46 PLANT INVENTORY NO. 164 



231956 to 231963— Continued 



231960. Dioscorea sp. 



Col. No. 1194. Forest road, Golfito. Mar. 7, 1956. Vine with mottled 

 leaves; tubers pencil-like. 



231961. Dioscorea sp. 



Col. No. 1195. Forest trail, Golfito. Mar. 7, 1956. Leaves solid green; 

 tubers slender. 



231962. Dioscorea sp. 



Col. No. 1124. On road-cut above San Vito de Java. Mar. 15, 1956. Stems 

 pubescent; tubers to 7 inches long, 2 inches in diameter; flesh white. 



231963. Dioscorea remota Morton Yam. 



Col. No. 1241. Forest road beyond Laguna, San Vito de Java. Mar. 16, 

 1956. Tubers to 10 inches below surface, discoid, with roots around edge. 



231964. Malus sylvestris Mill. Malaceae. Common apple. 



From Great Britain. Scions presented by the East Mailing Research Station, 

 Maidstone, Kent, England. Received Apr. 2, 1956. 

 'Bramley's Seedling M127'. 



231965 and 231966. 



From Norway. Budwood presented by Prof. Bjorne Ljones, Agricultural 

 College of Norway, Vollebekk. Received Apr. 2, 1956. 



231965. Prunus avium L. Amygdalaceae. Sweet cherry. 

 'Holmabaer'. 



231966. Prunus cerasus L. Sour cherry. 



1 Minister Podbrelsky'. 



231967 to 231970. 



From Great Britain. Plants presented by George Jackman & Sons, Woking, 

 Surrey, England. Received Apr. 2, 1956. 



231967. Berberis gagnepainii C. Schneid. Berberidaceae. 



Black barberry. 



'Fern Spray'. 



231968. Berberis X stenophylla Lindl. Rosemary barberry. 



231969. Berberis thunbergii DC. Japanese barberry. 

 'Vermillion'. 



231970. Pyracant.ha sp. Malaceae. 

 'Knaphill Buttercup'. 



231971 to 231980. 



From the Netherlands. Cuttings presented by the Instituut voor Bosbouwk- 

 undig Onderzoek, Wageningen. Received Apr. 2, 1956. 



231971. Populus X robusta Schneid. Salicaceae. Poplar. 



231972. Populus X gelrica Houtzag. Poplar. 



231973. Populus manitobensis Dode. Poplar. 



231974. Populus X canadensis var. marilandica (Poir.) Rehd. Poplar. 



231975. Populus X canadensis var. regenerata (Henry) Rehd. Poplar. 

 'Neeroctaren'. 



231976 and 231977. Populus X robusta Schneid. Poplar. 



231976. Typical form. 



231977. 'Zeeland'. 



