FUNGORUM

Polyporeæ, Polystictus. 217
dio-fusco vel castaneo; margine acuto, lobato, sinuato vel subintegro;
carne alba; stipite subelongato, pallido, plerumque crasso,
ad basim disciformi; hymenio albido; poris rotundatis, sat minutis
(1/4-1/3 mm.) regularibus; dissepimemtis tenuibus, acie dentatis.
Hab. in ligno, Namuli, Makua Country, East Tropical Africa (J.
T. LAST). - Pileus 8-8,5 cm. latus, vix 0,5 mm. crassus; stipes
circ. 2,5 cm. longus, 8-9 mm. cr. P. flabelliformi affinis at hymenio
albido, poris amplioribus dentatis, colore niveo carnis distinguitur.
38. Polystictus porphyritis Berk. Hook. Journ. 1856, p. 196, Dec, Fung. 5571
n. 568. - Tenuis, cor iaceus; pileo flabelliformi, ochraceo-zanato,
purpurascente; margine tenui; stipite brevi subconcolore; hymenio
pallido; poris minutis, subangulatis.
Hab. ad caudices putredine exesos, Cobæ (C. WRIGHT) et ad
truncos emortuos, Panuré Brasiliæ (SPRUCE).- Pileus nitide brunneus,
5 cm. et ultra latus, margine albidus; hymenium album; stipes
8-9 mm. longus, levis.
39. Polystictus Adami Berk. in Cooke Enum. Polyp. p. 137, P. di- 5572
latatus Berk. Hook. Journ. 1846, Dec. n. 169. - Pileo laterali,
spathulato, tenui, coriaceo, badio, zonato, glabrato ; stipite longo, sursum
dilatato, furfuraceo, luteo; hymenio determinato pallido; poris
minutis.
Hab. in ligno putrescente in silvis ad basim M. Adam' s Peak
in Ceylon et Australia. - Pileus 3 cm. lat., 3,5-4 cm. long.; stipes
4-4,5 cm. long. Affinis P. xanthopodi et affini, sed pori majores
etc.
40. Polystictus dilatatus Lév. Champ. exot. p. 184. - Pileo mem- 5573
branaceo, lobato, cuneiformi, obsolete zonato, nudo, cinereo fulvo,
in stipitem brevissimum attenuato; poris angulatis, inæqualibus, denticulatis;
contextu pallido.
Hab. ad truncos in insula Java. - Pileus applanatus horizontalis,
8-12 cm. lat.
41. Polystictus mutabilis B. et C. Cent. N. Am. Fungi n. 47 et North 5574
Am. Fungi n. 123. - Pileo coriaceo, rigido, flabelliformi vel spathulato,
zonato, luteo-albo, primum subtititer sericeo, striato, tementoso,
demum glabrescente, crebri-zonato, deorsum in stipitem definite
lateralem variæ longitudinis augustato; margine tenuissimo.
lobato; hymenio albo; poris minimis, albidis, punctiformibus.
Hab. in lignis Carol. inf. Amer. fœder. (RAVENEL, ad truncos
Perseæ pr. Gaineville Floridæ, ad caudices in silvis densis Cu-