ON POLYGONACEE 227 
seen no British specimens but those collected at Mar Lodge and Braemar, 
which are described above ; the spores of these agree with those of a 
specimen on Pol. viviparum issued by Fuckel (see Symb. Myc. p. 57). It is 
a purely Alpine species. 
97. Puccinia Polygoni-amphibii Pers. 
Medium Geranii DC. ; Cooke, Handb. p. 543; Micr. Fung. p. 199 
p.p.(2). 
4. sanguinolentum Lindr. Myk. Notiz. in Bot. Notis. 1900, p. 241. 
Uredo Polygonorum DC. ; Grev. Sc. Cr. Fl. pl. 80. 
Trichobasis Polygonorum Berk. ; Cooke, Micr. Fung. p. 226 p.p. 
Puccinia Polygonorum Link ; Cooke, Handb. p. 495; Micr. Fung. 
p. 203 p.p. 
P. Polygoni Pers. ; Plowr. Ured. p. 188 p.p. Sacc. Syll. vii. 636 p.p. 
P. Polygoni-amphibit Pers. Syn. p. 227; Sydow, Monogr.'i. 569 p.p. 
Fischer, Ured. Schweiz, p. 301, f. 220. 
[Spermogones. Few, amphigenous. 
4icidiospores. Aicidia hypophyllous, mostly in concentric 
groups, on well-marked spots which 
are deep-red or purplish and often 
surrounded by a conspicuous green- I 
ish-yellow zone, sometimes occupying (0) 
the greater part of a leaf, cup-shaped, 
with a much cut recurved margin; 
spores finely punctate-verruculose, 
yellowish, 18—28 p.] 
Uredospores. Sori amphigenous, 
more often hypophyllous, scattered, i 
roundish, soon naked, pulverulent, 
brownish; spores ellipsoid to obovate, __ ; ; 
faintly echinulate, yellowish-brown, Be a ree oes 
25—28 x 18—21 pw, with two germ- — mphibium. 
pores in the upper half. 
Teleutospores. Sori chiefly hypophyllous, not projecting, 
long covered by the epidermis, surrounding the uredo-sori in a 
circular fashion, dark-brown; spores oblong to clavate, rounded 
and thickened above (5—12 y), often obliquely conical at the 
apex, more or less tapering below, gently constricted, smooth, 
yellow-brown, 85—52 x 16—22,; pedicels nearly hyaline, 
persistent. 
15—2 
