USTILAGINE^ AND UREDINE^ OF CEYLON. 233 



Pueeinia Thwaitesii B. & Br. 



On leaves of Jtisticia gendarussa Burm. f., Peradeniya, 1867, 

 January, 1850 (Thwaites) ; Colombo, November. 1906; 

 Kalutara, July, 1908 ; Bentota, October, 1908. 



Puccinia Shiraiana Syd. 



On leaves of Justicia procumbens L., Lunugalla, April, 1908. 



Puccinia congesta B. & Br. 



In the original description of this species the name of the 

 host plant is not mentioned. It has been re -described by 

 Lagerheim in Ured. Herb. El. Fries, p. 54, the host being 

 unlaiown. The specimen in the Peradeniya herbarium is 

 clearly marked '' On Polygonum chinense" and it is common 

 on that plant in Ceylon. It appears to be identical with 

 Puccmia Solmsii P. Henn. 



Pattipola, June, 1905, leg.'E. E. Green ; Hakgala, March, 

 1907, May, 1910 ; Gangaruvva, June, 1909. 



Uredo-sori minute, gregarious, on minute purple spots, 

 hypophyllous, circular, bright brown, up to 0'25 mm. 

 diameter. Uredospores yellow -brown, echinulate, globose, 

 pyriform, or ovoid, 21-25 X 17-22jjl. 



Teleutosori on circular spots up to 1 cm. diameter. Spots 

 at first bright crimson on the upper surface, and depressed, 

 then red-brown with a broad purple margin. Sori h}^ophyl- 

 lous, circular, 0*25 mm. diameter, or elongated, becoming 

 crowded and confluent, almost entirely covering the spots, 

 compact, pale purple-brown. Teleutospores oblong, apex 

 truncate or rounded, thickened, pale brown, constricted at 

 the septum, lower cell often inflated and often oblique, 38-55 

 X 14-20^ ; pedicel hyaline, persistent, 3-6iJL thick, up to 80iji 

 long. The teleutospores break up readily into tAvo cells. 



Puccinia ferruginea Lev. 



On Smilax zeylanica L., gecidia, uredo, and teleutospores, 

 Hakgala, September, 1908, May, 1910. On Smilax aspera L., 

 uredo and teleutospores, Hakgala, March, 1907. On Smilax 

 sp., uredo and teleutospores, Peradeniya, June, 1910, leg. 

 E. E. Green. 



