HISTORICAL INTRODUCTION 17 



Trijolium repens (white clover) Brenchley and Warington, 1927 



T. minus (lesser clover) Brenchley and Warington, 1927 



T. hybridum (Alsike clover) Cook, 1938 



Onobrychis sativa (sainfoin) Mevius, 1928 



Ornithopus sativus (serradella) Kedrov-Sichman and Dankova-Ano- 



china, 1940. 

 Arachis hypogea (pea-nut) Burkhart and Collins, 1942 

 Vicia Faba (broad bean) Warington, 1923 

 V. sativa (common vetch) Sommer, 1927 

 V. villosa (hairy vetch) Lohnis, 1937 

 Pisum sativum (garden pea) Nakamura, 1903 

 Lathy rus odoratus (sweet pea) Laurie and Wagner, 1940 

 Lens esculenta (lentil) Kalantyr, 1939 

 Phaseolus multijlorus (scarlet runner) Warington, 1923 

 P. vulgaris (dwarf bean) Brenchley and Warington, 1927 

 Glycine hispida (soya bean) Brenchley and Warington, 1927 

 Linum usitatissimum (flax) Sommer and Lipman, 1926 

 Citrus sinensis (orange) Haas, 1929 

 C. limonia (lemon) Haas, 1929 



Ricinus communis (castor oil) Sommer and Lipman, 1926 

 Euphorbia pulcherrima (poinsettia) Laurie and W T agner, 1940 

 Impatiens balsamina (balsam) Rehm, 1937 

 Vitis vinifera (vine) Maier, 1937 



Malva verticillata (forage mallow) Schropp and Arenz, 1940 

 Gossypium s-p. (cotton) Sommer and Lipman, 1926 

 Begonia semperflorens Laurie and Wagner, 1940 

 Apium graveolens (celery) Purvis and Ruprecht, 1935 

 Daucus Carota (carrot) Warington, 1940 

 Vaccinium corymbosum (blueberry) Shive, 1935 

 Ipomoea Batatas (sweet potato) Cooper, 1938 

 /. purpurea (morning glory) Ark and Thomas, 1940 

 Phacelia sp. Schropp, 1941 

 Salvia occidentalis s' Jacob, 1936 

 Perilla ocymoides Skolnik, 1935 

 Solanum tuberosum (potato) Breckenridge, 1921 

 Lycopersicum esculentum (tomato) Johnson and Dore, 1928 

 Nicotiana tabacum (tobacco) Swanback, 1927 

 Calceolaria herbeohybrida (calceolaria) Ark and Tompkins, 1941 

 Sinningia speciosa (gloxinia) Ark and Tompkins, 1941 

 Gardenia Veitchii Laurie and Wagner, 1940 

 Coffea arabica (coffee) s' Jacob, 1936 

 Cucumis Melo (melon) Brenchley, 1926 

 Cucurbita Pepo (pumpkin) Sommer, 1927 

 C. maxima (squash) Purvis and Hanna, 1940 

 C. Melo var. cantalupensis (cantaloupe) Stier, 1942 

 Helianthus annuus (sunflower) Sommer and Lipman, 1926 

 Dahlia variabilis Sommer, 1927 



Chrysanthemum indicum Ferguson and Wright, 1940 

 Carthamnus tinctorius (safliower) Schropp, 1941 



