myrtiform 



myr'tiform, myrtiform'is (myrtus, the 

 myrtle, forma, shape), resembling 

 the myrtle; myrtoi'deus (eZSos, 

 like) is a synonym. 



myu'rus (^us, a mouse, ofy>a, a tail), 

 long and tapering like a mouse's 

 tail. 



Myxamoe'bae or Myxoamoe'bae, pi. 

 (/ttfa, mucus, a/Aoiffi, interchange), 

 the swarm-spores of Myxogastres ; 

 Myxogas'tres (ya.<rr^p, belly), Fries's 

 term for the group " Slime Fungi," 

 otherwise known as Myxomyce'tes 

 and MYCETOZOA ; Myx'on, a con- 

 stituent of wheat-gluten precipi- 

 tated by alcohol; myx'opod (TTOUS, 

 irodos, a foot), the amoeboid stage 

 in contrast to the mastigopod ; 

 Myx'ospore (O-TTO/XZ, a seed), a spore 

 formed in the sporangia of Myxo- 

 gastres ; adj. myxos'porous. 



Nahrlos'ung (Germ.), a nutrient solu- 

 tion for laboratory cultures ; by 

 mycologists usually restricted to a 

 solution of horse-dung. 



Nail, as a measure, about half an 

 inch in length, the average length 

 of a finger nail ; unguicularis. 



na'ked, wanting its usual covering, 

 as without pubescence, or flowers 

 destitute of perianth, or buds with- 

 out scales ; " seed'ed,(l) gymnosper- 

 mous; (2) formerly used of Labiates, 

 from a false idea of the fruit. 



nanan'drous (vavos, a dwarf, dvrjp, 

 avdpos, a man), used of certain Algae 

 which produce DWARF - MALES ; 

 Na'nism, Chodat's term for becom- 

 ing dwarf; na'nus (Lat.), dwarf, 



Cf. PUMILUS. 



napa'ceus (napus, a turnip, + aceus) ; 



na'piform (forma, shape), turnip- 

 shaped or rooted, 

 nap'py, tomentose. 

 Nar'ceine (vapKfj, numbness), an opium 



alkaloid forming silky, inodorous, 



bitter crystals. 

 Nar'cotine (vap/cwrt/cos, making numb), 



also an opium alkaloid, but of very 



little narcotic* power. 

 Nar'dine, pertaining to Nard, Nardo- 



stachys Jatamansi, DC. 



Neck 



nas'cent (nascor, to be born), in the 

 act of being formed ; ^ Tis'sue = 

 MEBISTEM. 



na'tant, na'tans (Lat., swimming), 

 floating under water, that is, wholly 

 immersed. 



na'tive, used by H. C. Watson for 

 undoubtedly indigenous. 



nat'ural, produced or effected by 

 nature; ~ Graft, when branches 

 are united by "approach" natur- 

 ally ; ~ Sys'tem, an arrangement 

 according to the affinity of the 

 plants, and the sum of their 

 characters, opposed to any arti- 

 ficial system, based on one set of 

 characters ; Naturaliza'tion, the act 

 of becoming naturalized ; natural- 

 i'zed, of foreign origin, but es- 

 tablished and reproducing itself as 

 though a native. 



Nau'cmn, pi. Nau'ca (Lat., a trifle), 

 (1) the fleshy part of a drupe (Lind- 

 ley) ; (2) seeds with a very large 

 hilum (Henslow) ; Nau'cus, certain 

 cruciferous fruits which have no 

 valves. 



naut'iform (nauticus, pertaining to 

 ships or sailors, forma, shape), = 

 navicular (Crozier). 



nave-shaped, round and depressed, 

 with a small opening, modioliform. 



Navic'ulae (pi. Navicula, a boat), free 

 frustules of Diatoms like those of 

 the genus Navicula ; navic'ular, 

 navicula'ris, boat-shaped, cymbi- 

 form ; navic'uloid (elSos, like), like 

 the genus Navicula. 



neb'ulose, nebulo'sus (Lat. vaporous), 

 (1) cloudy, misty, applied to such 

 finely divided inflorescences as 

 Eragrostis ; (2) used by Bischoff as 

 meaning smoke-coloured ( =ftimeu8). 



Necessa'ria (necessarius, unavoidable), 

 Linnaeus's term for a division of hia 

 Syngenesia ( = Compositae) in which 

 the ray florets are female and the 

 disk florets male. 



Neck (1), the collar or junction of 

 stem and root ; (2) the point where 

 the limb separates from the sheath 

 of certain leaves ; (3) the contracted 

 part of the corolla or calyx tube ; 



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