ON SAXIFRAGACEE 2138 
conical papilla, marked with faint, sometimes curved, longitu- 
dinal strie, pale-brown, 26—45 x 
14—20 yw; pedicels hyaline, slender, 
deciduous, not as long as the spore. 
On leaves and petioles of Sast- 
fraga granulata, S. stellaris, S. um- 
brosa. Rare. August. (Fig. 160.) 
The markings on the teleutospores are Fig. 160. P. Saxifva . 
perfectly invisible when wet. This species inagaanaien: ud, on Pa an a 
has no connection with Caeoma Sazxifragae (Ireland), b, on S. stellaris 
which is also found on S. granulata. I (Lochnagar). 
have specimens from both Scotland and Ireland, the latter on 8. wmbrosa 
from Clare Island, and the former on S. stellaris from Lochnagar. 
Distrisution: Central and Western Europe. 
84. Puccinia Pazschkei Dietel. 
Puceinia Pazschkei Diet. in Hedwig. 1891, p. 108; Ber. deutsch. Bot. 
Gesell. ix. 44, pl. 3, £15. Sace. Syll. xi. 185. Sydow, Monogr. 
i. 503, f. 411. Fischer, Ured. Schweiz, p. 148, f. 113. Trans. 
Brit. Myc. Soe. iii. 123. 
Teleutospores. Sori epiphyllous, about 4—1 mm. wide, 
scattered or more often in orbicular 
groups 2—3 mm. diam., a few occasion- : CoN 
ally hypophyllous, surrounded by the } 
swollen and torn epidermis, pulverulent, (0 } 
dark reddish-brown ; spores ellipsoid or 
oblong, rounded at both ends, very _. ; 
‘ _ : Fig. 161. P. Pazschkei. Te- 
slightly thickened above or with a  jeutospores and mesospore, 
minute flat papilla, gently constricted, (Sutton Coldfield). 
faintly and irregularly verruculose, pale clear-brown, 25—35 x 
13—18 »; pedicels hyaline, short, deciduous; a few mesospores 
intermixed. 
On leaves of Saaifraga longifolia, Kew Gardens (G. Massee), 
Journ. Bot. xlvi. 152. On a hybrid between S. Cotyledon and 
S. aizoon, Sutton Coldfield, April and May, 1911—12. (Fig. 161.) 
A parasite doubtless introduced into this country with the plants. In 
the Sutton example, the sori form two or three perfectly round groups 
