Merogamy 



(SUPPLEMENT) 



metatrophic 



but only its cytoplasm or nucleus 

 (Dangeard) : Merog'ony (yovri, off- 

 spring), fertilization of the oogonia 

 of Cystoseira, without nuclei 

 ( Winkler) ; Meroplank'ton ( + 

 PLANKTON), that found only at 

 certain seasons of the year (Forel); 

 mesochthonoph'ilus (xO&v, the 

 ground, <f>i\tu, I love), dwelling 

 in midlands ; Mesochtnonophy'ta 

 (<f>vr&v, a plant) midland plants ; 

 Mesocnthonophy'tia, midland plant 

 formations (Clements); mesoclad'- 

 OM8,-dw (xXctSos, a branch), possess- 

 ing branches of medium length ; 

 (Russow) ; Mes'ocyst Otforts, a bag), 

 the definite central nucleus of the 

 embryo-sac with which the second 

 antherozoid fuses to form a TRO- 

 PHIME (Van Tieghem); Mes'odes, 

 pi., the two medium cells of the 

 embryo-sac of Angiosperms which 

 contain the polar nuclei (Dangeard ; 

 Mesog'amy (ydpos, marriage), a 

 process of fertilization in cer- 

 tain Urticaceae, intermediate be- 

 tween Basigamy and Acrogamy 

 (Pirotta and Longo), adj. meso- 

 gam'ic; Mesomel'itae, pi. (mel. 

 honey), Huxley's term for a series 

 of Gentianeae which have honey- 

 glands in the central portion of 

 the flower ; cf. PERIMELITAE ; 

 Mesometatrop'ic (+ METATROPIC), 

 when the " first ovary receives 

 pollen from an anther associated 

 with a second ovary, but the 

 second ovary receiving pollen from 

 the anthers of the first plant not 

 associated with the first ovary " 

 (K. Pearson) ; Mesomyce'tes (AU^S, 

 a mushroom), a group intermediate 

 between Phycomycetes and the 

 higher Fungi (Warming) ; Meso- 

 pet'alum (reroXw, a flower-leaf). 

 Pfitzer's term for the LABELLUM of 

 Orchids ; mesoph'ilus (0tXew, I love), 

 dwelling in moist lands; Meso- 

 pby'ta (<j>vrbv, a plant) ; (2) moist 

 land plants; Mesophy'tia, moist land 

 plant formations (Clements) ; mes- 

 othermoph'ilus (0iX<fo, I love), 

 dwelling in the temperate zone ; 



Mesothermophy'ta (QvTbv, a plant) 

 = MESOTHEEM ; Mesothermopliy'tia 

 temperate plant formation (Cle- 

 ments) ; mesophy 1'lous, -lus 

 (0uXXoi'), a leaf), having leaves of 

 median length or average size for 

 the genus (Russow) ; Mes'ospore 

 (+ SPORE), the middle portion of 

 the spore of Isoetes (Fitting) ; 

 Mesosporin'ium, the middle coat of 

 pollen in Angiosperms (Fitting). 



Mess'mates, used by A. C. Jones for 

 SYMBIONTS. 



Mes'tome-bun'dle, a fibre - vascular 

 bundle ; ~ Sheath, bundle-sheath. 



metabio'tic, relating to METABIOSIS ; 

 Metab'olite, a product of metabol- 

 ism ; Metachlamyd'eae (xXa/ws, a 

 cloak), Engler's term for GAMOPET- 

 ALAE ; Age of ~MacMi Han's term 

 for the present age, subsequent to 

 the Glacial Epoch; Metachlorophyl' 

 lin ( + CHOROPHYLLIN), a class of 

 chlorophyll derivatives, the crys- 

 tallizable chlorophyll (Tsvett) ; 

 Metader'ma (5^/xa, a skin), a 

 modified tissue which takes the 

 place of cork in some structures, 

 but does not possess the 

 properties of cork (A. Meyer) ; 

 Metag'yny (yw^, a woman), 

 with male flowers sexually mature 

 before female (Loew) ; protandry; 

 Metanaphy'tosis ( + ANAPHYTOSIS), 

 the formation of the floral en- 

 velopes ; Metan'dry (aviip, avdpbs, a 

 man), the female flowers ready 

 before the male ; protogynous ; 

 Metaphyll'a, pi. ((frvXXov, ^a leaf), 

 the mature leaf, as opposed to the 

 juvenile form (Goebel) ; Metanthe'- 

 sis (avOyais, flowering), retarded 

 floral development, as opposed to 

 PROANTHESIS (Wittrock) ; meta- 

 plast'ic (irXaffTos, moulded), formed 

 of METAPLASM ; metatop'ic (roVoy, 

 a place), refers to imbricate bud- 

 covering which has departed from 

 the course of the normal genetic 

 spiral, by secondary development 

 (Pax) ; metatrophic (rpo^Tj, food), 

 applied to bacteria restricted to 

 substances fabricated by "" 



