Pilze. 
113 
latus, 5—8 cm antice productus; sinuli ligneo-pallidi, subfuscescentes, labi- 
rinthiformes, ad marginem porosi. Substantia suberoso-lignosa, ligneo-pallidens, 
3— 4 mm crassa. Sporae non visae. — C. obesior (Polystictus velutinus 
f. Africana Sacc. et Berl. in Rev. mycologique n. 44, Oct. 1889.) Differt a typo 
statura minore sed crassiore, margine obtuso, pileo sulcis rarioribus, sed interdum 
profundioribus etc. 
Hab. ad truncos in ins. Principis. 
Corticium QuintaHartum, Latissime effusum, arcte adnatum, gruinoso- 
induratum, strato 1—1 x /2 mm crasso, e lacteo subalutaceum, ambitu similari 
hymenium laeve, glabrum. — Hab. ad ligna mucida in ins. St. Tliomae. 
Lachnocladium Mollerianum. Caespitosum, stipitibus basi connatis v. liberis, 
4— 6 mm longis, 1 x / 2 —2 mm crassis, dein ramosis; ramis repetite dichotomis, 
tenacellis, subrugulosis, apicibus subacutis et subbifidis, axillis arcuatis sulca- 
tisque. Tota planta 3—4 cm alta, 1—l x / 2 cmlata, unicolor, brunneo-rubiginosa, 
glabra, pulvere tabacino ex sporis conspersa. Sporae flavidae, laeves, protoplas- 
mate granuloso, 6—7X4— 4 x /2 //. — Hab. ad ligna in ins. St. Thomae. 
Pterula subaquatica. Gregaria, filiformis, brunneo-rufa, glabra, 1 — l x / 2 —2 cm 
alta, rarissime simpHx, generatim caule basi albo tomentoso, 1—2 mm longo 
praedita, mox in ramos duos teretes, apicibus subulatis, quorum unus simplex, 
alter di- v. trichotomus diviso! Sporae flavidae, obverse piriformes, laeves, 
12—13X6 n. 
Hab. ad herbas aquaticas putrescentes in ins. St. Thomae. 
Clavaria Henriquezii • Truncus 2—3 cm longus, 1 cm circ. crassus, glaber, 
pallide flavus; rami breves, subdichotomi, teretes v. compressi, subrugulosi, 
flavovitellini, glabri. Caro albida inodora et insapora. Sporae flavidae, globoso- 
ellipsoideae, interdum inaequilaterales, 9—11 X9 — Hab. in ins. St. Thomae. 
Clathrus parvulus. Receptaculum obovatum, undique cancellatum, 2 cm 
altum, 1 — l x /2 cm latum, interstitiis polygonalibus apice duplo quam basi 
majoribus, ramis quadrangulis, compressis, transverse rugosis, l x /2 cm latis, extus 
rufescentibus, intus olivaceis-fuscis ; volva albido-alutacea, subrufescens, lobata, 
in radicem multipartitam desinens. Sporae clilorino-hyalinae, cylindraceae, 
4 XI 1 / 2 /"* — Hab. ad truncos cariosos putridos in ins. St. Thomae. 
Tylostoma Mollerianum. Peridium subglobosum, papyraceum, albidum, 
glabrum, basi circa umbilicum stipitis circulo floccoso-hirto concolore cinctum, 
12—18 mm latum, 10—13 mm altum, ore plano rotundo, demum lacerato oblongo 
haud fimbriato praeditum; stipes fistulosus, subquadrangularis, longitudinaliter 
4—5 sulcis exaratus, aeqnalis lucide albidus, a peridia discretus et in acetabulum 
peridiis immersus, basi marginato-volvaceus, volva bombycina evanida, 2—4 cm 
longus, 3—4 x /2 mm crassus, gleba ochracea. Substantia stipitis alba, lignoso- 
coriacea; capillitii flocci hyalini, cylindracei, haud septati; 4—5 p crassi. Sporae 
flavo-aureae, laxe et tenuiter asperulae, 3 x / 2 —bp diam. — Hab. in ins. St. 
Thomae. 
Isaria arbuscula. Stroma gregarium, candidum, arboriforme, stipite fili- 
formi, 2 mm circ. alto praeditum, apice in ramos plurimos intricatos protensum, 
2 x / 2—3 mm altum extensumque; conidia liyalina, globoso-ellipsoidea v. obovata, 
8—9 X 6 p. — Hab ad corticem lignorum putrescent. in ins. St. Thomae ad 
Sav Soho dds Angolases. 
Eine Tafel Abbildungen illustrirt diese neuen und einige andere Arten. 
Willkomm (Prag). 
Lagerheini, G. (le, Revision des Ustilaginees et desUre- 
dinees contenues dans l’herbier de W el witsch. 
(Boletim da socied. Broteriana. Vol. VII. p. 126—135. Coirabra 
1889.) 
Der Verfasser bat das umfangreiche Herbarium des verstorbenen 
Dr. Wel witsch, welches gegenwärtig im Nationalmuseum zu 
Lissabon aufbewahrt wird, bezüglich der genannten beiden Pilz¬ 
familien untersucht, wie dies schon viel früher Berckeley gethan 
Botan. Centralbl. Bd. XLVII. 1891. 8 
