410 UREDINEAE. 



Aec. phillyreae D. 0. On species of Phillyrea (Britain ?). 



Aec. fraxini Schwein. This causes serious damage in America to the 

 foliage of Fra.rinus rii-idis and Fr. americana. 1 It has also appeared in 

 Europe on the latter species introduced from America. 



Aec. nymphaeoidis I). ( '. ( hi leaves of Limnanthemum, Nuphar, and 

 Nymphaea. (Britain.) 



Aec. pedicularis Lilt. On Pedicularis. (Britain.) (Set- /'/"v. pahtdosa, 

 p. 3->l.) 



Aec. prunellae Wint. On Pfunt'lla nift/art'*. (Britain.) 



Aec. euphorbiae Gmel. is found on many species of Euphorbia. It is 

 probably the Aecidiu'in-farm of Uromyces pisi. (Britain and U.S.America.) 



Aec. convallariae Schum. (Britain and U.S. America). Probably a 

 provisional species-name for aecidial forms found on (.'onrnllnria, Polygon- 

 alum, l\tfix, Liliinn, etc. (See under Puccihia.) 



Aec. ari Desm. (Aec. dracontii Schwein.) is found on species of Arvm. 

 (Britain and U.S. America.) (See Puce, phalandis, p. 349.) 



The following species are found on Acacia and seem to have 

 strong affinity with the genus Ravenaliu : 



Aec. esculentum Barcl. produces deformation of twigs of A<-ncin </'/, ,, 

 in India. Twigs of this kind, likewise shoots deformed by Aec. urticae <"/. 

 himalayense Barcl., and pine-shoots deformed by certain species of Perider- 

 miuni, are eaten in various parts of the world. 



Aec. acaciae (Henn.) on Araria etbaica in Abyssinia. This is said b\ 

 Magnus to cause witches' broom deformation. 



Aec. Schweinfurthii Henn. causes malformation of fruits of Acacia 

 Fistula in Africa. 



Aec. ornamentale Kalcli. causes curvature of shoots of Acacia Itorrida 

 at the Cape. 



The following are some of the more important species 

 recorded for North America only : 



Aecidium dicentrae Trel. Leaves of Dicentfa and Cort/dali*. 

 Aec. monoicum Peck. Leaves of Ambi.-i. 

 Aec. drabae Tr. et Gall. 

 Aec. lepidii Tr. et Gall. 

 Aec. proserpinacae B. et C'. 



Aec. Mariae-Wilsoni Peck. | , r T ^. , 



On species or I iota. 



Aec. Petersii B. et (.'. 

 Aec. cerastii Wint. 



Aec. pteleae B. et C. On leaves of Plcho t ft folia in. 

 Aec. xanthoxyli Peck. 



Aec. splendens Wint. In the cotyledons of Croton monanthogymis. 

 Aec. aesculi Kll. et Kell. 



Aec. psoraleae Peck, and Aec. onobrychidis Burr. On species of Psoral <<.>.. 

 1 Pound, American Naturalist, 1888. 



