ii6 Field Columbian Museum — Botany, Vol. i. 



D. Rubi Fr. 



On Rubus cult., Feb. ig, 1895. Sporules 20 x 8 to 12 ij. [Nuif- 

 all, 1789). 



D. inquiuaus West. 



On Fraxinus Ameficana, April 27, 1894 {Abuttal/, 1491, 459). 



D. Juglandis Fr. 



On [uglans cinerea, April 9, 1894 ^Nuttall, 1449). 



D. Maydis (Berk.) Sacc. 



On Zea Mays, Aug. 10, 1895. Spores 30 x 4 p. i^Nuttall, i'^\o, 

 729). 



BOTRYODIPLODIA Sacc. 



B. acerina E. & E., Proc. Phila. Acad., 1894, S^S- 



Type habitat: On dead limbs Acer Pennsylvatiicum, Feb. 2, 

 1894 {Nuttall, discov. 1362, 319). 



Perithecia erumpent in botryoidal clusters, often seriately con- 

 fluent for I or more cm., about .5 mm. diameter, white inside, 

 flattish above, with a broad papilliform ostiolum. Sporules 

 elliptical, brown, uniseptate, 20 to 25 x 12 to 15 // on basidia of 

 about the same length. 



B. sp. 



Stylosporus stage ? of Pseudovalsa sigmoidea (C. & E.). On dead 

 Wmhs Quercns Frtfius, with that species. Spores brown, i -septate 

 25 X 12.5 /-A {Nut tall, 1829). 



ASCOCHYTA Lib. 



A. clematidina Thum. 



On Clematis Virginiana, Aug. 10, 1895 i^Nuttall, 1842, 733). 



ACTINONEMA Fries. 

 A Kosee (Lib.) Fr. 



On Rosa cult., June 27, 1894 {Nuttall, 1563). 



HENDERSONLA. Berk. 

 H. Liirella Cooke. 



On Salix nigra falcata, April 23, 1894 [Nuttall, 1480, 460). 

 Sporules 15 x 7.5 ,«. 



H. Desmazieri Mont. 



On bark of limbs Platanus occidentalis, April 24, 1894. Spor- 

 ules -)- 40 X 22 !J. {Nuttall, 1466). 



STAGONOSPORA Sacc. 



S. petiolorum E. & E., Proc. Phila. Acad., 1894, 365. 



Type "HABITAT: On dead petioles y^;77//Vz i-//;/<?.f(7, Feb. 17, 1894 

 {Nuttall, discov. 1389, 357). 



Perithecia scattered, innate, small, slightl}' prominent and cov- 

 ered by the shining, blackened epidermis, 150 to 250 p. diameter. 



