814 



GLOSSAEY. 



the successive central flowers expanding 



first ; Cyinose, inflorescence in the form of a 



cyme. 

 CvNARRHODUM, fruit Consisting of a hollow 



inferior receptacle containing numerous 



achenes, as in the Rose. 

 CYpSELA,,inferior_monospennal indehiscent fruit 



of Compositae. 

 CvsTiDiA, sacs containing spores ; a kind of 



fructification in Furigi. 

 Cystocarp, the fully-formed fructification of 



Florideae, a tribe of Red Seaweeds. 

 Cystohth, a cell, containing numerous crys- 

 tals (raphldes), as in leaf of Ficus. 

 Cytoblast, the nucleus of a cell. 

 Cytoblastema, mucilaginous formative matter 



of cells, called also Protoplasm. 

 Cytogenesis, cell-development. 

 Cytos, a cell, in composition Cyto. 



D^DALENCHYMA, entangled cells. 



Deca, ten, in Greek words, same as the Latin 

 Decern ; as decandrous, having ten stamens ; 

 decagynous, having ten styles. 



Deciduous, falling oflf after performing its 

 functions for a limited time, as calyx of 

 Ranunculus. 



Deciduous Trees, which lose their leaves 

 annually. 



Decimetre, Uhe tenth part of a metre, or ten 

 centimetres. 



Declin ate or Declining, directed downwards 

 from its base ; applied to stamens of Amarylhs. 



Decompound, a leaf cut into numerous com- 

 pound divisions. 



Decorticated, deprived of bark. 



Decumbent, lying flat along the ground, and 

 rising from it at the apex. 



Decurrent, leaves which are attached along 

 the side of a stem below their point of inser- 

 tion. Such stems are often called Winged, 



Decussate, opposite leaves crossing each other 

 in pairs at right angles. 



Deduplication, same as Chorisis. 



Definite, applied to inflorescence when it 

 ends in a single flower, and the expansion of 

 the flower is centrifugal ; also when the 

 number of the parts of an organ is limited, as 

 when the stamens are under twenty. 



Deflexed, bent downwards in a continuous 

 curve. 



Defoliation, the fall of the leaves. 



Degeneration, when an organ is changed 

 from its usual appearance and becomes less 

 highly developed, as when scales take the 

 place of leaves. 



Dehiscence, mode of opening of an organ, as 

 of the seed-vessel and anther. 



Deltoid, like the Greek A in form, properly 

 applied solely to describe the transverse 

 section of soUds. 



Dentate, toothed, having short triangular 

 divisions of the margin. The term is also 

 applied to the superficial divisions of a gamo- 

 sepalous calyx and a gamopetalous corolla. 



Denticulate, finely-toothed, having small 

 tooth-like projections along the margin. 



Depressed, flattening of a solid organ from 

 above downwards. 



Determinate, applied to definite or cymose 

 inflorescence. 



Dextrorse, directed towards the right. 



DiACH^NiUM, same as Cremocarp, fruit com- 

 posed of two achenes. 



DiACHYMA, the parenchyma of the leaf. 



Diadelphous, stamens in two bundles, united 

 by their filaments. 



Dialycarpous, pistil or fruit composed of dis- 

 tinct (separate) carpels. 



DiALYPETALOUS, corolla composed of separate 

 petals. 



DiALYSEPALOUS Or DiALYPHYLLOUS, Calyx 



composed of separate sepals. 



DicHLAMYDEOus, having calyx and corolla. 



DiCHOGAMOUS, stamens and stigmas of the 

 same flower, not reaching maturity at the 

 same time. 



DiCHOTOMOUS, stem dividing by twos, 



DiCHOTOMOUS Cyme, a kind of definite in- 

 florescence in which the secondary axes come 

 off" in pairs, each ending in a single flower; 

 the same kind of division goes on through the 

 tertiary and quaternary axes, etc. 



Diclinous, unisexual flowers, either monosci- 

 ous or dioecious. 



Dicotyledonous, embryo having two cotyle- 

 dons. 



Dictyogenous, applied to monocotyledons 

 having netted veins. 



Didymous, twin, union of two similar organs. 



Didynamous, two long and two short stamens. 



Digitate, compound leaf composed of several 

 leaflets attached to one point. 



DiGYNOUS, having two styles. 



DiLAMiNATiON, same as Deduplication and 

 Chorisis. 



Dimerous, composed of two pieces. 



Dimidiate, split into two partially, as the 

 calyptra of some Mosses ; or completely, as the 

 lobes of the anther in Salvia. 



Dimorphic, having two forms of flowers, differ- 

 ing in size and development of the stamens 

 and pistils, as in Primula and Linum. 



Dimorphous, when similar parts of a plant 

 assume different forms. 



DicEcious, or Dioicous, staminiferous and pis- 

 tilliferous flowers on separate plants. 



Diceciously-Hermaphrodite, hermaphrodite 

 flowers having only one of the essential 

 organs perfect in a flower, 



Diplecolobe^, cotyledons twice folded trans- 

 versely, 



DipLOOS, double, in composition Diplo. 



DiPLOPERiSTOMi, Mosses with a double peri- 

 stome. 



DiPLOSTEMONOUS, having a double row of 

 stamens, which are thus often double the 

 number of the petals or sepals, 



DiPLOTEGiA, an inferior, dry, i-many-celled 

 seed-vessel, usually opening by valves or by 

 pores, as in Campanula. 



Dipterous, having two wings, 



Dis, twice in composition, Di, same as Latin 

 Bis or Bi ; as disepalous, having two sepals, 

 dispervtous, two-seeded. 



Disciform, and Discoid, in the form of a disc 

 or flattened sphere ; discoid pith, divided in- 

 to cavities by discs. 



Discoid, also applied to the flosculous or tubu- 

 lar flowers of Compositas. 



Discs, the peculiar rounded and dotted mark- 

 ings on coniferous wood. 



Disk, a part inter\-ening between the stamens 

 and the pistil in the form of scales, a ring. 



