Micropuccinia. 199 
young seedlings will produce a crop of zecidia in the autumn, but as 
a rule they do not do so until the following spring, after the mycelium 
has hybernated in them during the winter. I have sown the seeds 
from ecidiiferous plants, in which the zcidiospores were produced 
upon the receptacle ; most of these seeds failed to germinate, but 
those which did produced healthy plants. I do not find the spermogonia 
at all frequently ; as a rule they are absent. 
Puceinia smyrnii. Corda. 
Lcidiospores—Pseudoperidia hypophyllous or cauline, yellow, at 
first closed hemispherical, then bursting at the apex and be- 
coming cupulate, edges not torn. Spermogonia epiphyllous. 
Spores oval or oblong, golden yellow, finely echinulate, 25-30 
X Io-I5p. 
Teleutospores—Sori small, pulverulent, scattered, black, hypophyl- 
lous. Spores ovoid obtuse or subpyriform, constriction slight 
or absent, upper cell generally the larger, outline irregular from 
the epispore being covered by very large discrete tubercles, 
rich brown, 30-50 X 20-25. Pedicels hyaline, short. 
Synonym. 
Puccinia smyrnit. Corda, vol. i. fig. 67. B. and Br, Ana. 
Nat. Hist., No. 469. Cooke, “Hdbk.,” p. 503 ; “ Micro, Fungi,” 
4th edit., p. 209, t. 3, figs. 55, 56. 
Exsiccati. 
Cooke, i. 320; il. 440. Vize, “Fungi Brit,” 22 
3 “Micro. 
Fungi Brit.,” 562, 563. 
On Smyrnium olusatrum, 
Ecidiospores, May and June. 
Teleutospores, June and July. 
V. MICROPUCCINIA. Schrét. 
Having teleutospores only, which do not germinate until after a period of 
rest, 
Pueccinia betonice. (Alb. and Schw.) 
Teleutospores—Sori dark brown, numerous, small, roundish, con- 
fluent, covering the whole surface of the leaf. Spores broadly 
