite 

 with each other and with the 

 nucleus. In orthotropous 

 seeds it corresponds with the 

 hilum. 



CHAP'LET, a series of objects ar- 

 ranged like beads on a string 

 as the spores of Cystopus. 



CHARACTER, whatever distin- 

 guishes a plant or group of 

 plants from others; a descrip- 

 tion composed of the distinc- 

 tive features of a species or 

 other group. See Specific 

 Character, Generic Char- 

 acter, etc. 



CHARTA'fEOUS, of the texture 

 of parchment or writing-paper. 



CHASMdG'AMY, the opening of 

 the perianth at flowering time 

 (Rare.) 



CHINK Y (Tuckerman), see Ri- 



MOSE. 



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