GLOSSARY OF TERMS. 417 
Navicular, boat-shaped; a synonym of Cymbiform. 
Nigrescent, approaching a black colour. 
Nigricant, black. 
Nigro-punctate, marked with black points or dots. 
Nucleate, having nuclei. 
Nucleus, a homogeneous, roundish protoplasm-mass produced by the 
differentiation of the protoplasm of the cell.* See Guttulate. 
a 
Obconic, conical, but having the apex downwards. 
Oblique, deviating from a right line, aslant. 
Oblong, a rectangle, which is longer than it is broad, hut used here of 
sporidia which somewhat approach this form while rounded at 
the ends. 
Obtuse, blunt. 
Ochery, the colour of ochre; synonym for Ochraceous. 
Ochraceous, Ochraceus. See Ochery. 
Olivaceous, of an olive-green colour, orange and grey. 
Olive. See Olivaceous. 
Opaque, not transparent, not shining. 
Operculum, a cover or lid; applied to the membrane which is raised 
for the exit of the sporidia. Seen best in Ascobolus. 
Orange, the colour of an orange; synonym of Aurantius, 
Orbicular, of a round form, circular. 
Ovate, shaped like an egg, somewhat broader at the base than the 
summit. 
Ovoid, synonym for Ovate. 
Pallid, pale, but undecided in colour. 
Papilla, a nipple-like protuberance, often consisting of a single cell. 
Papillate, covered with papille, or ending in a papilla. 
Paraphyses, minute hyaline filaments surrounding the asci. 
Parenchyma, the cellular tissue forming the interior of the receptacle. 
See Pseudo-parenchyma. 
Patellate, Patelliform, shaped like a dish. 
Pellucid, transparent, not opaque. - 
Peltate, formed like a pelta or shield, a shield supported in the middle 
on the point of a projecting body. 
Perithecium, a closed receptacle containing the hymenium, as in the 
genus Spheria, being at length perforated by a pore at the 
summit. 
Persistent, enduring, remaining beyond the period of maturity, not 
soon decaying. 
Pileate, furnished with a cap, having a more or less enlarged head. 
Pilose, hairy. 
Placentiform, a thickened circular disc, depressed in the middle both 
above and below. 
* Sach’s “ Text-Book of Bot.,” 2nd ed. pp. 2, 38, 44. 
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