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Trans. N. Y. Acad. Transactions of the New York academy of sciences.

U. S. Dept. Agr. Bur. Pl. Ind. Bull. United States department of agriculture-Bureau of plant industry. Bulletin.

U. S. Dept. Agr. Div. Agros. Bull. United States department of agriculture-Division of agrostology. Bulletin.

U. S. Dept. Agr. Div. Agros. Circ. United States department of agriculture Division of agrostology. Circular.

U. S. Dept. Agr. Div. Bot. Bull. United States department of agriculture Division of botany. Bulletin.

U. S. Dept. Agr. Div. Bot. Circ. United States department of agriculture Division of botany. Circular.

United States department of Bulletin.

U. S. Dept. Agr. Div. Bot. Spec. Bull. United States department of agriculture-Division of botany. Special bulletin. U. S. Dept. Agr. Div. For. Bull. agriculture-Division of forestry. U. S. Dept. Agr. Farmer's Bull. agriculture. Farmer's bulletin.

United States department of

U. S. Dept. Agr. Fiber Invest. Rep. United States department of agriculture-Fiber investigations. Report.

U. S. Dept. Agr. Rep. United States department of agriculture. Report.

U. S. Dept. Agr. Spec. Rep. United States department of agriculture. Special report.

Verh. Bot. Ver. Prov. Brandenb. Verhandlungen des Botanischen vereins der provinz Brandenburg.

Verh. Naturf. Ges. Basel. Verhandlungen der Naturforschenden gesellschaft in Basel.

Verh. Schweiz. Naturf. Ges. Zofingen. Verhandlungen der Schweizerischen naturforschenden gesellschaft, Zofigen.

Verh. Zool. Bot. Ges. Wien. Verhandlungen der K. K. Zoologischbotanischen gesellschaft in Wien.

Vidensk. Medd. Naturh. For. Kjøbenh. Videnskabelige meddelser fra den Naturhistoriske forening i Kjøbenhavn.

Wheeler Rep. U. S. Geogr. Surv. west of the 100th meridian. Report upon United States geographical surveys west of the 100th meridian, in charge of First Lieut. Geo. M. Wheeler.

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