GLOSSARY 501 



Muriform (mnrus, a wall), with cells resembling bricks in a wall. 



Mycelium (Gr. mitkes, a fungus), spawn of fungi, the vegetative portion, com- 

 posed of hyphae. 



Mycology (Gr. makes, a fungus, logos, a discourse), the study of fungi. 

 Nuclear (nucleus, a kernel), pertaining to a kernel-like growth as in Ncematelia. 



Obconic (<>/>, inversely, conns, a cone), inversely conical. 

 Obovate (ob, inversely, ovum, an egg), inversely egg-shaped. 

 Obtuse (obtusns), blunt or rounded at the end. 

 Ochreous (oc/ira, yellow-earth), yellow, not red-ochre. 

 Operculum (opercnlnm, a lid), a cover. 



Ostiolum (ostiolum, a little door), the aperture through which the spores escape 



in the Gasteromycetes. 

 Ovate (o-citm, an egg), egg-shaped. 



Papilla (papilla, a nipple), a nipple-like elevation. 

 Papillate, Papillose, with nipple-like elevations. 



Paraphyses (Gr. para, beside, phusis, growth), sterile filaments in a hymenium. 

 Partial, of a veil, clothing the stem and reaching to the edge of the pileus, but 

 not extending beyond it. 



Patelliform (patella, a small dish), dish-shaped. 



Pectinate (pecten, a comb), like the teeth of a comb. 



Pedicel (pcdicnlns, a small foot), a support or stalk, as the small column which 



supports the inner peridium in some species of Geaster. 

 Pedicellate, born on a pedicel. 



Pellicle (pclliaila, a small skin), a delicate superficial membrane. 

 Pelliculose, furnished with a pellicle or delicate distinct skin. 

 Peltate (pelta, a target), target-shaped. 

 Pencilled, with pencil-like hairs either on the tip or border. 

 Penicillate (penicillum, a little brush), pencil-shaped. 

 Peridiola, diminutive of peridium. 

 Peridium (Gr. peridion, a little pouch), the outer enveloping coat enclosing the 



gleba in the Gasteromycetes. 



Peristome (Gr. peri, about, stoina, a mouth), the fringe or its homologue round 

 the orifice of the peridium in Geaster, Tnlostoina, etc., amongst the Gastero- 

 mycetes. 



Perithecium (Gr. peri, about, theke, a case), a receptacle enclosing spores. 

 Peronate (pero, a kind of high boot), sheathed, e.g. of a stem which has a 



woolly covering like a legged boot. 

 Pervious (pervius, passable), having an open passage-way ; hollow to the base, as 



in some stems. 



Pezizoid (eidos, resemblance), cup-shaped, like a Peziza, a genus of Ascomycetes. 

 Pileate, with a cap. 



Pileoli, secondary pilei, arising from the division of a primary pileus. 

 Pileus (pilcns, a cap), a part of the receptacle of a fungus, e.g. the cap-like head 



in Agaricacece. 



Pilose (pilns, a hair), covered with hairs. 

 Plane (plamts), level, even, flat. 

 Plasmodium (Gr. plasma, formed substance), the naked nucleated protoplasm of 



the Mycetozoa. 

 Plicate (plico, to fold), folded into plaits. 



