JANUARY 1 TO DECEMBER 31, 1956 127 



233931 and 233932. 



From Canada. Seeds obtained by F. J. Hermann and B. M. Leese, Agricultural 

 Explorers, Plant Introduction Section, Horticultural Crops Research Branch, 

 Beltsville, Md. Received July 13, 1956. 



233931. Bromus barcensis Simk. Poaceae. Bromegrass. 

 No. 717. From the Dominion Experiment Station, Lethbridge, Alberta. 



233932. Cucumis sativtjs L. Cucurbitaceae. Cucumber. 

 'Supercrop'. (Hybrid.) From the Bodie Seed Co., Winnipeg, Manitoba. 



233933. Rubus rosaefolitjs J. E. Smith Rosaceae. 



Roseleaf raspberry. 



From Puerto Rico. Seeds presented by the Federal Experiment Station, Maya- 

 guez. Received July 13, 1956. 



Collected in the mountains. 



233934 to 233938 



From Israel. Bulbs presented by the Hebrew University, Jerusalem. Received 

 July 13, 1956. 



233934. Allium rotundum L. Liliaceae. 

 Collected in Upper Galilee. 



233935. Allium stamineum Boiss. 

 Collected on Mount Carmel. 



233936. Colchicum sp. Liliaceae. 



233937. Colchicum ritchii R. Br. 



233938. Colchicum sp. 



233939 to 233956. 



From Costa Rica. Plants growing at the United States Plant Introduction 

 Garden, Coconut Grove, Florida. Numbered July 16, 1956. 



Clones received at Coconut Grove May 25, 1956 from Turrialba. 



233939 to 233948. He vea (hybrids). Euphorbiaceae. Rubber tree. 



CD = Clonal Designation and PC= Parent Clones. 



233939 to 233942. 



Backcrosses made in Brazil of Dothidella resistant Hevea benthamiana X 

 brasiliensis hybrids to the high-yielding oriental parent. 



233939. CD IAN-3819. PC FX-617 (F-4542 X Tj-1) X Tj-1. 



233940. CD IAN-3827. PC FX-516 (F-4542 X Av-363) X Av-363. 



233941. CD IAN-3831. PC FX-516 (F-4542 X Av-363) X Av-363. 



233942. CD IAN-3890. PC FX-617 (F-4542 X Tj-1) X Tj-1. 



233943 and 233944. 



Primary crosses made in Brazil between a Dothidella resistant Hevea 

 benthamiana jungle selection and an Oriental clone. 



233943. CD FX-555. PC F-4542 X Av-363. 



233944. CD FX-590. PC F-4542 X Av-363. 

 233945 to 233948. 



Clones originating on the Firestone Rubber Plantations at Harbel, Liberia. 



233945. CD C-290. PC BD-10 X Tj-1. 



233946. CD C-297. PC BD-10 X Tj-1. 



233947. CD C-323. PC DU-52 X Tj-1. 



