contorted 



Corcule 



contort'ed, cantor' tus (Lat.), twisted or 

 bent ; in aestivation the same as 

 CONVOLUTE ; Contor'tion, a twisting ; 

 Contortoplank'ton (+ Pf-ankton), a 

 neritic floating mass of Diatoms, 

 especially of Chactoceras debile and 

 C. conlortum, whence the name ; 

 contortu'plicate {plicatUs, woven), 



(1) twisted and plaited or folded; 



(2) twisted back upon itself. 

 contra-, in Latin compounds=against; 



~ clock'wise, against the motion of 

 the hands of a clock ; sinistrorsc. 



contract'ed, conlrad'us (Lat.)) nar- 

 rowed or shortened ; spreading but 

 slightly ; contract'ile, capable of 

 actively shrinking in volume and 

 expanding again, used of proto- 

 plasm ; ~ Vac'uoles, small cavities in 

 protoplasm, whicli increase and de- 

 crease in .size rhythmically ; Con- 

 tractil'ity, the capacity of altering 

 s])ontaneously in volume. 



con'trary, contra'riiis (Lat.), in ■ an 

 opposite direction, as a silicic com- 

 pressed contrary to the dissei»i- 

 mcnt. 



Contror, frequently used in the sense 

 of the English word Check, as '^ 

 Experiments, to check the original 

 observation. 



Co'nus (Lat.) = Cone, Strobile. 



Convar'iants, pi. {co7i = witti ; vario, I 

 alter), individuals of equal age or 

 the same generation, wlio are liable 

 to vary; cf. Devaiiiants; converg'- 

 ent {rcrgms, bending), ai)plied to 

 veins which run from the base to the 

 apex of the leaf in a curved manner ; 

 converg'iner'vis, vius, convergen'ti- 

 nervo'sus (Lat.), simple veins di- 

 V(>rging from the midril) and con- 

 vpijging towards the margin. 



con'v%x, convcx'us (Lat., arched), liav- 

 ing a more or less rounded surface ; 

 convexiusc'ulus. somewhat convex. 



con'volute, coavohi'tuH (Lat., rolled 

 round), convolu'tive, convohiti'vus : 

 (1) when one part is wholly rolled 

 up in another, as the petals of the 

 \\'alltlowt'r ; (2) in a spathe when 

 the margins nmtually envelope each 

 otiier. 



convolvula'ceous, denoting affinity 

 with the genus Convolvnlas. 



co-ovar'ial, derived from cells of the 

 .same ovary (K. Pearson). 



co'ipious (I'opiostos, plentiful), abundant; 

 abbreviated cop.' cop.' cop.^ to show- 

 decreasing frequency (Warming). 



cop'pery, brownish red, with a metal- 

 lic lustre ; cui)reous. 



Cop'pice, a small wood which is regu- 

 larly cut at stated intervals, the 

 new growth arising from the stools ; 

 Copse is practically the same ; cop'- 

 picing, in forestry, cropping the 

 plantation by cutting the under- 

 .wood every few years. 



coproph'ilous (/coVpoy, ordure ; (fnXtw, 

 I love), applied to Fungi whose 

 habitat is the dung of animals ; 

 Cop'rophyte {(pvToUy plant) = Sapko- 



IHYTE. 



Cop'ulae (i»l. of copula, a thong or 

 band), inteiniediate bands of cell- 

 wall in Diatoms, as in Teiysinoe, 

 etc. 



Copula'tion {copidatio, coupling), (1) 

 used for Conjugation, tlie union of 

 sexual cells; (2) the entire blending 

 of two individual nuclei (Hart- 

 mann) ; cop'ulative J, used of dis- 

 sepiments not readily separating 

 from the axis or walls of the 

 pericarp. 



Coque (Fr., shell), used by S. F. Gray 

 for Coccu-s. 



Cor Se'minis % (Lat. ) = Embryo. 



corac'ihns (Lat., raven-black), glossy 

 l)lack. 



cor'acoid (f<^pa^, a javen ; elSos, resem- 

 blance), " shaped like a crow's beak " 

 (Crozier). 



Cor'al Spot, a fungus disease caused by 

 the wound parasite Ncdria cimui- 

 barina, Fr. 



coralliform''.i8 [corallum, coral ; forma, 

 sliape), coral-like in form ; cor'al- 

 line, coralli'nus (Lat., coral red), 

 resembling coral in appearance ; 

 cor'alloid, coraUoi'dcs [flhos, resem- 

 blance), coral-like, as the roots of 

 Ncottia Nidus-avis, Rich., and also 

 certain Lichens. 



Cor'cle (Crozicr); Cor'cule, Cor'cuhim 



91 



