. Fig. 91' Geographical distribution of leaf spot of chestnut caused by 'larssonia ochroltuca L. I-C, in the U. S. as reported to the Plant Disease Survey. CHIKQU;.PIN, T.ESTERN (Castanopsis chrysophylla) Le;af spot caused bj' Scirrhia sp. Oregon - quite corr.on in v/esteni C're^on. (JSr) Probably occurs in '..ashington. (jSr) CRAT /iPPLE, "'"ILD (Tyrus diversifolia} Rust caused by Gynnospcransiur: noctkatensis (Trel.) Arth. Washington - the telia occur on the leaves of ^i-laska cedar (Chamaecyparis nootkatensis). (JS?) DOCr.'OOD (Cornus canadensis) Leaf rust caused by Fuccinia ^or-o

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. Fig. 91' Geographical distribution of leaf spot of chestnut caused by 'larssonia ochroltuca L. I-C, in the U. S. as reported to the Plant Disease Survey. CHIKQU;.PIN, T.ESTERN (Castanopsis chrysophylla) Le;af spot caused bj' Scirrhia sp. Oregon - quite corr.on in v/esteni C're^on. (JSr) Probably occurs in '..ashington. (jSr) CRAT /iPPLE, "'"ILD (Tyrus diversifolia} Rust caused by Gynnospcransiur: noctkatensis (Trel.) Arth. Washington - the telia occur on the leaves of ^i-laska cedar (Chamaecyparis nootkatensis). (JS?) DOCr.'OOD (Cornus canadensis) Leaf rust caused by Fuccinia ^or-ohyr0.:cnita Curt. Vi'aEhin_:ton (JSr) DOG^.VOOD (Cornus nuttallii) PoY/dery nilde'v caused by Phyllactinia corylea (Pers.) Karst. Oregon - on leaves is locally quite abun^.ant but causes little apparent injury to the host. (J£r) DOff^;OOD (Cornus sp.) Leaf spot caused by Cryptomyces naxirnus (Pr.) Rehn. Indiana - local, caused very little damage. (HIT) ELDER (Sambucus canadensis) pQv.'der; rdldev/ caused by I.^icrosphaera grossulariae (".allr.) Lev. Ohio