Stereum.'] 
VIII. FUNGI. 
613 
9. S. latissimum, Berk, in FI. N. Z. ii. 183. Forming broad very thin 
chalk-white patches, minutely subtomentose ; margin abrupt. 
Northern Island : on bark of trees, Sinclair. 
17. CORTICIUM, Fries. 
Coriaceous or fleshy moist Fungi, spreading over dead wood in patches ; 
margin free, often fringed with filaments (byssoid). Hymenium soft, swollen, 
undulate and papillose when moist, collapsing when dry, then even, often 
rimose, never flocculent and deliquescing. 
A large genus, chiefly confined to temperate regions of the globe, difficult of determina- 
tion because of their texture and often imperfect development. 
1. C. laeve, Fries ; — Berk, in FI. N. Z. ii. 181. Membranous, smooth, 
pale, effuse, villous beneath ; circumference byssoid, not radiating. Hy- 
menium even, smooth, pinkish and livid. — Berk. Outlines, 273. 
Northern Island : on twigs and dead bark, Colenso. (Europe, Tasmania.) 
2. C. viride. Berk, in FI. N. Z. ii. 184. Olive-green, crustaceous, effuse, 
cracked ; margin very thin, membranous, scarcely byssoid, livid. Hymenium 
cracked. Spores large, elliptic or subglobose. 
Northern Island : on bark and dead wood, Culenso. 
3. C. tenerum. Berk, in FI. N. Z. ii. 184. Effuse, resupinate, at first 
even, partly brown with a vinous tint, then cracked into areolae with often 
defined borders ; margin very narrow, not distinctly byssoid. 
Northern Island: on bark of K nig Mia, Colenso. 
4. C. polygonium. Fries; — Berk, in FI. N. Z. ii. 184. Patches ad- 
nate, determinate, hard, cartilaginous, flesh-coloured or rich red-brown, 
covered with large polygonal crowded tubercles ; margin concolorous. Hy- 
menium continuous, red, coated with meal. — Berk. Outlines, 276. 
Northern Island : on dead wood, Colenso. (Europe, N. America.) 
5. C. rhabarbarinum, Berk, in FI. N. Z. ii. 184. Effuse, resupinate, 
forming a tawny uniform stratum ; margin paler, delicately and shortly bys- 
soid. Hymenium even, not cracked, distinctly setulose. 
Northern Island: on bark, Colenso. 
6. C. ochroleucam, Fries. Coriaceo-membranaceous, flaccid, effuso- 
reflexed or resupinate, silky ; zones and thin margin at length smooth. 
Hymenium smooth, yellowish, at length cracked. 
Middle Island : Otago, Lindsay. (Europe, Tasmania.) 
18. CYPHELLA, Fries. 
Pileus submembranous, cup-shaped, elongated at the point of attachment 
behind, often pendulous. Hymenium distinctly inferior, completely con- 
fluent with the pileus. 
A small genus, resembling Peziza, but distinguished by having sporophores and not asci. 
