embryonal 



endarch 



nal, embryona'lis, relating to the 

 embryo ; Tubes, tubular struc- 

 tures which develop in Abietineae, 

 forming the suspensor ; <- Ve'sicle, 

 the ob'sphere ; Embryol'ogy (\fryos, 

 discourse), study of the embryo ; 

 embry'onary Sac = embryo sac ; 

 em'bryonate, having an embryo 

 (Crozier) ; embryon'ic, rudimentary, 

 in an early stage, ~ Branches, in 

 Chara, peculiar branches resembling 

 an embryo, which become separate 

 and grow into new plants; ~ Spheres, 

 see under EMBRYOGENIC SPHERES ; 

 Em'bryophore (0opew, I carry), in 

 Equisetum the homologue of the 

 suspensor of Phanerogams and 

 Selaginella, the lower of the two 

 cells first cut off by a septum in 

 the oosphere, then again sepa- 

 rated, and this time forming 

 the lower two of the quad- 

 rants, one becoming the "foot," 

 the other the first root ; Embryo- 

 pbyta ((pvTw, a plant), plants pos- 

 sessing embryos, divided into r*> 

 Siphonogam'ia,havingpollen-tubes, 

 practically all flowering plants, 

 and "" Zoidiogam'ia, with ciliated 

 spermatozoids, practically Crypto- 

 gams ; Embryote'ga, - tegum, 

 -tegium, -stega (reyji, a covering), 

 a callosity in the seed coat of some 

 seeds near the hilum, and detached 

 by the pfotusion of the radicle on 

 germination ; Embryotroph'a (T/JO^T?, 

 nourishment) (1) perispermium ; 

 (2) amnios (Henslow). 



Emergence (emergo, I come forth), 

 an outgrowth from the surface, 

 differing from hairs in arising from 

 more than the superficial cells, and 

 from spines, in arising from a few 

 layers only; prickles, warts, etc.; 

 emer'gent, emerg'ens, used of 

 capsules which rise slightly above 

 the perichaetium ; emer'sed, em- 

 er'sus, raised above and out of the 

 water. 



Em'etin, a supposed alkaloid from 

 Ipecacuanha and similar emetic 

 roots. 



Em'odin, a glucoside obtained from 



buckthorn and a species of rhubarb, 

 Rheum Emodi, Wall. 



empa'led, Grew's term for hemmed 

 in, as the flower by the calyx ; 

 Empalement, = CALYX ; Empalers 

 = calyx segments. 



empenna'tus t (Mod. Lat.), pinnate. 



emphysemato'susj (t/j.<pv<r<iu, I breathe 

 upon), bladdery. 



Emph'ytism (e/x0i>s, inhering). W. D. 

 Cope's term for inherited or simple 

 type of growth force ; Empnyto- 

 gen'esis (yiwu, beginning), the 

 origin of inherited growth force 

 (W. D. Cope). 



Empiric Di'agram, a scheme showing 

 the relative number and position of 

 parts of a flower as seen by inspec- 

 tion. 



em'pty, void ; <~ Glumes, one or more 

 glumes subtending a spikelet in 

 grasses enclosing one or more 

 flowers. 



Emul'sin (emulsus, milked), an enzyme 

 acting upon glucosides, found 

 plentifully in almonds. 



enantioblast'ic,-tous (evavra, opposite, 

 /SXctords, a shoot), having the em- 

 bryo at the end of the seed dia- 

 metrically opposite the hilum. 



Ena'tion (enatus, sprung up), having 

 outgrowths from the surface. 



Encarp'ium (ev, in, Kapwbs, fruit). 

 Trattinick's term for sporophore. 



Enca'slng, of protoplasm, the forma- 

 tion of cellulose- caps by the proto- 

 plasm in the cells of certain tri- 

 chomes (Haberlandt) ; Germ., Ein- 

 kapselung. 



Enchyle'ma (<?7%eco, I pour in, XTJ/XI;, 

 rheum), the more fluid portion of 

 the cytoplasm (Hanstein). 



encyst'ed (tv, in, /c&ms, a bladder), 

 enclosed in a bag, or invested with 

 a coating when in a non-motile 

 state, as some unicellular plants. 

 Encyst'ment, the condition of being 

 encysted. 



end'arch (ev8ov, within, apx^i, begin- 

 ning), applied to a bundle in which 

 the primary xylem, in most Phaner- 

 ogams is wholly centrifugal, cen- 

 troxylic. 



