APPENDIX. 197 



Puceinia Polygonorura, Lk. Polygonum Brand ; spots 

 Tcllowisli; sori minute, crowded into orbicular patches; spores 

 i rown-black,obovate-oblong, frequently constricted, with the upper 

 joint globose. — On the under surface of the leaves of various 

 t;pecies of Polygonum. Autumn. Common. 



Puceinia vaginalium, Lk. Knotgrass Brand; spots 

 none ; sori hypogenous, subrotuud or oblong, at first surrounded 

 by the ruptured epidermis ; spores brown, obtusely ovate ; pedicels 

 long, filiform.— On leaves and stems of Knotgrass, Polygonum avu 

 culare. Autumn. 



Puceinia Thesii, Chaill. Bastard-toadflax Brand; 

 cauline and amphigenous ; sori blackish-brown, small, roundish, 

 or oblong, convex, scattered or aggregate, surrounded by the 

 luptured epidermis ; spores ovate, obtuse, scarcely constricted ; 

 pedicels elongated. — On Thesitcm humifusum, in company with 

 j^cidmm Thesii. Chipstead, Surrey, Oct. 14, 1864. {A. Grugeon.) 



Puceinia Primulse, Grev. Primrose Brand ; hypogenous, 

 deep brown, solitary, scattered, or concentric and subconfluent • 

 spores obovate-oblong, slightly constricted. — On Primrose leaves. 

 Not common. 



Puceinia Veronicarum, DC. Veronica Brand; spots 

 yellowish ; sori subglobose, aggregate, or circinating, central one 

 large; spores brown, obovate-oblong, more or less constricted. 

 — On the under surface of the leaves of several species of Veronica. 

 Not common. 



Puceinia Glechomatis, DC. Ground-Ivy Brand ; spots 

 brownish; sori subrotund, scattered, hypogenous; spots brown, 

 rather short, subelliptic, scarcely at all constricted.— On leaves of 

 Ground Ivy, Glechoma hederacea. September and October. Not 

 uncommon. (Plate IV. figs. 73, 74.) 



Puceinia Menthse, Pers. Mint Brand ; spots obliterated ; 

 sori varying in size, hypogenous, subrotund, scattered; spores 

 at length black, subglobose, or angular; peduncles short.— On 

 leaves of Mint, Wild Thyme, Marjoram, &c. Autumn. Common. 

 (.Plate IV. figs. 09, 70.) 



Puceinia Scorodonise, Lk. Wood-sage Brand; spots 

 obliterated ; sori small, confluent in subrotund patches, hypoge- 

 nous ; spores cinnamon ; peduncles very long.— On leaves of Wood- 

 sage. Darenth Wood. Not common. 



Puceinia Serophularise, Lib. Pigwort Brand; spots 

 pallid ; sori subrotund, oblong, or linear and confluent, surrounded 

 by the ruptured epidermis ; spores very much crowded, sub- 

 globose or oval, brownish, plicate, but not truly septate ; pedicels 

 elongated.— On Scroplmlaria aquatica. Penzance. Very rare. 



