26 ERYTHEA. 



Ramularia Meliloti, E, & E. 



On leaves of Melilotus Jndica, Pasadena, Calif., Oct., 

 1893. Prof. A. J. McClatchie, No. 443. 



Prostrate sterile liyplise loosely interwoven, forming a thin 

 white floccose coating on the surface of the leaves with the 

 appearance of Oidium erysipheoides, Fr. Fertile hyphse 

 erect, subcespitose, hyaline, continnons or occasionally faintly 

 septate, slender, 15 — 25x3/*. Conidia terminal, acutely ellip- 

 tical, continuous or uniseptate, hyaline, 6 — 10x3//. 



Hadotrichum Heteromelis, E. & E. 



On leaves of Heteromeles arhutifolia, Catalina Island, 

 Calif., Sept., 1893, Prof. A, J. McClatchie, No. 445. 



Maculicol 



Spots dark brown, sub- 



orbicular, 2—4 mm. diam., with a narrow, raised border. 



Hyph 



30x3-| — 4//, mostly sub- 



nodulose or abruptly bent this way and that, above, often 

 swollen at the base, continuous or obscurely septate, deep 

 brown. Conidia terminal, ovate or almond-shaped, brown, 



continuous, 15—22x6 — 7/i. 



Cercospora fuliginosa, E. & E. 



On leaves of Ceanothus arhoreiis, Greene, Catalina Island, 

 Calif., Sept., 1893. Proi A. J. McClatchie, No. 438. 



Spots orbicular, dirty brown, 3—4 mm. diam., subconflu- 

 ent, margin rather paler, not sharply dej&ned, paler and more 

 obscurebelow. Hyphse amphigenous, but more abundant 

 below, cespitose, 25—40x5/^, smoky olive, continuous or 

 faintly septate, torulose above, tufts effused and covering the 

 spots (especially on the lower surface of the leaf) with a 

 black, velvety coat which is very conspicuous. Conidia cylin- 

 drical, obtuse, nearly straight, about 4-septate, 30 — 40x5 6/*, 



dark fuliginous, or elongated above, obclavate, 40—60// long 

 and 6 — 8-septate. 



This is very different from Cer. Ceanotht, Kell & Swingle, 

 which has smaller reddish brown spots and hyaline conidia. 



Cercospora clayicapa, E. & E. 



On leaves of Ptiloria virgata, Pasadena, Calif., Aug., 1893. 



McClatchie, No. 388. 



«i 



