neutrifloriis 



nodal 



{Jlos, fioris, a flower), used of the 

 ray-florets of Coiupositac ulieii 

 neuter; neu'trophile {(piX^u, I love), 

 a lij'brid word for elements which 

 do not take up either acid or basic 

 stains, as hyalosomes. 



new, the first publication of a genus, 

 species, variety or form. 



Newto'nian Curve, called also the 

 binomial or Galtonian curve, a 

 graphic representation of varia- 

 tions -I'lotted geometrically in 

 two dimensions ; the Half- Galtonian 

 Curve is a similar scheme, from the 

 maximum to minimum, or vice 

 versa. 



Nex'us (Lat.), a connection. 



nicked, emarginate or notched 



nicotia'nus, tobacco-coloured, from the 

 genus Nicotiana ; it usually means 

 a full brown ; Nic'otin, an alkaloid 

 found in tobacco-leaves. 



nido'sus = nidoro'sus (Lat., reeking), 

 having a foul smell, as of l»urnt 

 meat or rotten eggs. 



nid'ulant, ?i/V/ti/a?is (Lat , nesting), (1) 

 partially encased or lying free in a 

 cavity, as the gemmae of Mar- 

 chantia'y (2) embedded in pulp, as. 

 tlie seeds in a berry ; nidula'tus 

 (Lat.), nested, nestling; Nidular'- 

 ium, "the mycelium of certain 

 Fungals " (Lindley). Note.— There 

 is a genus of Fungi named Xidu- 

 laria, Fries. 



Ni'dus (Lat., a nest), a favourable 

 place for a seed or spore to ger- 

 minate. 



Niederblat'ter (Germ.)=CATAPHYLLA. 



ni'ger (Lat.), black. 



Night-position, the position assumed 

 by leaves during darkness, the 

 edges usually being turned towards 

 the zenith. 



Nigre'do (Lat.), blackness; nigres'cent, 

 nic/rca'cens (Lat.), turning black; 

 ni'gricant, -li'gricans (Lat.), becom- 

 ing black ; this and the last are 

 used for tints which turn black with 

 age ; ni'gritus (Lat. ), blackened, 

 clothed in black. 



Nipe'tum, an association of Nipa 

 palms. 1 



249 



ni'pho- {vic^o}, to snow), Drude's prefix 

 for terms to denote snow. 



Nip'ple, = Papilla. 



niteli'nns (Lat., pertaining to a dor- 

 mouse), dormouse-coloured. 



nit'id (Crozier), = nit'idous, nit'idus 

 (Lat., shining), smooth and clear, 

 lustrous. 



Nitriflca'tion [nilrum, nitre; -f tica- 

 tion), the action of a nitric ferment 

 resulting in the production of 

 nitrates and nitrites; Nitrobacte'ria 

 ( 4-Bactehia), bacteria which pro- 

 duce nitrification by their action ; 

 Nitroceriulose (+ Cellulose), see 

 Cellulose. 



nitroph'ilous {virpov, potash or soda; 

 (piX^co, I love), used of alkali-loving 

 plants ; Ni'trophytes {(purhv, a 

 plant), potash-loving plants, thriv- 

 in£f best on soils attbrding most 

 alkalies (Schimper). 



Nit'schia-plank'ton (-f Plankton), 

 floating masses of the Diatom-genus 

 NitscJi id. 



Ni'valflora, the flora above the snow- 

 line ; nivalis (Lat., snowy); (1) 

 growing in or near the snow ; (2) 

 more correctly snow-white; niv'eous, 

 niv'cus (Lat, snowy), snow-white; 

 pure and lustrous. 



Nix'us (Lat., an effort), affinity, as of 

 one species to another of the same 

 genus. 



no'bis (dative pi. of ct/o, I), used as 

 an authority in defining species, 

 etc. 



Nocona'mum (deriv. 1), Necker's term 

 for the sporangium of Sclagi- 

 neUa (?). 



noctur'nal [nocturnaJis, 



occurring 

 night 



at night, or 



by night), 

 lasting one 



only. 

 no'dal {nodus, a knot), relating to a 

 XoDE ; '-' Cell, a cell at the base of 

 the oogonium in Cluira interposed 

 between the egg-cell and the stalk- 

 cell, Avith the " Wendungszelle " ; 

 '^ Di'aphragm, any septum Avhich 

 extends across the hollow of the 

 stem at a node ; '- Plex'us, the net 

 or transverse girdle of bundles 

 which sometimes exists at a node ; 



