cyaiheoid 



detersile 



cyath'eoid, like the fern Cyathea Sm. 



cyca'deid, resembling Cycas Liim. ; 

 cycada'ceons and cyca'deous, akin 

 to that genus ; Cy'cadophyte {(I>vt6v, 

 a plant), applied to the whole group 

 of cycad-Kke plants (Wieland). 



cyclop'teroid, used for pinnules like 

 those of Cyclopteris Brongn. 



cymbariform, the shape of the corolla 

 in Convolvulus Linn. 



cymbomor'phus {Kvix^og, a cup; 

 liop(f)rj, shape), cup-shaped (I. B. 

 Balfour). 



Cynodactyle'tum, an association of 

 Cynodon Dactylon Pers. 



Cyst'ospores, addy (2) encysted zoo- 

 spores of Thraustotheca Humph. 



Cyte = Cell ; Cy'tea, a monoplats 

 flagellate (Janet) ; Cytec'dysis = 

 EcDYSis ; Cy'tioplasm, anglicized 

 form of Cytioplasma ; Cytokine'sis, 

 (1) form suggested for all terms of 

 Kiis'ESLs and Mitosis ; (2) division 

 of cytoplasm (E. B. Wilson) ; 

 Cytolip'oids, pi. (AiVo?, grease), the 

 fat-particles contained in the plant- 

 cells (Czapek) ; Cytomi'crosome 

 (+ Microsome) = Chondkiosome. 



Dac%l, the ultimate ray of a branch- 

 let of Nitella. 



Darwinizing, fractional culture (Conn). 



daval'lioid, like the fern Davallia Sm. 



Day Plants, long day plants ; if 

 exposure to light is unduly short- 

 ened, flowering is prevented or 

 delayed ; short day plants, short- 

 ened light period hastens blooming. 



Da'ya, a poorly drained area in 

 Algeria, slightly undulating, but 

 not salt. 



deo'aploid, having five double sets of 

 chromosomes (Hurst). 



decomposed', applied to cortex of 

 gelatinous, indistinct, or amorphous 

 hyphae (A. L. Smith). 



dec'uple, ten sets of chromosomes 

 (Blakeslee). 



Decurta'tion {decurto, I mutUate), the 

 spontaneous fall of branches 

 (Heckel). 



decur'ved {decurvus. Mod. Lat.), bent 

 downwards, deflexed. 



DediSerentia'tion {de, not; differens, 

 distinct), loss of Differentiation ; 

 an apparent approach to the em- 

 bryonic condition (Child) ; De- 

 fertiliza'tion (+ Fertilization), 

 when insects clear away the pollen 

 (N. E. Brown); Deforma'tion (-f 

 Formatign), changes of surface, 

 rapid or slow, due to flood or 

 earthquakes (Clements); adj. de- 

 forma'tional ; Degenera'tion, add, 

 (2) when chromosomatic, due to 

 inheritance from parents (Gussow). 



dek'asome, = decaploid. 



deliques'cent {liquescere, to melt), 

 branching so that the stem is 

 lost in the branches ; opposed 

 to excurrent ; Demineraliza'tion 

 {minerale. Mod. Lat.), by action of 

 hydrofluoric acid to free fossils 

 from extraneous matter (Jeffrey). 



dendroc'ola, dwelling on trees, epi- 

 phytic ; dendrolog'ic, relating to 

 trees. 



dennstaedt'ioid, like the fern Denn- 

 staedtia Bernh. 



Denuda'tion, add, (2) area may be 

 bared by a parasitic plant as Cua- 

 cuta salina Engelm. 



Dep'ea (SeVa?, a beaker), a cell with 

 a cap capable of taldng in nourish- 

 ment (Janet). 



Depolliua'tioii (+ Pollination), 



caused by insects eating pollen from 

 anthers or stigmata (N. E. Brown). 



Deposit'ion {depositio, placing), fresh 



soil added as by floods ; progres'sive 



~, the process continuing ; retro- 



gres'sive ~, when the fresh earth 



is gradually removed. 



Dermatoplas'm, the living protoplasm 

 asserted as forming a part of the 

 cell-membrane in plants (Wiesner). 



Deschampsie'tnm, an association of 

 Deschampsia Beauv. 



Determ'iuer {determino, I limit), a 

 unit producing a visible effect 

 independently of other units of 

 inheritance (Coulter) ; they may 

 be du'plicate, or plu'ral (Shull), 

 reinforcing each other. 



deter'sile {delersilis, can be wiped), 

 referring to the wool on young 



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