Search on : Taxa descriptions


Page number:37 
Description type:Original description 
Description:PORIA WERAROENSIS n.sp. Fig. 31;- Pl. VII, fig. 1.
Hymenophore small, orbicular or elliptical, discrete, pulvinate, ranging from 1 mm. to 1 cm. across, to 1 mm. thick, isabelline or bay brown; margin 1 mm. wide, definite, even, finely pubescent, cream or isabelline; surface pulvinate, even, dissepiments not toothed. Pores not in strata, round or angular shallow pits 100-200 µm, deep, 300-400 diameter, some to 700 µm, or 1-2 to mm.; dissepiments 150-250 µm thick, tapering, apex plain, formed of woven hyphae appearing even at the margin. Context 300-400 µm thick, concolorous, of loosely woven hyphae, more dense beneath the hymenium; skeletal hyphae to 4 µm thick, lumen 1 µm or almost obliterated, hyaline with a few near the base showing slightly tinted walls, aseptate, sparsely branched; generative hyphae to 2.5 µm thick, thin-walled, staining, septate, branched, clamp connections abundant. Basidial type clavate, basidia clavate, to 15 x 4 µm. Spores elliptical, 6-6.5 x 2.5-3.5 µm, hyaline, smooth, often cohering in fours.
HABITAT: Coprosma grandifolia Hook.f., on bark of dead standing stem.
Wellington. Weraroa, 160 feet, Aug., 1919, G. H. C., type collection.
Recognised readily by the small orbicular pulvinate hymenophore, large shallow pores separated by somewhat thick dissepiments, and elliptical spores.
Taxon name: