85 



Stachylidium thelenum Sacc. M. V. n. 918. Ily- 

 phis repentibus late effusis, intricato-ramosis, tomen- 

 tosis, ex olivaceo fuligineis, subcontinuis ; fertilibus 

 erectis, septatis, 200-250 * 5, sursum verticillato- 

 ramulosis, pallidioribus ; conidiis in apice denticulato 

 ramulorum 2-5 aggregatis, oblongis, 7-8 * 3 1 /.,, basi 

 apiculatis, hyalino-fuscidulis. 



Hab. in cortice duriore udo q u e r c i n o , socia 

 Bosellinia thelena (Fr.) Rabh., cujus statum conidi- 

 cum sistit, in sylva Montello, Sept. 1876. 

 Helminthosporium obclavatum Sacc. sp. nov. 

 Effusum, maculiforme, atrum; hyphis erectis, filifor- 

 mibus, basi subincrassatis, 60—70 * 6-7, pauciseptatis, 

 fuligineis ; conidiis solitarie acrogenis obclavato-fusoi- 

 deis, sursum sensim longe attenuatis, 90^ 15, ' apice 

 rotundato, basi cuneato-truncatis, pluri-( 18-24-) se- 

 ptatis, atro-fuligineis. 



Hab. in ligno Alni glutinosog putri a Selva, 

 Nov. 1874. 



Helminthosporium cylmdrosporum Sacc. Fungi 

 Veneti, ser. V p. 191 p. 210. 



Helminthosporium Hirudo Sacc. sp. nov. Dense 

 et indeterminate effusum, aterrimum ; hyphis repenti- 

 bus parcis, filiformibus septatis, fuBgineis> dein eva- 

 nidis ; hyphis fertilibus brevissimis cylindraceo-conoi- 

 deis, erectis, pauciseptatis, fuligineis ; conidiis longis- 

 simis vermicularibus, sa?pe incurvo - sigmoideis, hinc 

 inde subconstrictis, sursum sensim attenuatis, apice sum- 

 mo rotundatis, basi cuneato-truncatis, crebre multi-(55 

 -65-) articulatis, 200-230 <* 15, atrofuligineis. 



Hab. in ligno putri quercinofl Selva, Sept. 1 874. 

 Helminthosporium hormiscioides (Cda) Sacc, 

 Sporidesmium hormiscioides Cda Ic. II fig. 26. 



Hab. in ramis putrescentibus Buxi sempervi- 

 rentis, a Selva Sept. 1875. 



Obs. Ilyphse fertiles (sporophora), 2-4-septatse, 

 ochracea?, 20-30 * 6 ; conidia vermicularia, cylindra- 

 ceo-conica, 150-180^12-15, tortuosa, 35-45-arti- 

 culata, fuliginea, articulo summo uno alterovc subin- 



