Polypoj'us.} 
VIII. FUNGI. 
607 
1. Mesopus. Stem distinct, simple, lateral or nearly central. Substance corky or 
fleshy. 
2. Pleuropus. Stem lateral, simple, substance hard. 
3. Merisma. Stem etc. more or less divided. 
4. Apus. Pileus sessile, lateral. 
5. Resupinatus. Pileus resupinate, effuse; pores on various surfaces. 
1. P. (Favolus) arcularius, Fries; — Berk, in FI. N. Z. ii. 177. 
Pileus yellowish, corky; margin deflexed, hispid. Stem central, smooth. 
Pores rhomboid, white. 
Northern Island: on dead wood, Sinclair, Colenso. (Europe.) 
2. P. (Mesopus) oblectans, Berk.; — FI. N. Z. ii. 177. Pileus thin, 
coriaceous, depressed, 1^ in. diam., incised, repand, zoned especially towards 
the centre, strigose-striated, shining, cinnamon-coloured. Stem central, vel- 
vety, red-brown. Pores small, toothed, cinnamon-coloured. 
Northern Island: on the ground, Colenso. (Swan River, Tasmania.) 
3. P. (Mesopus) lucidus. Fries ; — Berk, in FI. N. Z. ii. 177. Pileus 
corky, flabelliform, grooved and rugose, yellow, then blood-red and chesnut, 
varnished. Stem lateral. Pores minute, white, long, determinate. — Berk. 
Outlines, 240. t. 16. f. 2. 
Northern Island: on dead wood, Colenso. (Ubiquitous.) 
4. P. (Pleuropus) phlebophorus, Berk, in FI. N. Z. ii. 177. 1. 105. 
f. 3. Small, white. Pileus flabellate, contracted at the top into a short 
stem, glabrous, veined, undulate ; cuticle gelatinous. Pores minute, subirre- 
gular, with thin toothed dissepiments. 
Northern Island : on dead wood, Tehawera, Colenso. 
5. P. (Pleuropus) xerophyllus, Berk, in FI. N. Z. ii. 178. t. 105. 
f. 2. Pileus flabellate, 1 in. across, suborbicular, brown, with a strong ru- 
fous tinge, marked with raised radiating lines and small wrinkles, minutely 
scabrous ; margin thin, crenate. Stem j in. long, black, rugose, minutely 
velvety. Pores white, just visible ; dissepiments variable in thickness ; edges 
rather obtuse. 
Northern Island: on dead wood, Colenso. 
6. P. (Merisma) Colensoi, Berk, in FI. ’N. Z. ii. 178. Much 
branched, 1 foot across. Stem distinct, slender, elongated, repeatedly dicho- 
tomous. Pilei very numerous, flabellately expanded, depressed above, 
brownish, nearly smooth, with a few raised lines. Pores pale, decurrent, 
often much elongated ; dissepiments thin ; edges very acute, often toothed, 
sublamellaeform. 
Northern Island: forests of Tehawera, Colenso. 
7. P. (Apus) adustus, Fries; — Berk, in FI. N. Z. ii. 178. Pileus 
fleshy, tough, firm, thin, villous, ashy ; margin straight, at length black, 
effuso-refle?ced behind. Pores short, minute, round, obtuse, dirty white and 
powdery, then cinereous-brown. — Berk. Outlines, 243. 
Northern and Middle Islands: on dead wood, Colenso , Lindsay. (Europe, etc.) 
