15 
PED'ICELLATE, having a pedicel, or 
tiny foot-stalk. 
PEL'LICLE, see cuticle. 
PELLU'CID, admitting the passage of 
light; transparent; translucent. 
PEL'TATE, formed like a shield and 
fixed to the stalk by the centre or by 
some point distinctly within the mar¬ 
gin. 
PEN'CILED, marked with fine lines. 
PEN'DULOUS, hanging down. 
PEN'ICILLATE, pencil-shaped; bearing 
a tuft of soft hairs resembling a cam¬ 
el’s hair pencil. 
PEREN'NIAL, continuing growth from 
year to year. 
PERGAME'NEOUS, like parchment. 
PERICLI'NAL, said of cell walls or any 
lines when parallel with the outer sur¬ 
face. 
PERTDT'OLUM, a secondary or interi¬ 
or peridium containing a hymenium. 
PERTD'IUM, (pi. PERID'IA), the outer 
enveloping coat of the sporophore in 
angiocarpous fungi, as in puff-balls. 
PERIPH'ERAL, of, belonging to, or 
situated on the periphery. 
PERTPH'ERT, the exterior surface of 
any body. 
PER'ISTOME, toothed or variously 
shaped ring around the mouth or ori¬ 
fice for discharge of spores in a peri¬ 
dium. 
PERITHE'CIUM. (pi. PERTTHE'CIA), 
cup-shaped ascocarp with the margin 
incurved so as to form a narrow 
mouthed cavity; the case or hollow 
shell which contains the spores. 
PER'ONATE, booted; said of the stipe 
when it has a boot-like or stocking-like 
covering. 
PERSIS'TENT, enduring; continuing 
without withering, decaying or falling 
off. 
PER'SONATE, masked or disguised in 
any way. 
PER'VTOUS, forming an open tube-like 
passage. 
PEZ'IZOID, resembling a peziza. 
PHAE'NOGAM. PHAN'EROGAM, PHE'- 
NOGAM. a flowering plant, producing 
true seeds. 
PHAENOG'AMOUS. PHANEROGAM¬ 
OUS, PHENOG'AMOUS, producing 
true flowers and seeds. 
PHYLOGENET'IC, PHYLOGEN'IC, of 
or pertaining to phylogeny. 
PHYLOG'ENY, the history of the evo¬ 
lution of a species or group; tribal his¬ 
tory; ancestral development. 
PT'EEATE. having a cap or pileus. 
PTLE'OLTTS. (pi. PTLEOLI). a little pi¬ 
leus; used especially where there are 
several from the same stalk. 
PI'LEUS. (pi. PULED, the umbrella¬ 
like cap or analogous receptacle of 
many fungi, as in toadstools morels, 
etc.; it may be stipitate. sessile, dimi¬ 
diate. regular, or irregular in form. 
PTLTF'EROUS. PILTG'EROUS PI'LOSE. 
PULOUS. covered with hair, especially 
with fine or soft hair. 
PIP-SHAPED, shape of an apple seed. 
PIR'IFORM, pear-shaped. 
FUSIFORM, pea-shaped. 
PITH, central stuffing in some stipes. 
PIT'TED, covered with pits or small de¬ 
pressions. 
PLACEN'TIFORM, in the form of a 
thickened circular disk depressed in the 
middle both above and below. 
.PLANE, having a flat surface. 
PLI'CATE, folded like a fan; plaited. 
PLUM'BEOUS, lead-colored. 
PLU'MOSE, PLU'MOUS, feathery or 
feathered. 
PLURI-, prefixed has the significance of 
many. 
POC'ULIFORM, cup-shaped. 
POLY-, a prefix meaning ‘many.’ 
POLYG'ONAL, having many angles. 
POLYMORPHISM, POL'YMORPHY, 
existence in, or exhibition by the same 
species or group of different types of 
structure; 
POLYMOR'PHOUS, varying much in 
appearance form or structure in the 
same species or group; characterized 
by polymorphism. 
POLYS'TICHOUS, arranged in many 
rows. 
PORE, in Pyrenomycetes, same as 
ostiole; in Hymenomycetes, same as 
tubulus or tube, as the tubules of poly¬ 
pores; also the mouth of a tubulus. 
PO'ROSE, PO'ROUS, bearing pores or 
tubules; pierced with small holes. 
PORRECT', extended forward; stretch¬ 
ed forth horizontally. 
POSTE'RIOR,denotes a position on un¬ 
der side of the pileus adjacent to the 
stipe; the end of a lamella next the 
stipe is the posterior end. 
PREMORSE', having the apex irregu¬ 
larly truncate as if bitten or broken off. 
PRIMOR'DIAL, first formed; existing 
from the beginning. 
PRIMOR'DIUM, first beginning of any 
structure. 
PROC'ESS, an outgrowth or projection 
from a surface. 
PROCTJM'BENT, prostrate; unable to 
support itself, therefore lying on the 
ground. 
PRODLTCED', drawn out; elongated; 
extended; protrusive or protuberant. 
PROJEC'TION, the length of the upper 
surface of a dimidiate pileus from the 
base to a point at the middle of the 
margin. 
PROSEN'CHYMA, the fibro-vascular 
tissue forming the framework of plants 
composed of much elongated cells 
pointed at the ends; not found in fungi. 
PROLIF'EROUS, applied to an orga» 
which gives rise to secondary ones of 
the same kind. 
PRO'TEAN, exceedingly variable. 
PRO'TEID, albumenoid. 
