5 02 GLOSSARY 



Plumose [plumosuSi feathered), downy. 



Polymorphic (Gr. polus, many, morpke, a change), with several or various forms. 



Poriform, in the form of pores. 



Porous, furnished with pores. 



Potential {potentia, a force), existing in possibility, rather than in actuality. 



Proliferous {proles, offspring, fero, to bear), applied to an organ which gives 

 rise to secondary organs of the same kind. 



Promycelium {pro, for, mycefann, the vegetative portion of the thallus composed 

 of hyphae), the short-lived product of germination of a spore which bears 

 spores of a different nature from the mother-spore. 



Protoplasm (Gr. protos, first, plasma, formed substance), the living substance of 

 plants and animals. 



Pruinose {pruina, hoar-frost), covered with frost-like bloom. 



Pruniform {primus, a plum), plum-shaped. 



Pubescent {puber, downy), slightly hairy. 



Pulverulent {ptdverulentus, dusty), powdered as if dusted over. 



Pulvinate {pulvinus, a cushion), cushion-shaped. 



Punctate {pitnctus, a point), dotted with points. 



Pyriform {pyrus, a pear), pear-shaped. 



Racemose {racemus, a bunch of grapes), borne in a bunch. 



Radiate {radius, the spoke of a wheel), spreading from a centre. 



Receptacle {receptaculum, a reservoir), an axis bearing one or more organs, as 



the stem upon which the hymenium is elevated in the Phalloidace^. 

 Remote, of gills which do not reach the stem, but leave a free space round it. 

 Reniform {renes, the kidneys), kidney-shaped. 

 Repand {repando, to throw open), bent backwards. 

 Resupinate {resupino, to throw on the back), with hymenium upwards. 

 Reticulate {rete, a net), netted. 



Revolute {rtvolvo, to roll back), rolled backwards; of the margin of a pileus — 

 the opposite of involute. 



Rhizomorphoid, rhizomorphous (Gr. rhiza, a root, morphe, shape), like a 



rhizomorph, a root-like branched strand of mycelial hyphae. 

 Rimose {rim a, a crack), cracked. 

 Rimulose, diminutive of rimose. 



Ring, a part of the veil adhering to the stem in the form of a ring or annulus. 

 Rivulose {rivula, a small stream), marked with lines like rivulets. 



Rounded, applied to gills and tubes, rounded near point of contact with 

 the stem. 



Rubiginous {rubigo, rust), colour of iron-rust. 



Rufescent {rufescens), becoming reddish. 



Rufous {ritfus), reddish. 



Rugose {ruga, a wrinkle), wrinkled. 



Rugulose, somewhat wrinkled. 



Scabrous {scaber, rough), rough on the surface. 



Scales, applied to the broken up epidermis of the pileus and stem. 



Scarious (Gr. skaros, a kind of sea-fish), applied to a shrivelled membrane. 



Scissile {scindo, to cleave), capable of being cleft asunder ; of two plates, e.g. 

 lying together, but capable of being separated. 



Sclerotioid, sclerotium-like. 



Sclerotium (Gr. skleros, hard), a compact mass of hyphae in a dormant state. 



