88 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



BOTRYOSPORIUM Corda. 



B. pulchrum Corda. 



On Lactuca Canadensis, Aug. 23, 1895. Tips of branches in- 

 flated. Spores 7.5 x 2.5 // (A uttall, 1844, 735). 



TRICHODERMA Pers. 



T. lignorum (Tode) Harz. 



Under bark rotten Hicoria ovata Short Creek, alt. 1,250 ft., 

 Dec. 8, 1893 (Nutiall, 1299, 248). 



ASPERGILLUS Mich. 



A. glaucus (Linn.) Link. 



On Crategus sp., April 30, 1894 (Nut fall, 1474). 



A. glaucus oblongisporus E. & E. n. var? 



Found on Lachnocladium semivestitum after neglect in plant 

 press (Nuttall, 1871, 760). 



This is either a new species or a distinct variety of A. glaucus. 

 The smooth oblong-elliptical conidia are quite different from the 

 usual form. < Spores 5 to 7.5 x 2.5 to 3 ,. 



A. flavus Lk. 



Also found on Lachnoladium semivestitum neglected in plant 

 press (Nuttall, 1*877, 7 6 )- 

 Conidia 4 to 6 p. diameter. 



STERIGMATOCYSTIS Cram. 



S. nigra v. Tiegh. 



On dried peach in garden, Aug. 15, 1893 (Nuttall, 1170). 



PENCILLIUM Link. 

 P. glaucum Link. 



On Hydnum sp. and Poly poms varians, Aug. 16, 1893 (Nuttall, 

 1164, 136). 



BOTRYTIS Mich. 



B. olivacea E. & E. sp. nov. 



TYPE HABITAT: On dead log. Short Creek, alt. i, 800 ft., Feb. 26, 

 1894 (Nuttall, discov. 1411, 381). Fungi Columbiana, 593. N. 

 A. F., 3187. 



Forming thin olivaceous patches 2 to 4 cm. in extent, composed 

 of olive-brown, septate threads, about 4 /j. thick, and dichoto- 

 mously or oppositely branched above, the short (15 to 25 p) 

 branches sub-attenuated above, and bearing the obovate or ellip- 

 tical, olive-brown, 6 to 8 x 4 to 4.5 fj. conidia at their tips. 



B. torta E. & E. ; Proc. Phila. Acad., 1894, 375. 



TYPE HABITAT: On dead leaves Carex Fraseri, Dec. 10, 1893 

 (Nuttall, discov. 1248, 257). 



