Eunucleoli 



(SUPPLEMENT) 



exotropic 



of Primula and Gunnera (Breb- 

 ner) ; Eunucle'oli ( + NUCLEOLUS), 

 a class of nucleoli which persist 

 in nuclear division after the 

 PSEUDONQCLEOLI have disappeared 

 (Rosen) ; Euparthen'osperm, Mac- 

 Millan's term for plants in which 

 both embryo and endosperm are 

 parthenogenetic ; eupelaglc ( + 

 PELAGIC), plankton confined to the 

 ocean ; Euplank'ton ( + PLANKTON), 

 free - floating organisms (Forel) ; 

 eupot'amic (iroTa/zds, a river), ap- 

 plied to the plankton of running or 

 standing inland waters (Zimmer) ; 

 euphotomet'ric (+ PHOTOMETRIC), 

 Wiesner's expression when leaves 

 are so placed as to receive the 

 greatest possible amount of light ; 

 Euphylla, pi., true leaves; adj. 

 euphyl'loid, euphylloid'eus ; eurad'- 

 ulan, employed by batologists to 

 denote similarity to Rubus Radula. 



eurotophllus (eupcbs, mouldiiiess, 

 (friXtw, I love), dwelling in leaf- 

 mould ; Eurotophy'ta ((j>vrov, a 

 plant), leaf-mould plants ; Euro- 

 . tpphy'tia, leaf -mould plant forma- 

 tions (Clements). 



eurycladous (efyfo, broad, xXdSos, a 

 branch), employed by Russow for 

 laxus ; euryhal'ine (<S\s, dXos, salt), 

 plankton adapted to varying con- 

 ditions of salinity (Forel) ; eury- 

 pho'tic (0cbs, 0wTos, light), adapted 

 to light of varying intensity (Forel); 

 Eu'rytherm (6tpw heat), applied to 

 bacteria capable of enduring grr at 

 heat ; adj. eury thermic. 



Eu' stele ( + STELE), Brebner's term for 

 the monostele of typical dicotyle- 

 dons, a ring of meristeles, including 

 pericyclic and ground tissue ; adj. 

 euste'lie ; the condition is Euste'ly ; 

 Euthallophytes, Euthallophy'ta, 

 Engler's term for THALLOPHYTES 

 exclusive of Myxogastres ; by 

 Wettstein employed in a more 

 restricted sense ; eutroplc, (2) 

 those flowers which display Eu- 

 TROPY. 



Evec'tion (evectus, carried), in Clado- 

 phora the initial cells of the 



branches springing from the sides 

 of the upper end of the mother- 

 cell (Brand). 



ever'nioid (el5os, resemblance), like 

 the genus Evernia (Leighton). 



Excoria'tion (ex, out of, corium, skin), 

 the falling off of the outer layer of 

 the terminal cells of glandular or 

 capitate hairs, as in Geranium 

 (Heinig) ; Excortica'tion (corticatus, 

 covered with bark), the stripping 

 of bark; exendotroplc (+ ENDO- 

 TROPIC), when fertilized from an- 

 other flower of the same or a 

 different plant (K. Pearson) ; Ex- 

 endot'ropy, the condition itself; 

 exhomotroplc ( + HOMOTROPIC), 

 when fertilized from the anthers of 

 the same, or a different plant (K. 

 Pearson) ; Exhomot'ropy, is the 

 condition described; Exhy'menine 

 ('VV a membrane) = EXTINE. 



Exit, the inner aperture of the slit 

 of a stoma ; in Germ. " Ausgang." 



Ex'ocarp, Exocar'pium (!o>, outside, 

 Kapiros, fruit), the outer layer of a 

 pericarp ; exogam'ic (yd/u-os, marri- 

 age), when flowers are crossed from 

 different plants (K. Pearson) ; exo- 

 hadromat' ic ( + HADROME), exterior 

 to the hadrome ; cf. PERIHADRO- 

 MATIC; Exomerlstem (+ MERI- 

 STEM), Russow's term for the meri- 

 stem which produces all the tissues 

 of a Moss outside the central- 

 strand, namely, cortex and epider- 

 mis (Vaizey) ; Exopleu'ra (irXevpa, 

 the side) = TESTA (Heinig) ; Exo- 

 prothall'eae, Van Tieghem's term 

 for vascular cryptogams ; Ex'o- 

 spore (+ SPORE), the three outer 

 layers of the spores of Isoetes 

 (Fitting) ; Exosporin'ium, the outer 

 integument of a pollen-grain, or 

 microspore, of flowering plant 

 (Fitting) ; Exotest'a ( + TESTA), " 

 hard outer layer of a seed-cc 

 (F. W. Oliver)'; Exotlsm, a si 

 ened form of Exoticism, the 

 dition of non-nativity, introduc 

 from abroad ; exotropic, fertilis 

 from anthers of the same plant 

 (K. Pearson), 



322 



