I 14 



IKOMVCES 



of the preceding crop, all affected mangel "tops" .should be burnt: 

 rotation of crops is of course a sure preventive, as in all such cases. 



I Mm i;ii:i rmx : Europe, California, South Africa, Australia, 

 New Zealand. 



26. Uromyces Salicorniae Do Bary. 



JEcidium Salicorniae DC. Flor. fr. vi. 92. 



Uromyces Salicorniae De Bary, in Rab. Fung. Eur. nos. 1385— G. 



Cooke, Grevillea, vii. 137. Plowr. Ured. p. 129. Sacc. SylL vii. 



538. Sydow, Monogr. ii. 230. 



Jl-irfiospores. /Ecidin on the cotyledons chiefly, scattered 

 or in small clusters, at first hemispherical, then cup-shaped, 

 with erect, torn, white margin ; spores finely verruculose, 

 orange-yellow, 17 — 35 p. 



Uredospores. Sori scattered or aggregated, minute, rounded, 

 long covered by the epidermis, pulverulent, 

 cinnamon ; spores ovate to pyriform, very finely 

 echinulate, yellow-brown, 24 — 35 x 18 — 25 /u, ; 

 epispore about 1| fx thick. 



Teleutospores. Sori similar, but larger and 

 rather compact, dark-brown ; spores subglobose 

 to obovate, rounded above and often thickened 

 (up to 4 im), and surmounted by a thin, broad, 

 dark cap, rounded below, smooth, brown, 25 — 

 35 x 18 — 28 \i ; pedicels hyaline, thick, per- 

 sistent, as much as 80 p, long. 



On leaves and stems of Salicornia europaea 

 {herbacea). October — November. Rare. 

 (Fig. 66.) 



The teleuto-sori are chiefly on the stems, as much as 3 mm. long, and 

 very pulvinate. 



Distribution : France, Germany. 



27. Uromyces Rumicis Wint. 



Uredo Rumicis Schum. PI. Sail. ii. 231. 

 Trichobasis Bumicum DC. ; Cooke, Micr. Fung. p. 225 p.p. 

 Uromyces apiculosa Lev.; Cooke, Handb. p. 518; Micr. Fung. 

 p. 212 p.p. (excl. figs.). 



Fig. 66. U. Sali- 

 corniae. Teleu- 

 tospores on ,S'. 

 herbacea. 



