myrtiform 
Neck 
myr‘tiform, myrtiform'is (myrtus, the 
myrtle, forma, shape), resembling 
the myrtle; myrtoi’deus (eldos, 
like) is a synonym. 
myu'rus (us, a mouse, otpa, a tail), 
long and tapering like a mouse’s 
tail. 
Myxamoe’bae or Myxoamoe’bae, pl. 
(ubia, Mucus, duoBh, interchange), 
the swarm-spores of Myxogastres ; 
Myxogas'tres (yaortp, belly), Fries’s 
term for the group “Slime Fungi,” 
otherwise known as Myxomyce’tes 
and Mycerozoa; Myx’on, a con- 
stituent of wheat-gluten precipi- 
tated by alcohol; myx’opod (zois, 
moos, a foot), the amoeboid stage 
in contrast to the mastigopod ; 
Myx’ospore (copa, a seed), a spore 
formed in the sporangia of Myxo- 
gastres ; adj. myxos’porous. 
Nabrlés’ung (Germ.), a nutrient solu- 
tion for laboratory cultures; by 
mycologists usually restricted toa 
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,(1) gymnosper- 
mous; (2) formerly used of Labiates, 
from a false idea of the fruit. 
nanan’drous (vavos, a dwarf, dvip, 
avdpos, a man), used of certain Algae 
which produce DwarrF- 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. 
nappy, tomentose. 
Nar’ ceine (vdpxy, numbness), an opium 
alkaloid forming silky, inodorous, 
bitter crystals. 
Nar’cotine (vapxwrixds, making numb), 
also an opium alkaloid, but of very 
little narcotic power. 
Nar’dine, pertaining to Nard, Nardo- 
stachys Jatamansi, DC. 
nas’cent (nascor, to be born), in the 
act of being formed ; ~ Tis’sue = 
MERISTEM. 
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- 
ized, of foreign origin, but es- 
tablished and reproducing itself as 
though a native. 
Nau’cum, pl. Nau'ca (Lat., 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 (pl. Navicula, a boat), free 
frustules of Diatoms like those of 
the genus Navicula; navic'ular, 
navicula'ris, boat-shaped, cymbi- 
form ; navic’uloid (edos, 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(=/fumeus). 
Necessa’ria (necessarius, unavoidable), 
Linnaeus’s term for a division of his 
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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