Pyrenomycetse, Sphaeriacese, Phseodictyae, Cucurbitaria. 765 



paraphysibus nullis vel indistinctis ; sporidiis monostichis, oblon- 

 gis vel oblongo-ellipticis, indistincte 6-septatis et muriformibus, 

 parce constrictis, luteolis, 22-27 « 12, dein subopacis et cellulis exti- 

 mis subhyalinis. 



Hab. in caulibus emortuis Rhois typhinie, Harraby, Lake 

 Resseau, Ont., Canada, Amer. bor. 



3. Cucurbitaria juglandina Eilis et Barth. in Journ. of Mycol. 1902, 2660 

 p. 174. — Peritheciis erumpentibus 5-10-congestis, 500 ;x. diam. 

 ostiolo inconspicuo donatis; ascis cylindraceis breve stipitatis, para- 

 physatis, 100-120 « 8-10; sporidiis monostichis, oblongo-obvatis 3- 

 dein 5-7-septatis, luteo-brunneis, ad septum medium subconstri- 

 ctis, 15-22 « 8-10, longitiidinaliter septatis. 



Hab. in ramis emortuis Juglandis nigrae, Rooks Co. Kan- 

 sas, Amer. bor. — Ab affini Cuc. Juglandis differt ascis cylindra- 

 ceis et sporidiis minoribus. 



4. Cucurbitaria Celtidis Shear in Bull. of the Torr. Bot. 01. 1902, 2661 

 p. 451. — Peritheciis 350-500 ;x. d., dense gregariis v. subcEespito- 



sis, areas latas occupantibus, erumpentibus et basi subimmersis, 

 depresso-globosis, carbonaceis, rugulosis, collapsis, ostiolo papillato 

 donatis; ascis cylindraceis, breve stipitatis vel subsessilibus, 140- 

 180^16; sporidiis monostichis, initio hyalino-luteolis, maturitate 

 intense brunneis, transverse 3-5-septatis, longitudinaliter 1-septa- 

 tis, ad septa leviter constrictis, 24-27^8; paraphysibus superne 

 ramosis, 3 \y. diam. 



Hab. in ramis emortuis Celtidis occidentalis, Osborne, 

 Kansas, Amer. bor. 



5. Cucurbitaria Pritzeliana P. Henn. in Hedw. 1903, p. (80). — Pe- 2662 

 ritheciis erumpenti-superficialibus, botryose aggregatis, membra- 

 naceis, subglobosis v. ovoideis, granuloso-verrucosis, atris, contoxtu 

 pseudoparenchymatico atro-fusco, ca. 240-280 \i. diani. basi hyphis 

 fuscis, septatis, ramosis, ca. 2,5-3,5 \x. cr. ; ascis clavati.s, apice ro- 

 tundatis, crasse tunicatis, 100-130« 20-40, octosporis; paraph\sibus 

 obvallatis, copiosis apico fuscidulis; sporidiis subdistk-his vel sub- 

 tristichis, fusoideis, interdum utrinque hyalino-papillatis, pluri-se- 

 ptatis, muriformibus, primo rufo-brunneis, dein atro-castaneis 

 25-50 * 9-18. 



Hab. in ramis corticatis, flum. Russel, N. Queensland Austra 

 liae (Pritzel). 



