198 MICEOSCOPIC FUNGI. ^ 



Puccinia BetoniesB, DC. Betony Brand; spots obli- 

 terated ; 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 yel- 

 lowish ; 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 ; pe- 

 duncles 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, Se- 

 necio Jacohcea. Not common. 



Puccinia variabilis, Grev. Variable Brand ; sori amphi- 

 genous, minute, roundish, surrounded by the ruptured epider- 

 mis, 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 obK- 

 terated ; sori small, subrotund, scattered or crowded ; spores 

 pale-brown, obovate, attenuated below, the upper segment 

 globular, easily separating. — On Galium cniciatum. Autumn. 

 Not common. 



