Catabolism 



Caolidium 



panied by a conversion of potential 

 into kinetic energy ; also spelt 

 Katabolism ; Catab'olites, the pro- 

 ducts of Catabolism ; cf. Hetero- 

 BOLiTES, ScHizoBOLiTES ; cata- 

 clad'ous, -dus {KXdSos, a branch), de- 

 flexed ; applied to certain species of 

 Sphagnum; Catacle'sium + {K\^aris, 

 a shutting up) = Diclesium ; Cata- 

 coroira {corolla, a little' garland), a 

 second corolla formed exterior to 

 the true one ; resembling a hose-in- 

 hose flower ; catad'romoas {dpSfxos, 

 course), Luerssen's term when the 

 first set of nerves in each segment 

 of a Fern frond is given ofl" on the 

 basal side of the mid-rib, as in 

 Osmunda ; Catagen'esis {yeyea-is, a 

 beginning), retrogressive evolution, 

 by loss of attributes or simplifica- 

 tion of structure ; catagenet'io, 

 relating to Catagenesis. 



Cat'alase (deriv. from the next), an 

 enzyme in fiesh tobacco leaves 

 (Loew). Catarysis (Kara, down ; 

 Xixris, a loosing), chemical changes 

 ett'ected by a substance which does 

 not itself undergo change ; ferment 

 action ; catalyt'ic, modification of 

 chemical force which causes cata- 

 lysis ; catametad'romous (+ meta- 

 DROMOUs) in Ferns, when they are 

 sometimes catadromous and some- 

 times metadromous, which may occur 

 in the same species ; catapet'alous, 

 -H3, {iTfTaXov, a flower-leaf), where 

 petals are united only by cohesion 

 with united stamen, as in Malva ; 

 Cat'aphyll, Cataphyl'la, pi. {(pvWov, 

 leaf), the early leaf-forms of a plant 

 or shoot, as cotyledons, bud-scales, 

 rhizome-scales, etc. ; in German, 

 Niederblatter ; cataphyl'lary, of the 

 nature of the foregoing ; <-- Leaves 

 = Cataphylls. 



Cat'apult Fruit ; those fruits dispers- 

 ing seeds or fruit-segments by the 

 elasticity of their peduncles. 



Cat'ecMn, a crystallizable constituent 

 of catechu; Cat'echa, pr. Cat'eshoo, 

 cutch, the lieart-wood of Acacia 

 Catechu, Willd., i)owerfully astrin- 



gent from its rich tannin-contents. 



67 



cate'nate {catena, a chain), the co- 

 herency of Diatom frustules in a 

 connected chain ; cate'nnlate, ca- 

 tenula'tus, formed of parts united or 

 linked as in a chain. 



Cath'edrus {KadeSpa, a chair), a part 

 growing between the angles of a 

 stem. 



Cathlon (koto, down -j- ion), an ion 

 charged with electricity which mi- 

 grates toward the cathode or negative 

 pole (J. F. Smith) ; in physics the 

 word is usually spelled ' * Catiou " ; 

 oathod'al, cathod'ic {6S6s, a way) = 



KATHODIC. 



Cat'kin, (1) a deciduous spike, consist- 

 ing of unisexual apetalous flowers ; 

 an amentum ; (2) improperly used 

 by J. E. Smith for the spikelet of 

 Carex ; (3) the male flowers of 

 Cycads and Conifers are erroneously 

 styled catkins; Cat'alus (Lat., 

 puppy), X * synonym of Catkin. 



Caa'da (Lat.), a tail, any tail-like 

 appendage ; cau'date, caiidattis, 

 tailed. 



Cau'dex (Lat. ), the axis of a plant, 

 consisting of stem and root ; -^ de- 

 scen'dens, the root ; -^ Badi'ois, the 

 root-tip ; -^ reopens * = Rhizome ; 

 caudlci-contin^uiis J continuous 

 with the stem, used of those leaves 

 which have no articulation with the 

 stem ; caudic'iform {forma, shape), 

 like a caudex in form ; Cau'diele, 

 Cnudic'ula, the cartilaginous strap 

 which connects certain pollen-masses 

 to the stigma, as in Orchids. 



eaulesc'ent, -ciis {caxUis, a stalk), be- 

 coming stalked, where the stalk is 

 clearly apparent ; Caullole, Canl'ic- 

 ule, Caulic'ulus, a diminutive stalk ; 

 (1) a small stem produced on the 

 neck of a root without the pre- 

 vious production of a leaf ; (2) the 

 initial space between the radicle and 

 the cotyledons of an embryo, now 

 termed the hypocotyl ; (3) the stipe 

 of certain Fungi ; caalic'oloxis {colo, 

 I dwell), applied to Fungi which 

 live on stems ; Caulidlam, term 



f»roposed by Bower to express the 

 eaf in the oophore generation ; its 



