=Trichobasis Petroselini=, B. PARSLEY RUST; spots yellowish; sori subrotund and oval, confluent, on both surfaces; epidermis at length ruptured; spores globose or subglobose, occasionally obsoletely pedicellate, pale yellow.—On various _Umbelliferæ_. =Trichobasis Senecionis=, B. GROUNDSEL RUST; spots obliterated; sori solitary or regularly crowded, subrotund and oval, on the under surface, surrounded by the ruptured epidermis; spores subglobose, orange.—On various species of Groundsel. July. Very common. Plate VII. figs. 145, 146.) =Trichobasis Caricina=, B. SEDGE RUST; spots red; sori oval, minute, scattered, surrounded by the ruptured epidermis; spores subglobose, reddish, then brown.—On _Carex pendula_, _C. pseudo-cyperus_, &c. June to August. Common. (Plate VIII. figs. 170, 171.) * * _Spores brown._ =Trichobasis oblongata=, B. LUZULA RUST; spots oblong, often confluent, yellow-brown; sori elliptic, on both surfaces; epidermis closed; spores brown, obtuse at either extremity.—On _Luzulæ_. May to July. (Plate VII. figs. 158, 159.) =Trichobasis Scillarum=, B. HYACINTH RUST; spots oblong or subrotund, crowded into patches; epidermis bursting longitudinally; spores rubiginous, obovate, shortly pedunculate.—On the Wild Hyacinth, &c. =Trichobasis Cichoracearum=, Lév. HAWKWEED RUST; on both sides of the leaf, dark, fuscous, minute, round, scattered: spores globose, rarely minutely pedicellate.—On Thistles and Hawkweed. July to September. Common. =Trichobasis Artemisiæ=, B. MUGWORT RUST; spots obliterated, brownish on the opposite side; sori subglobose and oval, minute, scattered, on both surfaces; epidermis soon ruptured; spores subglobose, brownish.—On _Artemisia vulgaris_, &c. Not common. =Trichobasis Labiatarum=, Lév. MINT RUST; spots yellowish and brown; sori subrotund, scattered, subaggregate, on the under surface; epidermis ruptured; spores subglobose, brown.—On various _Labiatæ_. August to September. Common. =Trichobasis Lychnidearum=, Lév. CHICKWEED RUST; spots pallid yellowish; sori subrotund plane, scattered on the under surface, cinnamon, at length brownish; epidermis ruptured; spores globoso-ovoid, sessile, or shortly pedicellate.—On _Caryophyllaceæ_. Summer and Autumn. =Trichobasis Umbellatarum=, Lév. HEMLOCK RUST; spots yellowish; sori subrotund and ovate, scattered, on the under surface, surrounded by the ruptured epidermis; spores ovate, oval, and oblong in the same heap, brown.—On _Conium maculatum_, _Apium graveolens_, and other _Umbelliferæ_. August and September. =Trichobasis Heraclei=, B. HOGWEED RUST; on the under surface, scattered, sometimes subconfluent, roundish, light brown, girt by the remains of the epidermis; spores obovate, with a very short peduncle.—On _Heracleum spondylium_. June and July.