92 
Pah'vus — Small. Applied relatively, where 
some object h small by comparison with 
similar objects. U'hus, Parviflorus, 
Parvifolius, &c., are terms given to 
plants whose flowers or leaves are 
smaller tlian those of other allied 
species. (See Fanicu-m parviflorum, 
a very comnion grass near Brisbane.) 
Patellifou'mis — Dish-shaped ; knee-pan- 
shaped. 
Pa'tent, Pa'tens— S preading. Pa'tuixs— 
Slightly si^reading. (See*SV</rnf jxitnis.) 
PATHOGRN''or5i — Pr<iducing disease. 
Pathol'ogy or XosOLOCiY— Tliat part of 
botany treating npon plant diseases. 
pAU'eusi — Few. Ap]»lied relatively, when 
certain portions are few in one si>eciG.s 
c(*ni)>:ire<l with siinihir portions in an 
allied species. Thus l\\LCi-FLORrs, 
PArc'i-F()i.u'f<, .and Vauci-ougatfs, &c. 
Pic'ta — Painted. (See flowers of Hlgnonin, 
pkta. ) 
Pectinate', Pectina'tus — Where a 
“ pimiatifid ” incision ha.s the segments 
IDarallel, narrow, and close, like the 
teeth of a comb. (See fronds of 
Glck'htnia.) 
Pec'toral — lielating to the breast. 
Peda'lis — About a foot in length. 
Pe'date, Peda'xus — W herethc subordinate 
parts have a ]>almate arrangement, 
with the addition of further snlidivi- 
sion in the lateral j)ortions. Pedat'- 
iFin, PEDATi'Finrs— Where the sub- 
divisions of a simple leaf, arranged 
pedately, extend abont half-way 
tenvards tlie base. 
Ped'icel— Tliis is the la^t branch of an 
inflorescence, supportinga single flower. 
Peuicet/late, Pkdioella'tus— Fur- 
nisijed with a pedicel. 
Pe'duncle — This i» the stalk of a solitary 
flower, or of an inflorescence ; that is 
to .say, the portion of the flowering 
branch from the last stem-leaf to the 
flower, or to the first ramification of the 
infloi'esenco, or even up to its last 
ramificiition ; but this portion extend- 
ing from the first to the last ramifi- 
cation or axes of inflorescence is often 
distinguished under the name of 
rhadi Pedunculate',Peduncfla'bis, 
Peuuncfla'tuis, ITidunculo'sfs — 
Furnished with a peduncle. 
Pel'licle, I’KLLI'CJULA— An extremely deli- 
cate 8U{>erficial membrane ; a synonym 
for “ Kpiderinis.” I’KLLrcCEA'iiiB — 
With the character of a pellicle. 
PELLV'ein, PF.LUi'ciDUa— Perfectly or only 
partially transpureut. 
Pelo'uia — A form assumed by certain 
flowers, wdiich, being unsymiuetrical hi 
their usual state, become .symmetrical 
in what may be considered as a return 
to their normal type. 
Peltate', Pelta'tus — Where a .support is 
inserted at some distance within the 
margin, and is not in the same plane 
a.*? the flat surface, which rests upon it. 
(Seethe leaf of the garden Tropcohn/i 
majus, or Indian Cress. ) 
Pelti'deus, Peltifor'mis —Target or 
buckler-shaped. 
Peltinkr'vis— Where the nerves diverge 
from the summit of a petiole, and 
spread on all sides in a plane that is 
much inclined to it. 
Peltoi'dkus — Shaped like a shield; some- 
whatorbicular, and convex on the upper 
side. 
Pend'ent— So much inclined that the apex 
is pointed vertically downwards. Pen- 
dulous, Pen'dulus, Pendulin'us— 
Synonym for “Pendent”; more espe- 
cially w^here the flexure arises from 
w’eakness of the supjjort. 
Pknetuaia.s— P iercing, iienetratiug, as 
Foigponis paietmUa. 
Penicilla'tus — Bordered or tipjied with 
fine hairs resembling those of a hair 
pencii. PENiciLLiFOu'MiS — When in the 
fonn of a hair pencil. 
Prnniform, Pennifor'.mis — Feather- 
shaped. Having the rib.? of a leaf 
arranged as in a pinnated leaf, but 
confluent at the pomt, as in the Date 
and some other iiulms, &c. 
Pen'nate, Pennat'us, Pennat'ifid— Syn- 
onyms for “Pinnate,” &e. 
Pennineb'ved, Penninku'vi.s — Where the 
primary nerves of a leaf are straight 
and diverge from the midrib in a pin- 
nate manner ; feather-nerved. (See 
leaves of Acacia pe7itii'nervis.) 
Fen'ta — In compounds signifies five. Thus 
Pkxtachai'nium, a five-celled fruit ; 
Pentagy'nus, flowers with five pistils, 
or five distinct .styles; Pkntan'drus, 
flowers with five stamens. 
Pe'po — Fruits so termed are one-cclled, 
many-seeded, inferior, indehiscent, 
fleshy ; the seeds attached to parietal 
])u]py placent. At maturity its cavity 
is frequently filled w’itli pulp, embed- 
ding the seeds ; their point of attach- 
ment is, however, never lost. For 
example.--, see Cucumber, Melon, 
Gourd, Pa])aw. 
Pere.m'bryi:m— T he portion of monocotyle- 
douous embryo.s investing the plumule 
and radicles not externally distinguish- 
able. 
Peren'nial, Peren'nis— O f three or more 
years’ duration, and iiolycarpic. 
Perfol'iate, PKRFOLIA'TUS—When leaves 
oppositely arranged unite at their 
bases ; or when the basal lobes of 
clasping leaves become united, so that 
the axis ab<uit which thoy are placed 
appears to pa-^s through them. 
Perfora't?]]), Perfora'tos — P ierced with 
one or more holes. 
Pergamenta'ceus— H aving the consistency 
of parchment. 
Per'i — A round ; in Latin, Cii'ca. 
Pkiuanth', Peiuan'thium— The name given 
to the floral envelope which usually en- 
clo.ses the .stamens and instil w hen young, 
and expand-s and exposes them to view 
when fully formed. Tliis complete 
perianth is double ; the outer one, called 
the calyx, is usually more green and 
