49 



sperma Tul. Carp. II p. 132 tab. XIV, fig. 13-23. "^rosthemium ellipsosporum 

 Fres. Beitr, Myk. p. 62, tah. VII, fig. ]8-23. Psendov. stylospora Auersw. \\\ 

 Rabh. Fungi eur n. 125 1. 



Hab. in ramis corticatis Carpini Betuli in Gallia, Italia et Germania fTab. 

 XXXVi, flg. 3. — Ex specim. Saccardianis cum orig. comparatis). 



Peritliecia '/3 mm. d., in stromate 2-3 mm. d., dense coacervata; asci 

 180-200-25-28; sporidia 35-42 » 12-14. Status conidicus sistit ^tilbospora an- 

 gustata conidiis 45-50» 12-14. 



Pseudovalsa bicornis (Cooke) Sacc. Syll. Pyr. II p. 139- Melanconis bi- 

 cornis' in Peck 28 Rep. St. Mus. 



Hab. in cortice Platani occidentalis in Amer. bor. (Tab. xxxvi, flg'. 4. — 

 Ex specim. orig.) 



Perithecia 5-7-acervulata, V3 mm. d.; asci 120-130^40-50; sporidia 60-65 » 

 16-20 (sine app.) 



Pseiidovalsa Kickxii (West.j Sacc in Lamb. Flor. Myc. Belg. II p. 359. 

 Syll. Pyr. II p. 139. Valsa Kikxii West. in Kickx Flor. Crypt. Fl. I p. 322. 

 Oud. Aanw. 1876-77 p. 17. 



Hab. in ramis emortnis Platani acerifoliae in 'Belgio (Tab. xxxvi, flg. 5. 

 — Ex specim. a claro Oudemans benevole comunic.) 



Perithecia 5-7-circinantia, V^-Vs mm. d.; asci 120-140 » 30-35, 4-6-spori; 

 sporidia 50-555520-25 (sine app.) 



Species excludendae 



Pseiidovalsa Titan est novum genus (Titania) Ex specim. ov\g. ~ Pseud. longipedis in omnibus 

 specim. examinatis (et ideo etiam originalibusj semper inveni sporidia hyalina, qua re specie? ad ge- 

 nus Calisjiora adscribeiula puto. Pseudovalsa aglaeostoma (B. et Br.) Sacc. est. Calospora (Ex spec.) 

 ofig.) Aglaospora tlielebola Relun est Melanconis. Pseud. Xanlhoxyli (Peck) Sacc. est Fenestella. 



Species non examinatae 



Sacc. Pseud. sambnctna (Peck) Sacc. Pseud. Fainnami E, et C. Aglaospora effusa Relim. 



TITANIA Berl. nov. gen. Perithecia in stromatibus, epidermide tectis,. pro- 

 mirtulis, usque 3 mm. d. 2-4-congesta, ostioHs emergentibus. Asci monospori, 

 Sporidia magna, transverse septata, fusoideo-cylindracea, colorata. 



Titania Berkeleyi BerL 'Diatrype Titan B. et Br. North Amer. Fungi 

 tl. 857. Pseudovalsa Titan Sacc. SyU. Pyr. II p. 135. 



Hab. /// cortice Carpini in Carolina inferiore ^mer. bor. (Tab. xxxvii, 

 fig, 1. — Ex specim. orig. a chiro Cooke benevole comunic.) 



Perithecia in stromate 3 mm. d. 2-4 acervata, ostiolis prominulis, V3-V4 iTim, 

 d.; asci monospori, 180-200 » 28-32; sporidia 90-110*23-25. 



