28 PLANTS BAKERIAN^E. 



] 890, p. 227. On dead branches of Symphoricarpus, Bob 

 Creek, 10,500 feet, June 27, n. 1073. On the same twigs 

 were also Gibberidia Symphoricarpi, Tricosphseria Barbula 

 and Strickei-ia Symphoracarpi (B. & Br.) Winter, Pilze, ii. 206. 

 On dead bark of Picea Engelmannii, Bear Creek Divide, 

 11,000 feet, June 29, n. 1082. It has previously been re- 

 ported only on pine bark from Europe. Our specimens 

 agree so closely with published descriptions, especially with 

 that in Winter ii, that we so name them, but we have not 

 seen European specimens. 



ZIGNOELLA POTENTILL.E n. sp. Perithecia scattered, 

 erumpent becoming superficial, black, depressed globose, 

 roughened, Jmm in diameter; ostiolum conical; asci cylin- 

 drical or fusiform, short stipitate, 8 spored, 4 5-5 Oxl 0-1 2/x; 

 paraphyses filaform, longer than the asci ; ascospores hyaline, 

 oval or elliptical, faintly f -septate, 11-12x4-5^,. 



On decorticated stems of Potentilla fruticosa, Bob Creek, 

 10,500 feet, July 3, n. 1039. 



CUCURBITARIACE^E. 



GIBBERIDIA RIBIS n. sp. Perithecia loosely clustered on 

 large blackened areas, erumpent-superficial, globose, black, 

 Jmm in diameter, ostiolum short conical, roughened; asci 

 numerous, short-stipitate, oblong or elliptical, 90-1 OOx 

 12 14/i; ascospores fuliginous, elliptical, 5-7-septate, some- 

 what constricted at each septum, 28-32x6-7/x. 



On decorticated wood of Ribes, at same station as the 

 last. June 28, n. 1101. 



GIBBERIDIA (?) SYMPHORICARPI n. sp. Perithecia clus- 

 tered, two or three to twelve or more forming more or less 

 elongated pustules, these partially covered by the shredded 

 epidermis, clothed with long, deflexed, strigose, occasionally 



