XenodocJnis. 227 



Lecythea gyrosa, Berk. Cooke, " Micro. Fungi," 4th edit., 

 p. 222. 



Puccinia gracilis. Grev,, " Flor. Edin.," p. 428. Johnst.,. 

 " Flor. Berw.," vol. ii. p. 193. 



Aregma graci/e, Grev. Berk., " Eng. Flor.," vol. v. p. 358. 



Plwagmidinm gnicile, Berk. Cooke, " Hdbk.," ]). 491; 

 " Micro. Fungi," 4th edit., p. 201. 



Exsiccaii. 

 Cooke, i. 21, 64 ; ii. 68, 210. Vize, "Fungi Brit.," 4 ; " Micro. 

 Fungi Brit.," 119. Baxter, 39, 



On Rub us idceus. 

 July to October. 



XENODOCHITS. Schlecht. 



Teleutospores separate, pedicellate, cylindrical, multicellular 

 (15-20). ^cidiospores in basipetal chains. 



Xenodochus carbonarius. Schlecht. 



^cidiospores — Sori orange-red, large, roundish, on the stems 

 elongated. Spores in short chains, subglobose, orange-yellow, 

 verrucose, 15-25 x iS-20/x. Paraphyses clavate, with traces 

 of orange-yellow endochrome. 



Teleutospores— Son jet-black, thick, pulvinate, roundish, often 

 confluent. Spores long, cylindrical or vermiform, often curved, 

 cells ten to twenty, much constricted,, generally smooth, 

 except the terminal, which are slightly verrucose, dark brown, 

 cells i5-20)U., the whole spore 250-300/x long. Pedicels 

 very short, persistent. 



Synonyms. 



Phragmidium carbonarium (Schlecht.). Winter in Rabh., 

 " Krypt. Flor.," vol. i. p. 227. 



Xenodochus carbonarius. Schlecht., " Linnea," vol. i. p- 237, 

 t. iii. fig. 3. B. and Br., No. 133. Currey, Micro. Jour., vol. v. 

 t. 8, fig. 34. Cooke, " Hdbk.," p. 489; "Micro. Fungi," 4th edit., 

 p. 201, t. iii. fig. 29. 



