402 Introduction to Botany. 



Cal'lus (L. callosus, hard) : a hard protuberance; or the hardened coating 

 which forms over the end of a cutting which has been inserted in the soil. 



Calyp'tra (Gr. calyptra, a veil) : the membranous covering over the capsule 

 of a moss, formed from the apex of the archegonium. Fig. 150, c. 



Ca'lyx (Gr. calyx, a cup) : the outer whorl of floral envelopes. Fig. 87. 



Campan'ulate (L. campana, a bell) : bell-shaped. Fig. 271. 



Campylot'ropous (Gr. campylos, curved; trope, a turn) : applied to an ovule 

 which has curved so that the micropyle is about on a plane with the 

 hilum. Fig. 301. 



Canalic'ulate (L. canalis, a canal or channel) : longitudinally grooved. 



Canes'cent (L. canescens, growing gray) : hoary from a gray pubescence. 



Cap'itate (L. caput, the head) : head-shaped, or collected into a head. 

 Fig. 82, / and u. 



Cap'sule (L. capsula, a small box) : the spore-case of mosses; a dry fruit of 

 more than one carpel, which opens to discharge its seeds. Figs. 321-324. 



Car'inate (L. carina, a keel) : having a median longitudinal projection on the 

 lower surface. 



Car'pel (Gr. carpos, fruit) : a simple pistil, or a single element of a compound 

 pistil; a single female sporophyll. 



Car'uncle (L. taruncnla, diminutive of caro, flesh) : a wart or protuberance 

 near the hilum of a seed, as in seed of castor bean. 



Caryop'sis (Gr. karyon, nut; opsis f resemblance) : a seed-like fruit with the 

 capsule closely adherent to the seed, as in corn and other grasses. 



Cat 'kin : same as Ament. 



Caud'ate (L. cauda, a tail) : having a tail-like appendage. 



Cau'dex (L. caudex, stem or trunk) : the main axis of a plant; also the per- 

 ennial rootstock of an otherwise annual plant. Figs. 206 and 207. 



Caules'cent (L. caulis, stalk or stem) : having an apparent stem above ground. 



Cau'line, pr. kaw'lin or kaw'line : belonging to the stem. 



Ces'pitose (L. cespes, turf) : matted, or growing in tufts. 



Chaff : a dry or membranous scale or bract. 



Charta'ceous (L. charta, paper) : having a papery texture. 



Chlo'rophyll (Gr. chloros, grass-green; phyllon, a leaf) : the green coloring 

 matter of plants. 



Chlo'roplast (Gr. chloros + plastos, molded) : the plastid or grain of proto- 

 plasm which contains the chlorophyll. Fig. 36. 



Chro'moplast (Gr. chroma, color + plastos} : plastid containing other color- 

 ing matter than chlorophyll. 



Chro'mosome (Gr. chroma + soma, a body) : one of the strongly staining 

 bodies of definite number into which the body of the nucleus divides 

 in nuclear division. Fig. 46. 



