=Aregma obtusatum=, Fr. STRAWBERRY BRAND; hypogenous, scattered, in minute tufts; spores multiseptate, terminal joint obtuse; peduncles equal.—On leaves of barren Strawberry. Autumn. Common. (Plate III. fig. 35.) TRIPHRAGMIUM, Lk. Spores trilocular, septa mostly vertical and horizontal.—_Berk. Outl._, p. 332. =Triphragmium Ulmariæ=, Lk. MEADOW-SWEET BRAND; spots obliterated; sori at first subrotund, covered with the epidermis; at length, when the cuticle has vanished, effuse; spores brown, subturbinate, divided by a vertical dissepiment, shortly pedicellate.—On leaves of Meadow-sweet, _Spiræa ulmaria_. Autumn. (Plate III. fig. 48.) PUCCINIA, Pers. Spores uniseptate, supported on a distinct peduncle.—_Berk. Outl._, p. 329. =Puccinia graminis=, Pers. CORN MILDEW; spots pale, diffuse; sori linear, confluent, amphigenous; spores at length black, clavate, very slightly constricted.—On the leaves and culms of corn and grass. Autumn. Very common, and injurious to corn. (Plate IV. figs. 57-59.) Var. _β. Arundinis_, Grev. Sori broad; spores more constricted and with longer peduncles.—On the leaves and sheaths of reeds. Very common. =Puccinia striola=, Lk. SEDGE MILDEW; spots pallid; sori linear, crowded, distinct, subconvex; spores at length black, oblong and slightly constricted, or obovate, and not constricted.—On Sedges, Rushes, &c. Autumn. Common. =Puccinia coronata=, Cd. CORONATED MILDEW; spots pallid; sori linear, short, crowded, not confluent, surrounded by the ruptured epidermis; spores shortly pedicellate, pallid; the apex surrounded by obtuse radiating teeth.—On various Grasses. Autumn. Not uncommon. (Plate IV. figs. 60-62.) =Puccinia truncata=, B. and Br. IRIS BRAND; spots obliterated; sori oblong, brown, surrounded by the scarious epidermis; spores obovate-oblong, even, attenuated below, upper cell abruptly truncate.—On _Iris fœtidissima_. Autumn. =Puccinia Asparagi=, DC. ASPARAGUS BRAND; spots none; sori reddish-brown, generally on the stems, scattered and crowded, surrounded by the ruptured epidermis; spores oblong, obtuse, constricted; peduncle white, long, thread-like.—On dead stems of _Asparagus_. Autumn. =Puccinia Polygonorum=, Lk. POLYGONUM BRAND; spots yellowish; sori minute, crowded into orbicular patches; spores brown-black, obovate-oblong, frequently constricted, with the upper joint globose.—On the under surface of the leaves of various species of _Polygonum_. Autumn. Common. =Puccinia vaginalium=, Lk. KNOTGRASS BRAND; spots none; sori hypogenous, subrotund or oblong, at first surrounded by the ruptured epidermis; spores brown, obtusely ovate; pedicels long, filiform.—On leaves and stems of Knotgrass, _Polygonum aviculare_. Autumn.