OTULAEIA. 321 



fertile hvpliae erect, simple, not septate, as^gregated ; 

 coiiidia elliptical, cream-coloured, 15 /u. long, ia short chains 

 of two or three, terminal npon the hyphae. 



Ramularia destructica, Phill. & Plow., Grev., vi. p. 23, t. 91, 

 f. 1 ; Sacc, Syll., iv. n. 962. 



On Myrica gale. When it occurs upon the smaller branches 

 it is in the manner of an encircling zone 1-3 cm. wide, whicli 

 quickly causes loss of vitality of the parts beyond, very 

 much in the same manner that Shytisma maxima does. It 

 also occurs on the under surfaces of the leaves, upon reddish- 

 brown spots. (P. & P.). 



Ovularia senecionis. Mass. 



Tufts white, conspicuous, irregular; hyphae erect, septate, 

 wayy, slender; conidia cylindrical, ends rounded, con- 

 tinuous, 7-18 X 5 ft, colourless. 



Eamularia senecionis, Sacc, Syll., iv. n. 1023. 



Cylindrosporium senecionis, B. & Br., Ann. Xat. Hist., 

 n. 1G13. 



On leaves of Senecio vulgaris. 



Ovularia lactea. Mas.=. 



Spots suboircular, -whitish, boundpd by a brownish 

 margin; hyphae rather wavy, 30-60 x 2 /a; conidia variable, 

 elliptic-oblong, fiisoid, or cylindrical, both ends obtuse, 

 8-11 X 2-3 fx, colourless, in short chains. 



Itamularia lactea, Sacc, Mich., ii. p. 549 ; Sacc, Svll., iv. 

 n. 979. 



On upper surface of living leaves of Viola liir'.a, V. 

 odoraia, &c. 



Ovularia armoraciae. Mass. 



Spots irregular in form and size, often numerous, sub- 

 ochraceous then pale; liyphae stibfasciculate, spiinging from 

 a prostrate mycelium, without septa, simple or rarely with 

 nn indication of branching; conidia elongated, cylindrical, 

 both ends obtuse, colourless, 15-25 x 2-5-3 /x (or accord- 

 ing to Fuckel, becoming subventricose, and measuring 

 22 X 5 /i). 



Samularia armoraciae, Fckl., Symb. Myc, p. 361, t. i. 

 f. 24; Sacc, Syll., iv. n. 978. 



On leaves of horse-radish. 



VOL. iir. Y 



