562 FTypocreacese, Dictyosporae, Thyronectria. 



80-90 5:12, apice rotundatis, deorsum attenuatis, crasse brevequs 

 stipitatis, paraphysibus ascos superantihus minuie septulatis, fili- 

 forniibus obvallatis, 8-sporis; sporidiis oblique monostichis.v. disii- 

 chis, oblongis, 25^9-U, rarius 30 ~ 8, superticie subcolliculosis, 

 rectis v, ssepius curvulis, initio cribrose guitulatis dein ienuiter 

 denseque 7-9-septato-muriforraibus, utrinque obtusiusculis, hyali- 

 nis; spermatiis ssepe cum ascis coramixtis cylindraceis, curvulis 

 3-4 ~ l / 2 , hyalinjs. 



Uab. in ramis corticatis Juglandis regia? putrescentibus, 

 socia Thyridarza incruslante, Padova Ital. bor. Decemb. 1874. 



2. Thyronectria pyrrhochlora (Auersw.) Sacc. Mich. II, 325 Nectria 49se 

 pyrrhochlora Auer&w. in Hedw, 1869 pag. 88. — Peritheciis in 

 acervulos longitudinales digestis in corticis rimis ialitantibus, co- 

 riaoeo-mollibus, .ovatc-globosig, luteo-ferrugineis, apice rotundatis 

 lseteque viridi-pulverulentis, ostiolo nigro, perforatis; ascis clavatis 

 v. subcylindraceis 80-120^15-20, octosporis, tlliformi-paraphysa- 

 tis; sporidiis oblougo-ovoideis, obtusis, 7~8-septatis crebreque mu* 

 riforraibus medio leniter constrictis, pluriuncleatis. 18-21-^-12, 

 hvalinis. 



Flab. in ramorum rimis Aeeris campestris, Vitis, Cy- 

 doniae in Gerraania, Hungaria, Lusitania. 



ScH. 7. Scolecospora Sacc 



Sporidia filiformia, hyalina, saspius pluriseptata. 



Clavis analytica generum 

 A) Simplices. 



Ophionectria. Perithecia Nectrrue, Sporidia typiee muitiseptata. 



Barya. Perithecia conica, acuta, bysso conidiophora cineta. Sporidia eonfcinua. 



Oomyces. Perithecia pauca saccuio inclusa. Sporidia eontinua. 



D) Compositse, stromatica;. 



a) Stroma verticale. 

 Claviceps. Stroma e sclerotio. Sporidia coutiiiua. 



Cordyceps. Stroma ont.omogenum vel rnycogenum. Sporidia in articulos di- 

 labentia. 



7)) Stroma «^flTusum vel pulvinatum. 

 Epichlue. Stroma sessile offusum, culmos circuraarobiens. 

 llypocrella. Stroma pulvinatum, rarius subeffusum, non circumambieTris. 



