Eugenol 



Evolution 



Eu'genol, the chief constituent of oil 

 of cloves, obtained from Pimento, 

 acris, Kostel., and other myrtace- 

 ous plants, formerly referred to 

 Eugenia. 



eugeog'enous (eP, well, 777, the earth, 

 yewdu, I bring forth), Thurmann's 

 word to indicate rocks readily 

 yielding detritus and the plants 

 which grow on it ; Eunu'cleole 

 ( + NUCLEOLE), used by Rosen for 

 an ery throphilous nucleus ; Euisog'- 

 amy (yd/j.os, marriage), the union 

 of a gamete with any other similar 

 gamete (Hartog). 



Eupato'rine, an alkaloid occurring in 

 Eupatorium ccmnabinum, Linn. 



Euphor'bium, an acrid inspissated 

 juice or resin from various species 

 of Euphorbia. 



euphotomet'ric (eS, well, 0cDs, ^OTOS, 

 light, /J.{TPOV, a measure), used of 

 leaves which place themselves so 

 as to obtain the maximum of dif- 

 fused light, as the foliage of forests 

 (Wiesner). 



Eu'phylls (ev, well, 0u\Xo^, a leaf), 

 true leaves, foliage leaves ; eu- 

 phy'toid (<PDTOV, a plant ; eI5os, 

 like) Par'asites, are erect land 

 plants, parasitic in habit (Johow) ; 

 eu'schist ((JxtoTos, split), when a 

 gamete is formed by successive com- 

 plete divisions from the parent- 

 cell, the Gametogonium (Hartog) ; 

 eusporang'iate (ffwopa, seed, tiyyeiov, 

 a vessel), in Pteridophytes, possess- 

 ing a sporangium, a Eusporan'gium, 

 derived from a group of superficial 

 cells; Eusporophy'ta(0DToc, aplant), 

 Cryptogams defined by C. Mac- 

 millan as "self-supporting, and do 

 not nurse the gametophytes,e.r/. the 

 higher mosses, the lower fern- 

 worts and club-mosses " ; Eu'stathe 

 J (ffTaO/uLos, abode), "the external 

 layer of a cell " (Lindley). 



Euthybas'id (eu8us, direct), Van 

 Tieghem's word for those basidia 

 which spring directly from the 

 sporophore ; c/. PROBASID ; Eutby- 

 morph'osis (iJafifnans, a shaping), 

 the rapid succession of members of 



different form on the same stem, 

 buds, etc., polymorphism (Caruel). 



eu'thyschist (ei)0i)s, immediately, 

 ffXiaTos, split), brood-division, when 

 each nuclear division is accom- 

 panied by cell division (Hartog). 



eutrop'ic (ev, well, rpowos, direction), 

 A. Gray's word for twining with 

 the sun, that is, left to right, 

 dextrorse ; Eu'tropy, applied by 

 M'Leod to those flowers to which 

 only a restricted class of specialised 

 insects can gain access. 



evalv'is, evalv'ular (e, priv., valva, 

 leaf of a door), destitute of valves, 

 not opening by them. 



evanes'cent (evanescent, vanishing), 

 soon disappearing, lasting only a 

 short time ; evaniscen'ti-veno'sus, 

 when the lateral veins of a leaf do 

 not reach the margin. 



Evaporation (evaporatio, vapouris- 

 ing), to pass off in vapour. 



e'ven, without inequalities of sur- 

 face ; E'venness, absence of eleva- 

 tions or depressions ; evenpin'nate 



= ABRUPTLY-PINNATE (Crozier) ; 



ev'ergreen, bearing green foliage 

 all the year ; everlasting, used of 

 some flowers which preserve their 

 shape and colour in drying, as 

 species of Gnaphalium, Helichry- 

 sum, etc. 



ever'niaeform (forma, shape), like 

 the thallus of Erernia, a genus of 

 Lichens ; Ever'nine, a principle 

 found in the same genus ; evern- 

 io'id (eldos, like), resembling 

 Evernia. 



Ever'sion (eversio, an overthrowing), 

 protrusion of organs from a cavity, 

 turned backward or outward ; 

 evert'ed, turned inside out. 



ev'ident (evidens, manifest), clearly 

 visible. 



evit'tate, evitta'tus (e, priv., vitta, a 

 fillet), not having VITTAE, oil- 

 reservoirs in the fruit of Umbelli- 

 ferae. 



e'volute (evolvo, I roll forth), unfold- 

 ed, turned back ; Evolu'tion, (1) 

 the act of development ; (2) the 

 theory according to which complex 



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