16 Transactions. 
1. Phragmidium mucronatum Schlechtendal. (Fig. 88.) Rosaceae. 
Schlecht. Fl. Berol., vol. 2, p. 156, 1824. 
Uredo Rosae-centrifoliae Pers., Syn. Fung., p. 215, 1801. U. miniata Pers., l.c., 
p. 216. U. elevata Schum., Enum. Pl. Saell., vol. 2, p. 229, 1803. U. Rosae 
R 3. Ў 
Obs. Myc., vol. 1, p. 225, 1815. art 
ed., p. 230, 1817. Caeoma miniatum Schlecht., Fl. Berol., vol. 2, p. 120, 
1824. С. Rosae Schlecht., Lc. Phr. ob ү 
Phr. Rosarum Fcl., Symb. Myc., p. 47, 1869. Phr. subcorticinum Wint., in 
T 76, 1895. A disciflora Arth., Proc. Ind. Acad. 
79, 1899. Phragmidium Rosae-pimpinellifoliae Diet., Hedw., 
39, 1905. 
on stems confluent, up to 20 mm. long, forming large inflated distortions ; 
reddish-orange, pulverulent ; paraphyses present and as a rule encircling 
only the smaller sori; incurved, clavate, hyaline. Spores elliptical, obovate, 
or subglobose, 22-30 x 15-23 mmm.; epispore hyaline, finely and densely 
III. Teleutosori hypophyllous, scattered, orbicular, 0-25-0-5 mm. diam., 
somewhat pulverulent, black, naked, with numerous spores in each sorus. 
Spores 5-9-celled, commonly 7-8, oblong-terete, 72-98 x 28-35 mmm.;. 
apex obtusely rounded, not thickened, crowned with a prominent papilla, 
hyaline at the tip, coloured below, not continuous with the upper cell- 
osts :— 
Rosa Eglentaria Mill. (= R. rubiginosa L.). On leaves, stems, petioles, 
and fruits. Herb. No. 373. I. York Bay (Wellington), E. H. 
Atkinson! 3 April 1921. Blenheim, E. H. Atkinson! 3 Nov., 
1922. Mapua (Nelson), G. H. C. 17 May, 1922. 
