UREDO 385 



producing its spores in the following spring. The fungus is recorded also 

 on 11. ferrugineum and R. dahuricum, but does not attack the American 

 or Himalayan species. 



DISTRIBUTION : Central Europe, Siberia. 



Uredo Lynchii Plowr. 



Trichobasis Lynchii Berk, in Gard. Chron. 1877, viii. 242. Berk, et 

 Br. Ann. Nat. Hist. 1878, ser. 5, i. 26. W. G. Smith in Gard. 

 Chron. 1885, xxiii. 603, f. 154. 



Uredo Lynchii Plowr. Ured. p. 259. Sacc. Syll. vii. 852. 



Uredospores. Sori subepidermal, erurapent, on small pallid 

 spots, scattered, rarely confluent ; spores yellow, obovate, beau- 

 tifully echinulate, with short pedicels, 28 — 35 x 20 — 30 /x. 



Fig. 288. U. Lynchii. Sori on leaf of Spiranthes, surrounded by the ruptured 

 epidermis, x 40 ; two uredospores. From the original specimens. 



On a Spiranthes from Trinidad, Kew Gardens, August, 

 September; present on the plant when imported (R. Irwin 

 Lynch). On living leaves of Spiranthes in hothouse, Kelvinside, 

 Glasgow, September, 1890 (D. A. Boyd). Specimens in Herb. 

 Kew. (Fig. 288.) 



Uredo Plantaginis B. et Br. 



Uredo Plantaginis B. et Br. Ann. Nat. Hist. ser. 5, vii. 130 (1881). 

 Plowr. Trod. p. 259. Sacc. Syll. vii. 857. 



Uredospores. Sori epiphyllous, on round yellowish spots 

 3 — 6 mm. wide, erumpent, surrounded by the epidermis; spores 

 roundish to obovate, faintly echinulate with sharp but distant 

 opines, yellowish, varying from 19 x 20 yu. up to 27 x 16 /m, with 

 (apparently) two or three equatorial germ-pores. 



On Plantago lanceolata(i), P. major. Very rare. (Fig. 289.) 

 g. u. 25 



