Hemipiiccinia. 1 9 5 



Tcleutospores — Sori amphigenous, black-brown, rounded on the 

 leaves, more often on the stems, petioles, and peduncles, where 

 they are elongated. Spores elliptical or ovate, slightly con- 

 stricted, base rounded, apex a little thickened, rounded or 

 hooded, smooth, brown, 30-45 X 15-25/x,. Pedicels rather 

 long, colourless. 



Syno7iy7ii. 



Fucania oxyria. Fckl., " Symb. Myc," vol. iii. p. 14. Cooke, 

 "Grevillea," vol. xi. p. 15. Winter in Rabh., " Krypt. Flor.," 

 vol. i. p. 186. 



On Oxyria reniformis. 



August. 



The apex of the spores has often an irregular outline. 



Puccinia hydrocotyles. (Link.) 



Uredospores — Sori small, scattered, epiphyllous, surrounded by 

 the ruptured epidermis, rarely confluent, sometimes circinating 

 round a central larger sorus. Spores irregularly oval, sub- 

 pyriform or subglobose, pale brown, finely echinulate, 20-30,11 

 in diameter. 



Teleutospores — Few, mixed with uredospores. Spores oblong or 

 oval, slightly constricted', upper cell rounded at the apex, 

 generally larger, smooth, brown, 40-45 X 20-25/*. Pedicels 

 rather long, hyaline. 



Synonytns. 

 Ccpojna hydrocotyles. Link., "Sp. Plant.," vol. ii. p. 22. 

 TricJwbasis hydrocotyles., Cooke. Cooke, " Micro. Fungi," 4th 

 edit., p. 225, t. 8, figs. 168, 169; "Hdbk.," p. 530. 



Exsiccati. 

 Cooke, i. 69; ii. 59 ; "L. F.," 44. Vize, "Micro. Fungi Brit.," 



!28. 



On Hydrocotyle vidgaris. Epping Forest. 

 July to October. 



