APPENDIX. 207 



pseudo-spores oblong, constricted in the centre, obtusely apiculate. 

 — On leaves of Cnicns heterophyllua. Scotland. 



Pucciiiia Tripolii, Wallr. Sori large, compact ; pseudo- 

 spores elongated, truncate at the apex, bi-nodulose, or with a 

 thick mammseform appendage. — On leaves of Aster Tripolium. 



Puceinia Lapsanse, Fckl. Sori small, flattened, blackish, 

 free ; pseudo-spores rounded or ovate, obtuse, shortly and ob- 

 liquely pedicellate, smooth, brown. — On leaves of Lapsana 

 communis. The Uredo spores are Trichobasis Lajisanee. 



Puceinia Tanaeeti, DC. Spots none; sori dark-brown, 

 orbicnlar or irregular, scattered, girt by the ruptured epidermis ; 

 pseudo-spores obovate or oblong, constricted, ou long hyaline 

 pedicels. — On Tanacetum vulgare. 



Puceinia Centaurese, DC. Sori very small, on both sur- 

 faces, oval or rounded, black, pulverulent, sometimes confluent ; 

 pseudo-spores elliptic, slightly constricted, cells equal ; epispore 

 smooth, brown, on short peduncles. — On Centanrea. 



Puceinia Hieraeii, Mart. Pseudo-spores elliptic, rounded 

 at the ends, granular, scarcely constricted, brown, on very short 

 pedicels. — OaHieracium, Picris, and Orepis. The Uredo spores 

 are Trichobasis Hieraeii. 



Puceinia Millefolii, Fckl. Sori orbicular or oblong, 

 convex ; pseudo-spores oblong clavate, scarcely constricted, lower 

 cell obconic, upper cell ovate, or obtusely apiculate, pale-brown, 

 on long peduncles. — On Achillea Millefolium. 



Puceinia variabilis, Grev. Vabiabm Bband ; sori amphi- 

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

 mis, nearly black; spores variable, obtuse, cellls often subdivided ; 

 peduncle very short. — On leaves of Dandelion. Summer and 

 Autumn. Not uncommon. (Plate IV. figs. 82, 83.) 



Puceinia Seneeionis, Lib. Sori gregarious, minute, 

 punctiforni, convex, covered with the epidermis, which is 

 depressed in the centre and perforated, nearly black; pseudo- 

 spores subovoid, rather small, somewhat apiculate, brown, 

 smooth peduncles very short.— On Senecio aquatica. Scotland. 



Puceinia Valantise, Pers. Ceosswort Bkand; spots obli- 

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

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

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

 Not common. 



