Jaculator 
(SUPPLEMENT) 
Latent Period 
Jac’ulator (Lat., a darter), a hook- 
like process on the placenta of 
certain fruits, which aids in the 
expulsion of the seeds, as in 
Acanthaceae (Boulger). 
Join’ing, used by Babingies for the 
point of union of two different 
parts ; a node. 
Jord’anism, an excessive multiplica- 
tion of so-called species, usually 
regarded as mere varieties which 
are tolerably constant under culti- 
vation ; the name is derived from 
Alexis Jordan of Lyons. 
junca/ceous, junceous, rush-like. 
juniperi‘nus, bluish-brown, like the 
berries of the juniper (Hayne). 
ju’venile (juvenilis, youthful), ap- 
plied by Goebel to the early forms, 
as the larval-forms of conifers. 
karpotrop’ic = CARPOTROPIC. 
Karyas'ter (+ AstHR), the spindle- 
figure of the nucleus; Karyochy- 
le’ma (xvAds, juice), proposed by 
Strasburger for ACHROMATIN ; 
Karyogam’etes (+GAMETE), game- 
tonuclei, their union is Karyo- 
@amy; Kar’yolymph ( + Lympz), 
the nuclear liquid; Karyorhex’is 
(pfés, a breaking), rapid dissolu- 
tion of a nucleus (Maire). 
Katab’olite, any product of destruc- 
tive metabolism ; cf. ANABOLITE ; 
Kat/alase, see CaTALASE; Kat’a- 
states, pl. (craros, a standing), 
intermediate products of katubo- 
lism, during the breaking down of 
protoplasm (Parker). 
Keel-punc’ta, pl., nodulated thicken- 
ings on one margin of the valves of 
Nitzschia (O'Meara). 
Key, (2) « clavis or short statement 
of the contrasted characters of a 
genus or other group. 
Kine’sis (xivyots, motion), movement, 
used by T. Engelmann in 
contradistinction to Taxis. 
Kin/oplasm (7Adcua, moulded), that 
part of cytoplasm involved in 
spindle formation, as contr sted 
with TRopHoPLAsmM; Kin’ospore 
(+Sprorz), a spore resulting from 
a simple process of division, as 
motile zoospore, conidia, pycnido- 
spores (Klebs). 
Kleisanthe’ry = CLEISANTHERY. 
klinotrop‘ic =CLINOTROPIC, 
Knobs, used by Sir J. E. Smith for 
CEPHALODIA. 
Knor’ria, formerly a genus of fossil 
plants, now used for lepidodendroid 
stems when their cortex has been 
stripped off to a considerable but 
variable depth (Scott). 
Knot-stage = SKEIN in nuclear divi- 
sion. 
koele’rian, relating to Rubus Koeleri 
or its close allies. 
Kollaplank’ton («é\\a, glue, + PLanE- 
Ton), used of organisms which float 
by being encased in gelatinous 
envelopes (Forel). 
Kremast’oplank’ton (xpeyaoros, hung 
up, + Puanxton), floating organ- 
isms supplied with appendages 
which conduce to that function, as 
hairs, prickles, etc. (Forel). 
Kryptocotyle’dons = CRYPTOCOTYLE- 
DONS. 
labioscop’ic (+ LaBium, oxordéw, I 
look), employed by Pfitzer for the 
condition of certain Orchids when 
the sepals are combined with an 
extension of the axis, as in Dry- 
moda. 
Laboulbenomyce’tes, Engler’s term 
for Laboulbeniaceae and their 
allies. 
Lacu’nae, (3) the vallecular canals of 
Lquisetum. 
Lage’nian, pertaining to Leinster, 
from Lagenia, the Latin name of 
that province. 
Lagenost’ome, the free apex of the 
nucellus in Lagenostoma. 
Lamel’la, middle, the membrane or 
primary septum between any two 
cells. 
lamina’rioid (eléos, resemblance), re- 
sembling or akin to the genus 
Laminaria. 
La‘tent Per’iod, the time required to 
take up any stimulus, and respond 
to it (Macdougal), 
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