Æcidium Primulæ, DC. Primrose Cluster-Cups; spots obliterated; peridia solitary, scattered, and crowded, hypogenous; spores whitish-yellow.—On the under surface of leaves of Primroses. Not common. May.
Æcidium rubellum, Pers. Dock Cluster-Cups; spots purple; peridia circinating, centre free; spores yellowish-white.—On leaves of Dock and Sorrel. Not uncommon in moist localities. May and June.
Æcidium Ari, Berk. Wake-robin Cluster-Cups; spots round, confluent; peridia circinating, not crowded, central ones abortive.—On leaves of Arum maculatum. Not common. June and July.
Æcidium Dracontii, Schwein. Arum Cluster-Cups; spots pallid, extensively scattered over the leaves, sometimes nearly covering them; peridia large, scattered, abundant, disposed without order on the spots; spores orange.—On Arum triphyllum, in gardens. Melbury, 1863 (Rev. M. J. B.) A North American species.
Æcidium Allii, Grev. Garlic Cluster-Cups; spots pale; peridia circinating, not contiguous; spores yellowish.—On leaves of broad-leaved Garlic (Allium ursinum). June and July.
Endophyllum, Lév.
Peridium enclosed within the substance of the leaf, bursting irregularly.
Endophyllum Sempervivi, Lév.; peridia immersed, elliptic or roundish; spores ochraceous, becoming brownish.—On leaves of Houseleek.
PUCCINIÆI.
a. Spores stipitate.