502 GLOSSARY 



Plumose (plumostiS) feathered), downy. 



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



Poriform, in the form of pores. 



Porous, furnished with pores. 



Potential (potently 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, mycelium, the vegetative portion of the thallus composed 



of hyphse), 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 (pninus, a plum), plum-shaped. 

 Pubescent (puber, downy), slightly hairy. 

 Pulverulent (pulverulent us, dusty), powdered as if dusted over. 

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

 Punctate (punctus, 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 Phalloidacece. 

 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 (rcvolvo, 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 hyphse. 

 Rimose (rinia, 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 (rnfus), 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 j 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. 



