Paracyst 
Parasitus 
any appendage to a corolla, the 
corona of a flower; Par’acyst 
(kéorcs, a bag), Tulasne’s term for 
gametes in Peziza, etc.; Paradi- 
phyl'lum (dls, twice, @u'A)ov, a leaf), 
a double leaf resulting from dicho- 
tomy of the lamina (Kronfeld). 
par’affinoid (+ Paraffin, efdos, resem- 
blance), Kerner’s term for a group 
of scents, such as the Rose, Lime, 
and Elder. 
Paragalac’tan (apa, from beside, + 
Galactan), a reserve substance in 
the seeds of lupins; Parag’amy 
(yduos, marriage), vegetative or 
gametal nuclei lying in a con- 
tinuous mass of cytoplasm which 
fuse to form a zygote nucleus; 
apocyt‘ial ~, the vegetative nuclei 
of an apocytium which fuse to form 
an ‘‘ Qospore” in Saprolegnieae 
(Hartog); Paragen’esis (yéveois, be- 
ginning), all modes of reproduction 
resulting in a body which simu- 
lates a zygote in the same or allied 
forms (Hartog); Paraheliot’ropism 
(+ Hexrorrorism), diurnal sleep, 
the movements of leaves to avoid 
the effects of intense sunlight; cf. 
PARATHERMOTROPIC ; Parali’nin (+ 
Linn), the substance composing 
the nucleo-hyaloplasm (Schwarz). 
par’allel (mapddydos, parallel), ex- 
tended in the same direction, but 
equally distant at every part; ~ 
Chor'isis, lateral separation into 
two or more members; ~ nerved, 
~ ner’vis, ~ veined, parallelive- 
no'sus, straight nerved or veined ; 
(1) the lateral ribs straight as in 
Alnus ; (2) the entire system, as in 
the leaves of grasses ; parallelod’- 
romous, -mus (dpouos, a course), 
having parallel veins, as in lilies 
(Ettingshausen). 
paramerid’ian (7apa, from, beside, + 
MeEriIpIan), used of planes in a 
Diatom-frustule which are parallel 
to the meridian (O. Mueller); Para- 
mit‘om (+ Mzrrom), Flemming’s 
term for the more fluid portion of 
the cell-substance contained in the 
Mirom ; the paraplasma of Kupffer ; 
182 
Param’yl, Paramy’lum (é&vdop, 
fine flour), a mucilaginous sub- 
stance probably akin to starch, in 
the cytoplasm of some Algae, as 
Phaeophyceae and Rhodophyceae ; 
Parane’mata, pl. (vio, a thread), 
the paraphyses of Algae; adj. 
parane’matal, as ~ Fil’aments = 
PaRANEMATA; Paranu’cleolus (+ 
NvcLEo.0vs), a secondary nucleolus 
when there are more than one 
(Strasburger) ; Paranu’cleus (+ Nv- 
COLEUS), an apparently additional 
nucleus, generally near the true 
nucleus, and sometimes budded off 
from it; parapec’tic (+ PECTIC) 
Ac’id, derived from pectin by the 
action of alkalis; Parapec’tin, 
hydrolysed pectin ; Parapet/alum 
(réradov, a flower-leaf), any ap- 
pendage to a corolla, consisting 
of several pieces (Moench); para- 
pet’alous, -/us ; parapet’aloid (eldos, 
likeness), (1) bearing a parapet- 
alum ; (2) of stamens which stand 
on each side of a petal; Para- 
phyl'lium (@vAdov, a leaf), (1) = 
SriruLe; (2) a foliaceous expan- 
sion in some calyces; (3) a small 
interfoliar appendage on Moss- 
stems ; Paraph’yses (¢vots, growth), 
(1) sterile filaments occurring in 
the fructification of Cryptogams ; 
(2) the rays of the corolla in Passi- 
Jlora, the parastades; (3) formerly 
used for the cystidia of Fungi, 
~En'velope, the peridium of ee. 
dineae; adj. paraph’ysate; Para- 
plas’ma (m\dcua, moulded), the 
more liquid interfilar portions of 
rotoplasm; Paraplectench’yma (+ 
'LECTENCHYMA), a modification of 
hyphal-tissue (Lindau), 
Par’asite (rapdovros, one who lives at 
another’s expense), an organism 
subsisting on another (the host) ; 
~ Sap’rophyte, 4 parasite which 
kills its host and then continues 
to feed on it; parasit/ic, deriving 
nourishment from some other or- 
anism ; ~ Castra’tion, sterility in- 
uced by the effects of a parasite ; 
Parasi’tus spurius = EPipHyTE; 
