430 PROCEEDINGS OF THE ACADEMY OF [1895. 



D. Empetri Fckl. has the sporidia larger 58 x 6 p. and obtuse 

 at the ends. D. Cochinchinensis K. & H. has sporidia shorter and 

 broader. 



Phyllosticta amicta E & E. 



On leaves of Aretostaphylos viscida and A. Manzanita, Jackson, 

 Amador County, Cala., 1894. Geo. Hansen, Nos. 129 and 130. 



Spots cinereous, with a narrow, reddish-purple border, orbicular, 

 3-4 mm. diam. Perithecia amphigenous, erurapent, depressed- 

 globose, 120-200 /j. diam. , overrun with a hyphomycetous growth, 

 Alfernaria, which also spreads more or less over the surface of the 

 leaf. Sporules ovate or elliptical, 7-10 x 5-6 p., light straw-yellow. 



On A. Manzanita the perithecia are scattered over reddish-brown 

 dead parts of the leaf, mostly the upper half, without any definite 

 spots. The Alternaria has conidia composed of globose, brown cells 

 7-8 fi. diam. , joined in toruloid threads, or collected in irregular 

 shaped masses, or forming concatenate conidia 10-30 x 8-20 p. 



Phyllosticta Trillii E & E. 



On leaves of Trillium petiolatum, Pullman, Wash., June, 1894. 

 Prof. C. V. Piper, No. 341. 



Spots small, 2—3 mm., round, dirty- brown, grayish in the center, 

 margin darker, with a yellowish- shaded border. Perithecia innate, 

 epiphyllous, globose, about 75 p diam. Sporules oblong, hyaline, 

 continuous, 10-14 x 2-2? p. On the same spots is a Cladosporium 

 C. Trillii E. & E. Tufts effused, slate-color. Hyphae septate, 

 brown, 60-70x5-6//. Conidia oblong, brown, 1-3-septate, 15-22 

 x 5-7 p. 

 Phyllosticta Rudbeckiae E & E. 



On leaves of Rudbeckia laciniata, Kenosha Co., Wis., Sept., 1894. 

 Dr. J. J. Davis, No. 942. 



Spots nearly black, irregular subelliptical or suborbicular, J-f 

 cm. diam., definite with the border dai*ker than the center. Peri- 

 thecia epiphyllous, scattered, black, small, hemispheric-prominent. 

 Sporules oblong-cylindrical, hyaline, straight or slightly curved, 

 obtuse, 8-12x2-21 a. 



Phyllosticta solitaris E & E. 



On leaves of Pirus coronaria, Crawfordsville, la., Oct., 1893. 

 Prof. L. M. Underwood. 



Spots minute, 1 mm., round, pale-white, with a darker border. 



