Pleurocarpous 
plurivalvis 
(B\acrds, a bud), used of certain 
forms of Fungi, producing lateral 
outgrowths serving as haustoria ; 
pleurocar’pous, -pus (kapzds, fruit), 
applied to those Mosses which 
bear their fructification on lateral 
growths, cf. ACROCARPOUS ; pleuro- 
dis’cous (dicxos, a quoit), when an 
appendage is attached to the sides 
of a disc; pleurogy'rate, plenro- 
gyra'tus (yupes, round), when Fern- 
sporangia have the annulus _hori- 
zontal; pleurogyn’ius, pleurogyn’us 
(yur), @ woman), used when a 
glandular or tubercular elevation 
rises close to or parallel with 
the ovary; pleuroplas’tic (zAaords, 
moulded), Prantl’s term for a leaf 
in which the central po ‘ion first 
attains permauency, the meristem 
being marginal ; pleurorhi’zal, -zus 
(pifa, a root), when an embryo has 
its radicle against one edge of the 
cotyledons, which are then accum- 
bent; Pleur’osperms (o7répya, a 
seed), Angiosperms which began 
with chalazogamy, but have be- 
come porogamous (Nawaschin) ; 
adj. pleurosper’mic; Pleurospor- 
ang’ium (o7opa, a seed, ayyetov, w 
vessel), a@ sporangium which pro- 
duces pleurospores ; Pleur’ospore, 
a spore formed at the sides of a 
basidium in Basidiomycetes (Van 
Tieghem) ; pleurotri’bal, or pleur’o- 
tribe (rp/Bw, I beat), used of flowers 
whose stamens are adapted to de- 
posit their pollen upon the sides of 
insect-visitors. 
plexeoblas’tus + (Adis, a knitting, 
Bdacros, a bud), when cotyledons 
rise above ground in germination, 
but do not assume the appearance 
of leaves ; plex’us (Lat., a twining), 
a network. 
Pliéa, pl. Pli’cae (plico, I fold or 
plait), (1) a plait or folding; (2) 
the lamella in Fungi; (3) a disease 
of entangled twigs, the buds pro- 
ducing abnormally short shoots ; 
pli’cate, plica’tus, folded into plaits 
usually lengthwise; plicat’ilis(Lat.), 
the property of folding together ; 
Plica’tion, a fold or folding ; plic’a- 
tive, plicati’vus = PLICATE; Plic’a- 
ture, a fold or doubling ; plicat’u- 
late, the diminutive of plicate 
(Crozier); pli’ciform ( forma, shape), 
plait-like. 
Plococar’pium (ox, a tress, kapros, 
fruit) = FoLLicLE ; Plopocar’pium, 
an error for the last. 
Plum-pock’ets = BaG-PLUMS. 
Plumba’gine, a crystalline principle 
in the roots of Plumbago. 
plumb’eus (Lat., leaden), lead - col- 
oured. 
pluma‘tus (Lat.), feathered, pinnate. 
Plume (Lat., the down of a feather), 
Grew’s term for the PLUMULE; plu’- 
mose, plumo'sus (Lat.), feathered, 
as the pappus of thistles. 
Plu’mule, Plu'mula (Lat., a little 
feather), the primary leaf-bud of 
an embryo. 
plur-, plu’ri (Lat.), used as a prefix 
for many or several, as plurilocular, 
many-celled, etc. 
Plur-an’nual (+ ANNUAL), L. H. 
Bailey’s word for an annual plant, 
which is so only by being killed by 
the cold at the end of the season, 
as Reseda odorata, Linn.; pluri- 
cel’lular( + CELLULAR), many-celled ; 
plu’riceps (-ceys from capul, a head), 
with more than one head, as many 
roots; plurifo’liate, plurifo’lious 
(folium, a leaf), having several 
leaves ; plurifo’liolate, with several 
or many leaflets ; pluriflor’ous, -rus 
(flos, floris, a flower), with several 
flowers; pluriloc’ular, plurilocula'ris 
(loculus, a little place), many- 
celled ; pluripar’tite, pluriparti'/us 
(partitus, divided), deeply divided 
into several nearly distinct por- 
tions; pluripet’alous (réradov, a 
flower-leaf), polypetalous; pluri- 
sep'tate (septwm, an enclosure), 
with several partitions; pluri- 
spor’ous (omopd, a seed), having 
two or more seeds; pluriv’alent 
(valens, strong), used of nuclear 
divisions in which each element is 
composed of two normal elements 
(Haerker); plurival'vis (+ VaLva), 
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