no FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



V. petiolorum Schw. 



On Aralia spinosa, and on Robinia Pseudacacia ? Feb. 17, 1894 

 (Nuttall, 1388, 356). 



V. Toxica E. & E., sp. nov? 



On Rhus radicans, Aug. 18, 1894 (Nuttall, 1669, 569). 



V. Dematium (Pers.) Fr. 



O,n Cassia Marilandica, Oct. 28, 1893 (Nuttall, 1251, 193). On 

 Heuchera Americana. 



V. Dematium - - var. 



On Onagra biennis, March 9, 1894 (Nuttall, 1434, 405). 



V. Arctii Schw. 



On dead leaves and petioles Arctitim Lappa, on ground, July 

 21, 1894. Sporules fusiform slightly curved -f- or 20 x 3 //. 

 Setae 35 to + 125 x 3 to 5 p. (Nut tall, 1617). 



V. subeffigurata Schw. 



On fruit peduncles Magnolia Fraseri in association with STAGO- 

 NOSPORA PEDUNCULI E. & E. , July 25, 1893 (Nuttall, 1136). 



V. subeffigurata scapindola Schw. 



Bases of dead leaves Yucca filamentosa cult., Feb. 19, 1894. 

 Sporules 18 x 2.5/4, largest setae 200 // (Nuttall, 1367). 



V. Trautvetteriee Nuttall, sp. nov. 



TYPE HABITAT: On dead leaves Trautvetteria Carolinensis~, July 15, 



1894 (Nuttall, disco v. 1633). 



Perithecia very small, scattered. Sporules curved, sharp 

 pointed, 1 8 to 25 x 2.5 to 3 /*. Setae + 100 x 10 /z. 



V. liliacearum West. 



On Asparagus officinalis, Vagnera racemosa, Clintonia umbellulata 

 and Iris cristata ? Nov. i, 1893 (Nuttall, 1241,188). 



DOTHIORELLA Sacc. 



IX Asiminse E. & E., sp. nov. 



On Asimina triloba, Feb. 2, 1894 (Nuttall, 1392, 362). 



Sporules 5 to 7 x 2 to 3 // oval or oblong, some of them 

 slightly curved. Perithecia suberumpent, seriate, .25 mm. diam- 

 eter, white inside and out, ovoid, in series of 3 to 5, raising the 

 epidermis into short ridges split along the top so as to expose the 

 pallid white apices of the perithecia. Sporules oval or ellip- 

 tical, hyaline, 5 to 7 x 2 to 3 //. 



D. minor E. & E., sp. nov. 



TYPE HABITAT: On dead limbs Liriodendron Tulipifera April n, 



1895 (Nuttall, discov. 1804, 691). 



Perithecia seriate-subconfluent,. 5 to. 75 mm. diameter, irregularly 

 ruptured above, white inside, erumpent, splitting the epidermis 

 into short (2 to 4 mm.) longitudinal cracks. Sporules elliptical, hy- 



