mimosaceoiu 



moltiploid 



mimosa'ceous, resembling or akin to 

 Mimosa Linn. 



Min'imal Ar'eas, the tendency for 

 an organism to be compressed into 

 the least bulk (Berthold). 



Mitochon'drium, a chondriosome ; 

 now reserved for smaller structures 

 which do not form plastids ; B{ito- 

 plast', a band appressed to the 

 nuclear membrane of Selaginella 

 Spring, which divides just before 

 cell-division ; successive divisions 

 of this band give rise to several 

 chloroplasts (Dangeard). 



Mizochro'mosome (-1- Chromosome), a 

 hypothetical complete fusion of 

 synaptic mates to form a new 

 chromosome ; mixotroph'ic, fed 

 by holophytic and saprophytic 

 nutrition (Minchin). 



Mode Spores, due to Mo'dal Varia'tion, 

 variation in size and shape due to 

 the substratum on which the 

 fungus is growing (Brierley). 



Molinie'tam, an association of Molinia 

 Schrank. 



monarthrodacty'lous {dpdpov, a joint, 

 + Dactyl), with the ultimate 

 branches of a single cell in Nitella 

 Ag. ; monochromoso'mic (+ Chro- 

 mosome), an idiomere having only 

 one chromosome (Chodat) ; mono- 

 clin'ic {kXIvt], a bed), having one 

 oblique intersection, applied to 

 crystals ; monoclo'nal (kAcHv, a 

 little branch), succession derived 

 asexually from a common ancestor, 

 a single Clone (Agar); mono- 

 fa'cial (+ faclll), a leaf equitant as 

 that of Iris (Archer) ; Monogen'esis, 

 add, (2) origin of a new form at a 

 single place or time (Clements) ; 

 Monocotyle'dony, the state of pos- 

 sessing a single cotyledon (Jeffrey) ; 

 Monokar'yon, a nucleus with a 

 single centriole, a centrosome 

 (Minchin) ; mon'okont {kovtos, 

 a pole), having a single flagellum 

 (Church) ; Monole'psis, add, 



maternal or paternal ; monomas'ti- 

 gote = monokont ; Monophyle'sis 

 {<l>vXrj, a clan), origin from a single 

 ancestral type (Clements) ; mon'o- 



some = haploid ; monomer'ic, cf. 

 monomerous ; monosp'orous, hav- 

 ing only one spore ; monosterig- 

 mat'ic, with a single sterigma, 

 appHed to fungi (Buller) ; mono- 

 trich'ic, cf. monotrichous ; Mono- 

 type, a genus having but one 

 species ; monozy'gous {^vyos, a 

 yoke), used by Frost for linked. 



Mon'te FOrma'tion, bush-land of 

 thorny growth (Lorentz). 



morcherioid, resembling Morchella 

 Linn., as regards the hymenium. 



Mor'ea [iiopov, the black mulberry), 

 a hypothetic and non-existent 

 stage of Volvox, as a Mor'ula (Janet). 



Mor'es, pi. of Mos (Lat. custom), 

 groups of organisms agreeing in 

 habit, reproduction and reaction ; 

 Consocies are groups of Mores 

 ( Shelf ord). 



Mor'gan, unit of distance in a chro- 

 mosome ; cf. Centimorgan, name 

 derived from T. H. Morgan. 



morphocytolog'ical, evidence drawn 

 from systematic and genetic 

 sources (Jeffrey). 



Mosaic, add, (3) used by Church as a 

 pattern characteristic of each 

 species, e.g. leaf-mosaic ; (4) ~ 

 Variabil'ity, due to conditions 

 within the habitat (Vestal). 



Mother-of-Coal, charred wood found 

 in coal (Jeffrey). 



Mu'cilage, add, ~ Ducts, cf. Muci- 

 lage-canal; /^ Glands, secreting 

 organs at the back of the leaf- 

 sheaths and axils in Plumbagineae 

 (Wilson and de Fraine) ; ~ Hairs, 

 " trichome growths" in certain 

 Phaeophyceaen algae (Church) ; 

 Mu'cus, add, (2) used for the gela- 

 tinous envelope of the nucule in 

 Characeae. 



Mul'tiple Fac'tors, a series of similar 

 factors which produce F, as 3:1, 

 15:1, 63:1 (1, 6, 21) (Nilsson- 

 Ehle); Mul'tiplets, cf. Multiplex 

 (Worsdell); mul'tiploid, occurring 

 in even multiples ; applied to 

 genera differiug in number of 

 chromosomes ; cf. dysploid, 

 perissoploid (Jeffrey). 



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