ON RANUNCULUS 107 
formed on other leaves on a localised mycelium, cause no deformation and 
are not conspicuous; in them are a few secondary uredospores. The 
teleutospores have unusually coarse warts, mostly towards the apex, or are 
sometimes nearly or partially smooth. Bub4&k records (Centralbl. f. 
Bakter. 2, xvi. 158) that in many trials in three years he could never get 
the teleutospores to germinate, and could not artificially produce infection 
in Alchemilla, though Klebahn (Zeitschr. f. Pflanzenkr. 1907) did so 
readily with the uredospores. This species can be gathered at considerable 
altitudes in Wales and Scotland (and as high as 7200 ft. in Switzerland). 
DISTRIBUTION : Europe, Asia Minor, Greenland. 
20. Uromyces Ficarie Lév. 
Uredo Ficariae Schum. Pl. Sall. ii. 232. 
Uromyces Ficariae Lév. Ann. Sci. Nat. 3. viii. 390. Cooke, Handb. 
p. 518; Micr. Fung. p. 212, pl. 7, f. 156—7. Plowr. Ured. p. 140. 
Sacc. Syll. vii. 568. Sydow, Monogr. ii. 208. Fischer, Ured. 
Schweiz, p. 13, f. 12. 
Teleutospores. Sori amphigenous or on the petioles, about 
4 mm. diam., rounded, frequently col- 
lected into dense orbicular or elongated 
clusters, on pale-yellow spots, especially 
on the petioles where they cause not- 
able distortion, soon naked, pulverulent, 
chocolate-brown; spores more or less 
obovate,often irregular, not thickened 
above, but with a conical hyaline papilla, Tata re sre 
smooth, pale-brown, 22—38 x 18—26 py; Ficaria. é : 
pedicels hyaline, deciduous; a few sub- 
globose, pale-brownish, faintly echinulate uredospores, each 
with three germ-pores, are occasionally found intermixed, but 
are usually abortive. 
On Ranunculus Ficaria. March to early June. Very 
common. (Fig. 60; see also Fig. 79.) 
The ecidium on the same host belongs to the life-cycle of Uromyces 
Poae, and is considered to have no connection with the Uromyces on 
A. Ficaria, though it may be found on the same leaf. Klebahn proved 
that the teleutospores reproduce themselves. But there is a curious 
conclusion arrived at by Tranzschel, as the result of his experiments 
