ii4 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



S. CEnotherae E. & E., sp. nov. 



TYPE HABITAT: On dead stems Onagra biennis, Jan. 21, 1895 

 (Nut fall, disco v. 1792, 683). 



Perithecia scattered, erumpent, superficial, globose, 200 to 225/4 

 diameter, with a papilliformostiolum, occasionally subcollapsing 

 above. Sporules oblong-elliptical, pale brown, 20 to 25 x 10 to 

 12 {i on stout basidia shorter than the sporules. There are in- 

 'dications that the sporules become finally uniseptate. 



S. Suxnachi (Schw.) C. & E. 



On branches Rhus hirta, March 29, 1894. Sporules 20 to 26 x 8 

 to 12.5 fji (Nuttall, 1439). 



S. Sassafras C. & E. 



OnSassafras Sassafras, April 10,1895. Sporules 23 x io/jt (^Null- 

 all, 1 80 1, 688). 



S. phomatella Peck. 



On Fraxinus Americana, March 31, 1894 (Nuttall, 1441). 



S. Caryse C. & E. 



On hickory barrel-hoop, April 9. 1894. Sporules 18 to 25 x 8 

 to ii // (Nut tall, 1448). 



S. Ipomcese E. & E., Proc. Phila. Acad., 1894, 362. 



TYPE HABITAT: On dead peduncles of Jpomcea pandurata, Dec. 

 9, 1893 (Nuttall, discov. 1305, 249). 



Perithecia scattered, ovate-globose, 250 to 300 ,a diameter, the 

 upper part prominent and closely covered by the shining black 

 epidermis. Sporules elliptical, brown, 18 to 23 x 10 to 13 ft on 

 pedicels of about the same length as the sporules. 



S. Menispenni Peck. 



On Menispermum Canadensis, Jan. 17, 1894 (Nuttall, 1343, 302). 



CONIOTHYRIUM Corda. 

 C. Fuckelii Sacc. 



On Parthenocissus quinquefolia, sporules globular, 2 to 2.5 /* 

 March 31, 1894 (Nuttall, 1442). 



C. concentricum (Desm.) Sacc? 



On leaves Yucca filamentosa, Sept. i, 1894 (Nuttall, 1187). 



HAPLOSPORELLA Speg. 



H. Celtidis E. & E., Proc. Phila. Acad., 1894, 362. 



TYPE HABITAT: On dead limbs Celtis occidentalis, Feb. 2, 1894 

 (Nuttall, discov. 1359, 315). 



Perithecia mostly in valsoid clusters of 3 to 10, small, 200 // 

 white inside, slightly sunk in the inner bark, their papilliform 

 ostiola rupturing the epidermis. Sporules elliptical, brown, con- 

 tinuous, 18 to 22 x 10 to 12 // on basidia of about the same 

 length as the sporules. 



