329 



Sect. o. Phaeodidym» Sacc. 

 Sporulse ellipsoidea-!, ovoide?e vel obiongce, 1-septat.te, fusese. 



Clavis analytica generum. 



§ Perithecia discreta. 



•\' Pcrithecia tccta vel erunipentia. 

 JDiplodia. Perithecla /^labra; sporulie strato niuccso carcntes. 

 MacrodiplocUa. Perithecia glabra; sporulse stralo mucoso obvolutfe. 

 Choitodiplodia. Perithecia pilosa; sporul* strato mucoso carentes. 



•\~; l'erithecia lignicola, subsuperlicialia. 

 Diplodiella. l'erithecia subcarboiiacea, papillata. 



§§ Perithecia caespitosa. 

 Botnjodiplodia. Perithecia caespitoso-erumpentia. 



DIPLODIA Fr. Summa Veg. Scand. p. 416. (Etjm. dip^os duplex, ob 

 sporulas didymas), Sporocadus Corda p. p. — Perithecia subcu- 

 taneo-erumpentia, subcarboaacea, atra, tyoice papillata, nertusa. 

 Sporula) ellipsoidese, ovoidea) ve[ oblongcC, l-septata), fusc?e. Ija- 

 sidia bacillaria, simplicia, hyaliua. — E genere priraario sepositae 

 sunt: species peritheciis superficialibus (DiplodicUa) ; peritheciis 

 h^v^wWs (Chcvtodtplodia) ; peritheciis acervatis (Bolnjodiplodia) ; 

 sporulis mucosis (Macrodiplodia) ; sporulis hjaliais (Diplodina). 



I. In ramia Dicolyledonearum lignosaruin. 



1. Oiplodia Anonae Sacc. Mich. II. p. 269. — Peritheciis tectis, deia i825 

 peridermio tisso semi-erumpentibus, niajusculis, in acervulos ob- 

 longos, aterrimos dense congregatis, globulosis, brevissime papil- 

 latis; sporulis oblongis, diu hyalinis, continuis, guttulatis, dein 1- 

 septatis vix constrictis, 28^:11-13, olivaceo-fuscis. 



Hab. in ramis crassioribus Anona? trilobre in horto pata- 

 vino Ital. bor. 



2. Diplodia brachyspora Sacc. Mi^ch. II. p. 106. — Peritheciis spar- i826 

 isis, corticolis, initio velatis, globoso-depressis, V7 fnill. diam. ,• con- 

 textu laxe parenchymatico fusco-melleo; sporulis breve obovatis, 

 apice rotundatis, 9^:7, l-septatis, vix constrictis, fusco-cinnamo- 

 meis, subsessilibus (idest stipite apiculiformi). 



