Microdiode 



Midsummer Growth 



Microdi'ode, the same botanist's 

 expression for a pollen - grain ; 

 Mi'croform (forma, shape), used of 

 a heteroecious Fungus with tel- 

 eutospores only, which germinate 

 only after a resting period ; 

 Microgam'etes (+ GAMETE), the 

 smaller and male motile cells 

 of Algae; Mi'crogerm (germen, 

 offshoot) = MICROBE ; Microgon- 

 id'ium (+ GONIDIUM), a small 

 gonidium, as compared with others 

 produced by the same species ; 

 Micromelittoph'ilae (yueXirra, a bee, 

 0iXew, I love), applied to those 

 flowers whose fertilisation is 

 effected by small bees and similar 

 insects; the attraction is incom- 

 prehensible by human sense ; 

 Microm'eter (per pov, a measure), a 

 device or apparatus to measure 

 minute dimensions ; Micromil'li- 

 meter, the thousandth part of a 

 millimeter, and the unit of micro- 

 scopic measurement, denoted by 

 the sign /A ; Micromyioph'ilae (/tvia, 

 a fly ; 0iXeo>, I love), flowers which 

 are fertilised by small flies which 

 are of ten imprisoned; adj. micromy- 

 ioph'ilous ; microphyl'line ((f>v\\oj>, 

 a leaf), composed of small leaflets 

 or scales ; Mi'crophyte (<t>vrov, a 

 plant), used of bacteria ; adj. micro- 

 phyt'ic ; Micropuccin'ia, with selen- 

 tospores only (Piowright) ; Mi'cro- 

 pyle (TTU'XT;, a gate), the aperture 

 in the skin of the seed formerly 

 the foramen of the ovule, it 

 marks the position of the ra- 

 dicle; adj. microp/lar ; Microscle'- 

 rote (ffK\rip6s, hard), a sclerotium 

 modified by unfavourable vital 

 conditions, after a resting period 

 it develops into a perithecium 

 (Zukal) ; Mi'crosome, Microso'ma, 

 pi. Microso'mata (crtDyua, a body), 

 in the plural applied to small 

 granules embedded in the proto- 

 plasm; Microsporan'gium ( + 

 SPORANGIUM), a sporangium which 

 produces microspores ; microspor- 

 an'giate Flow'er, male, or staminate 

 flower; Mi'crospore (<T7ro/m, seed), 



(1) the smaller sized spore in hetero- 

 sporous plants, as Selaginella ; (2) 

 of late years applied to the pollen- 

 grain ; adj. microspor'ic, micros' - 

 porous ; Microspor'ophyll (<t>6\\ov, 

 a leaf), a leaf-like organ bearing 

 microsporangia ; microsporopliyr- 

 lary Flow'er, a male or staminate 

 flower ; Mi'crostome (ffrbfut, a 

 mouth), a small orifice ; Microsty'- 

 lospore ((TTvXos, a column, airopk, 

 seed), stylospores of a small size, as 

 in Locularia ; microstylous, short- 

 styled, as applied to dimorphic 

 flowers ; Microsym'biont ( + SYM- 

 BIONT), the smaller of the two 

 associated organisms ; Mi'crotherm 

 (6e'pfj.i), heat), used for plants 

 characteristic of the arctic alpine 

 zone, in England needing protec- 

 tion from drought and direct 

 sunlight ; Mi'crotome (TO/AT;, a 

 cutting), an instrument for section- 

 cutting for microscopical purposes ; 

 Microzoogloe'a (faov, an animal, 

 7X016?, a sticky substance), a stage 

 of Schizomycetes when they are 

 immersed in a gelatinous envelope ; 

 Microzoogonidlum ( + GONIDIUM), a 

 motile form of microgonidium ; 

 Microzo'ospore (cnropa, seed), a 

 motile spore, small in size com- 

 pared with others of the same 

 species; Microzo'oid (eTSos, resem- 

 blance), small motile reproductive 

 cells in some unicellular Algae, as 

 Sphaerella (Hazen) ; Mi'crozyxne 

 (V7, yeast), Be"champ's name for 

 microbes and small ferments. 



mid, intermediate ; used by H. C. 

 Watson for ~ agrar'ian, and ~ 

 arctic zones of vegetation ; ~ Er'ror, 

 see DEVIATION. 



mid'dle, central ; ~ Lamel'la, the mem- 

 brane primary septum between 

 any two cells ; <~ Lam'ina, in a 

 lignified cell-wall, the portion be- 

 tween the <~ LAMELLA and inner 

 lamina ; ~ Lobe, see LOBE, Middle. 



Mid'rib, the principal nerve in a leaf. 



Mid'summer Growth, a second start 

 into growth after ceasing ; it does 

 not occur in all trees. 



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