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198 MICEOSCOPIC FUNGI.
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Puccinia BetoniesB, DC. Betony Brand; spots obliterated
;
sori hypogenous, subrotund, aggregate, surrounded by
the ruptured epidermis ; spores very pale-brown, short, obovate,
—
elliptic ; peduncles short. On Stachys Betonica. Rare.
Puccinia Vincee, Berk. Periwinkle Brand; spots yellowish
;
sori hypogenous, scattered, subrotund, surrounded by
the ruptured epidermis ; spores brown, oblong, slightly constricted,
lower cell rather" attenuated; peduncle
—
very short. On leaves of
Vinca major. (Plate VI. fig. 182.) Autumn. Not uncommon.
Puccinia Campanulse, Carm. Campanula Brand ; spots
apparently none; sori large, irregular, crowded, for a long time
covered with the epidermis, at length surrounded by it ; spores
oblong-ovate, or slightly constricted ; peduncles very short.— On
Campanulce. Not common, i
Puccinia clandestina, Carm. Scabious Brand; spots
yellowish; sori very minute, distinct, but collected together in
great numbers, dark-brown ; epidermis — evanescent ; spores oblong,
very slightly constricted, pedunculate. On Scabiosa succisa. Not
common.
Puccinia Compositarum, Sch. Composit^e Brand;
spots obliterated or whitish; sori small, subrotund, generally
hypogenous, enckcled with the ruptured epidermis ; spores brown,
oval, scarcely constricted.— On the leaves of Centaurea;^ &c.
Autumn. Common. (Plate IV. figs. 67, 68.)
Puccinia Syngenesiarum, Lk. Thistle Brand ; spots
obliterated ;
sori minute, collected in oval blackish-brown,
raised spots, covered with the epidermis ; spores brown ; peduncles
very short.— On the leaves of Thistles. Autumn.
Common. (Plate IV. figs. 63, 64.)
Puccinia glomerata, Grev. Ragwort Brand; spots
pale sori
; roundish, depressed, often confluent ; spores oblong,
very variable; peduncles short.
— On leaves of Ragwort, Senecio
Jacohcea. Not common.
Puccinia variabilis, Grev. Variable Brand ;
sori amphigenous,
minute, roundish, surrounded by the ruptured epidermis,
nearly black ; spores variable, obtuse, cells often subdivided ;
peduncle very short.—On leaves of Dandelion. Summer and
Autumn. Not uncommon. (Plate IV, figs. 82, 83.)
Puccinia Valantise, Pers. Crosswort Brand ; spots obKterated
; sori small, subrotund, scattered or crowded ; spores
pale-brown, obovate, attenuated below, the upper segment
globular, easily separating. — On Galium cniciatum. Autumn.
Not common.