pachycladous 
(SUPPLEMENT) 
Pectines 
pachyclad’ous, -dus (x\ddos, a branch), 
thick-branched (Russow); pachy- 
der’matous, =PACHYDERMOUS. 
Palaeobot’anist, a student or expert in 
tossil botany. 
palisa’dic, relating to the palisade 
cells. 
Pal’mid, J. Smith’s term for Palms, 
Cycads and Tree-ferns of palm-like 
aspect. 
palmogloe’an, allied to Palmogloea, 
or resembling it (Archer). 
Pag’ium (d-yos, a peak), w succession 
of plants on glacial soils; pago- 
ph’ilus (¢:Aéw, I love), dwelling on 
foothills ; Pagophy’ta (gurdy, a 
plant), foothill plants ; Pagophy’tia, 
foothill plant formations (Cle- 
ments). 
Parachro’matin (+ Curomatin), the 
same as LININ; parackromato- 
ph’orous, having pigment chiefly 
in the cell-wall (C. Jones). 
Parachute’ (Fr.), sometimes applied 
to fruits which are readily carried 
by wind, by means of membranous 
expansions or pappus, recalling the 
action of a parachute. 
paracotyle’donary ( + CoryLEDoN), 
used of the axis, derived from the 
anterior inferior segment (quad- 
rant) of the oosphere of Marsilea 
(Vines) ; Par’acyst (xvorts, a bag), 
morphologically an antheridium 
which is male, in Pyronema; Para- 
mu'tualism ( + MuTva.ism), em- 
ployed by Elenkin in the case of 
facultative Lichens, cf PARASAPRO- 
PHYTISM; Paranas’ty (vacros, 
pressed close), continued growth 
lengthwise of lateral parts (De 
Vries); Paraphotot’ropism ( + 
PuHorToTropism), the same ag Dia- 
PHOTOTROPISM, the act of placing 
at right angles to incident light ; 
adj.paraphototrop’ic; Paraphyl'lla, 
pl. (gv \dov, a leaf), leaf-like bodies 
roduced near the leaves of Mosses, 
bat not like stipules at definite 
points; Parasaprophyt’‘ism ( + 
SAPROPHYTISM), the same as 
EnbosaPROPHYTISM ; paraste’- 
monal (orjuwr, a filament = 
stamen), employed by Huxley for 
structures which arise from, or 
close to, the insertion of the fila- 
ments with the corolla; Parasym- 
bio’sis (+ Symsiosis), a synonym of 
PARASAPROPHYTISM, etc. (Elenkin); 
Parathe’cium (O4xn, a case), the 
circumscribing walls of the Lichen 
thecium; paratroph’ic (rpopt, food), 
able to exist only in animals or 
plants (Jones). 
parelli’nus (Lat., from parellus, Fr. 
parelle, dye-lichens, as Lecanora 
parella), litmus violet (Heinig). 
Paronychie’tum, an association of 
plants of Paronychia (Clements). 
Parthenocar’py (xap7os, fruit), Noll’s 
term for the production of fruit 
without true fertilization; Par- 
themb’ryosperm ( + Empryo- 
SPERM), MacMillan’s term for « 
PARTHENOSPERM, with parthen- 
ogenetic embryo, and endosperm 
resulting from fertilization; Par- 
thend’osperm (+ ENDOSPERM), a 
plant whose endosperm is partheno- 
genetic, and embryo the result of 
fertilization (MacMillan); par- 
thenogenet‘ic, arising without fer- 
tilization ; Parthenog’eny, the con- 
dition itself; Parth’enosperm, (2) 
a plant having parthenogenetic 
embryos (MacMillan). 
Path-point/ers, defensive protection, 
such as prickles, etc., against un- 
desirable insect-visitors (Kerner). 
paul’ospore (7ai\a, a pause), Klebs’s 
term for CHLAMYDOSPORE. 
Pauper’culae, pl. (pauperculus, rather 
poor), depauperate generations, as 
the dwarf-males of Oedogonium, 
etc. (A. Braun). 
Pearl-glands, structures in Pterosper- 
mum javanicum contained in cups 
serving as food-bodies for ants ; the 
cups are probably metamorphosed 
stipules (Raciborski). 
pecop’teroid, resembling the fossil 
fern Pecopteris. 
Pec’tines, pl. (pecten, a comb), fim- 
briae on the corolla of some Gen- 
tians, constituting the corona 
(Huxley). 
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