204 



Uredo RJiamnaceae, Stylidiaceae, Compositae 



RHAMNACEAE. 



Spyridium, Pomaderris. 



151. Uredo spyridii Cooke and Mass. 



Cooke and Massee, Grev. XV., p. 99 (1887). 

 Cooke, Handb. Austr. Fung., p. 343 (1892) 

 Sacc. Syll. VII., p. 861 (1888;. 



II. Sori hypophyllous, punctiform, generally scattered, sometimes con- 

 fluent, ochraceous to snuffy brown, soon bursting through epidermis, 

 pulverulent. 



Uredospores yellowish to orange-yellow, ellipsoid to obovate, 

 distinctly echinulate, with coarsely granular contents, 22-31 x 

 17-22 nj paraphyses enveloping sori, long, curved, tufted, hyaline 

 to pallid, generally slightly swollen at apex. 

 On leaves of Spyridium parvifolium F.v.M. 



Victoria Oakleigh, June, 1886 (Watts). Sept., 1887 (Mrs. 

 Martin). Murramurrangbong Ranges, Dec., 1903, and Jan., 

 1905 (Robinson). 

 On Pomaderris apetala Labill. 



Victoria Murramurrangbong Ranges, Jan., 1905 (Robinson). 

 Tasmania Devonport, Jan., 1906 (Robinson). 



On both genera of host plants the sori are surrounded by paraphyses. 

 The rust is very plentiful on the leaves, and, although a large quantity of 

 material has been examined at different seasons of the year, only the uredo- 

 stage has been found. 



(Plate XXVIII., Fig. 245.) 



STYLIDIACEAE. 



Stylidium. 



152. Puccinia stylidii Me Alp. 



II. Sori on both surfaces of leaf, solitary or sub-gregarious, elliptic, 



bullate, and splitting raised epidermis, sometimes confluent later- 

 ally, reaching 1 mm. or more in length. 



Uredospores orange-yellow, elliptic to subglobose, echinulate, with 

 solitary germ-pore on one face, 22-24 X 16-18 p, or 22-24 p diam. 



III. Teleutosori, p. 210. 



On leaves of Stylidium graminifolium Sm. 



Tasmania New Waterworks, Hobart, Nov. 1892, II. (Rod way). 

 Darluca filum, Cast., literally covered some of the sori. 



(Plate XXVIII., Fig. 242.) 



COMPOSITAE. 

 153. Uredo bidentis P. Henn. 



Bidens. 



Henniiigs, Hedw. XXXV., p. 251 (1896). 

 Sacc. Syll. XIV., p. 395 (1899). 



II. Sori scattered or densely gregarious, amphigenous, most numerous 

 on under surface, minute, pulvinate, then flattened or somewhat 

 patelliform, ochraceous, surrounded by the epidermis. 



Uredospores ovoid, ellipsoid or subglobose, yellow or pale brown, 

 epispore pale chestnut-brown, 2-3 ^ thick, finely echinulate or almost 

 smooth, 25-35 X 22-27 p t in exceptional cases 41 p long; para- 

 physes numerous, hyaline, clavate, 50-60 ^ long. 



