486 Deuteromycetre, Melanconiacea?, PhfEoplirngmifB, Amphichseta. 



loculis apicalibus 6-8 (x., setula obliqua hyaliiia ornatis; pedicello 

 tenui, gequilongo. 



Hah. in foliis.Piri Mali, Newfield, N, J.» Amer. bor. — Ab 

 affini P. Cratcegi Ell. et Ev., acervulis non concentrice dispositis, 

 maculis majoribus, diverse coloratis etc. differt. 



3. Monochaetia osyrella (Tassi) Sacc. et D. Sacc. Pestalozzia osyrella •'>104 

 Fl. Tassi in Bull. Lab. Ort. Bot. Siena 1904, p. 127. — Acervulis 

 primo subcutaneis, demum erumpentibus maguitudine varia, ni- 

 gris, solitariis vei subgregariis ; conidiis fusiformibus, 4-septatis, 

 18-20^7-8 loculis duobus extimis hyalinis, tribus mediis flavidis; 

 diffbrmibus; seta terminali unica, hyalina, recta haud raro obli- 

 qua 14-15 » 0,3; basidiis sjiepius conidio ccquilongis, hyalinis. 



iTa6 in ramulis emortuis Osyridis alb;e, St. Oolomba, Siena 

 Italioe centr. 



4. Monochsetia pachyspora Bubak, OEsterr. bot. Zeitschr. 1904, p. 185. ^^105 

 — Maculis epiphyllis subrotundo-angulosis v. irregularibus, pal- 

 lide alutaceis, linea tenui atro-brunnea cinctis ; acervulis epiphyl- 



lis gregariis, 100-220 ;j.. diam., orbicularibus, tectis dein nudatis 

 nigro-piceis; conidiis crasse fusoideis 20-26 ^ 7,9, quadriseptatis, 

 non V. vix constrictis, cellulis 3 mediis olivaceo-brunneis, extimis 

 hyalinis; setula apicali unica. hamata, hyalina, 10-15 'x. longa; 

 cellula ima minuta in pedicellum hyalinum 20-40« 1,5 abeunte. 



Hdb. in foliis vivis Quercus Ilicis pr. Meran TirolisB. — 

 Conidiis crassioribus a Mon. Desmazierii et M. Saccardoi distin- 

 guenda. 



AMPHICH/ETA Mc Alp. proc. Linn. Soc. New S. Wales 1904, p. 118 

 (Etym. amphi utrinque et chcete sota). — Acervuli subcutanei, 

 sJBpe erumpentes, disciformes v. pulvinati. Conidia elongata, trans- 

 verse 2-pluriseptata, tandem partim colorata, utrinque 1-ciliata. 

 Basidia filiformia, hyalina. — Ab affini Monochcvtia differt pro)- 

 sentia setuln basilaris, a Cryptosticti et Discosia defectu pycnidii. 



1. Amphichaeta Kennedyae Mc Alp. 1. c. p. 119. — Pustulis minutis, 5ior) 

 nigris, erumpentibus, sparsis; conidiis fusiformibus, subinde leniter 

 curvulis, 5-6-septatis, ad septum medium leviter constrictis, cel- 

 lulis medianis coloratis, extimis hyalinis, setula apicali 6-10, raro 

 usque 17 [j.. longa, basilari obliqua, longitudine varia, 9-22 |j.. louga; 

 basidiis filiformibus, hyalinis, 10-16 [j.. longis. 



//a&. in areis siccis foliorum Hardenbergiae monophyllae 



