cretaceoas 



cruciate 



chalky, as the chalk -glands found 

 in Saxifrages ; (2) chalk-white, 

 dead-white. 



Crev'ice-plant = Chasmophyte ; crev'- 

 iced = HiMOSE. 



cri'brate {cribrum, a sieve), usually 

 written cribrose; cri'brifonn, a-i- 

 bnfonn'is {forma, shape), sieve-like, 

 pierced with many holes ; — Ciells = 

 Sieve-cells ; ^ Tis'sue, containing 

 sieve-cells and tubes; cri'brile, 

 (Kearney), cri'brose, crihru'sus, 

 pierced like a sieve ; --' Cells = 

 Sieve-tubes. 



crinif' erous {crinis, hair ; fero, I bear), 

 used by J. Smith for hirsute; 

 cri'nite, crini'tus, bearded with long 

 and weak hairs, 



crin'oid [npivov, a lily; elSos, resem- 

 blance), lily-like (Crozier). 



Crin'ula {crinis, hair) = Elatek ; 

 Cri'nus, a stiff hair on any part. 



crisp, cri67y'«5 (Lat.), curled; crispa'- 

 bilis, capable of curling uj) ; crisp'- 

 ate, crisped, crispa'tics, crispati'viis, 

 curled; Crisp 'ature, Crispatu'ra, (1) 

 when the edge is excessively and 

 irregularly divided and twisted ; 

 (2) or the leaf much puckered and 

 crumpled, but not so much as 

 bullate; crispes'cens, able to curl up; 

 crispiflor'al {Jios, /oris, a flower), 

 having curled flowers ; crispifo'li- 

 ous {folium, a leaf), with curled 

 leaves. 



Cris'ta (Lat.), a crest or terminal tuft; 

 crist'aeform {forma, shape), used by 

 J. Smith for crested appendices in 

 Kerns, as in Adinostackys, Wall. ; 

 cris'tate, crista' tiis, crested ; in 

 Ferns, having a tasselled margin to 

 the fronds. 



Crist'arc (Fr., cristarque, from cristal 

 and arque), Van Tieghem's teiTn for 

 a layer of cortical tissue, whose arc- 

 shaped cells contain macled crystals 

 and are strengthened by sclerogen ; 

 occurring in Ochnaceae. 

 Critench'ynia {xpirbs, chosen ; (yx^fia, 

 an infusion), the tissue of bundle- 

 sheaths, open or closed envelopes 

 which accompany fibro-vascular 

 ^bundles ; crit'ical, used of plants 



96 



which need great discrimination in 



classifying. 



Crithme'tum (+etum), an association 



of Samphire, Crithmum maritimum. 



croca'tus, cro'ceous, croc'eus (Lat.), 



saffron -yellow; a deep yellow tint 



from the stigmas of Crocus •sativus, 



Linn. ; Cro'cin, the colouring-matter 



of the foregoing. 



Cro'mules (G. T. Moore) = Chro- 



mules. 

 Crop-hairs, trichomes occurring in 

 Cordia, unicellular and usually 

 knobbed at the extremity (Mez), 

 resembling a bird's crop in shape. 

 crook'ed, curved. 



Cross, term implying a hybrid of any 

 description ; -^ armed, brachiate 

 (Crozier) ; '-- Breeds, the progeny of 

 interbred varieties ; '-- -conjuga'tion, 

 see Conjugation, cross; -^ Fertili- 

 za'tion, fecundation by pollen from 

 another flower of another individual ; 

 ~ FoUina'tion, dusting the stigma 

 of one flower with pollen from an- 

 other; '-' Septa'tion, division by 

 transverse septa ; '-' Type, in nuclear 

 division, the formation of tetrads. 

 Crossed-pits, cells in sclerenchyma, 

 with the slits on opposite walls at 

 right angles to each other. 

 crowd'ed, closely pressed together or 



tiiickly set. 

 Crown, see Corona; also (1) in 

 Characeae, the apex of the nucule ; 

 (2) in Diatomaceae, a series of teeth 

 connecting the frustules into fila- 

 ments, as in Stephaiwpyxis ; ~ of 

 the Root, the point where root and 

 stem meet; ~-gall, disease of the 

 root-crown of fruit-trees, ascribed to 

 a Myxogaster, Dovdrophagus (Tou- 

 mey) ; '^ rust, of cereals due to 

 ruccinia coronal a ; crowned, coro- 

 na'tiis, furnished with a coronet ; 

 crown'ing, coro' nans, borne on the 

 summit of an organ. 

 Cro'zier, "anything with a coiled end, 

 as the young leaves of most Ferns" 

 (Crozier). 

 cru'ciate, crucia'tits (Lat.), cross- 

 shaped, used especially of the 

 flowers of Cruciferae ; -^ Tetragon- 



