. Fio. 173.âA, Urocy»tii anemones on Hellelx)re. Spore-patches on Htnlk and mid-jib. (v. Tubeuf del.; specimen from llerr Sclinabl of .Munich.) B, Urocystis Ltimliachii (U. aneiuonei), cjiusiug Mwelling at husu of .stem of AdonU aettivalU. (v. Tubeuf del.; specimen from Prof. Stahl of Jena.) U. violae (Sow.). (Britain and America.) The det'orma- tiiius induced by this brand are not uncommon on Viola odonda in gardens, also on V. tricolor, V. , and V. hirfa. Its presence is shown externally by the marked thick- ening and malformation of leaf-i)etioles, runners, leaves, and fruit-


. Fio. 173.âA, Urocy»tii anemones on Hellelx)re. Spore-patches on Htnlk and mid-jib. (v. Tubeuf del.; specimen from llerr Sclinabl of .Munich.) B, Urocystis Ltimliachii (U. aneiuonei), cjiusiug Mwelling at husu of .stem of AdonU aettivalU. (v. Tubeuf del.; specimen from Prof. Stahl of Jena.) U. violae (Sow.). (Britain and America.) The det'orma- tiiius induced by this brand are not uncommon on Viola odonda in gardens, also on V. tricolor, V. , and V. hirfa. Its presence is shown externally by the marked thick- ening and malformation of leaf-i)etioles, runners, leaves, and fruit-stalks (Fig. 174). The swellings e.\tend round the wiiole stem, and form pustular outgrowths on the leaves ; the black api)ear after rupture of the epidermis. The llower may develop iKuiually although uilier organs aie diseased. Ill a ease fnjin the ganUni of I'lof llaitig, a Ihtwer-buil unfolded prematurely in the autumn, its stalk was vi-rv much deformeil, the llower itself was somewhat stunteil, vet


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectparasit, bookyear1897