KEY TO THE SEEDS OF THE WILD AND CULTIVATED 

 GENERA OF PEAS AND BEANS IN OHIO. 



Gertrude Bartlett. 



1. With a prominent l:)eak-like micropylar point; seeds angular. Cicer. 



1. Not with a beak like point. 2. 



2. Seeds lenticular, flat, biconvex, with a groove beyond the hilum. 



Ervum. 



2. Seeds not true lens shaped. 3. 



3. With a prominent curved white pith-like raphe between the micropyle 



and the liiluin. Dolichos. 



3. Not with a prominent pithy white raphe. 4. 



4. Hilum broad at one end and tapering to a point at the other, surrounded 



by a groove of darker color; short, kidney-shaped, more or less angu- 

 lar or irregular. Vigna. 



4. Hilum, regularly oval or linear. Not broad at one end and narrow at 



the other. 5. 



5. Seeds tnincate at both ends. 6. 



5. Seeds not truncate at both ends. 7. 



6. A narrow white line or ridge along almost the entire hilum; testa scurfy. 



Strophostyles. 



6. Hilum of the same color as the seed; testa smooth. Glycine. 



7. Two point-like or lip-like projections beyond the hilum separated by 



a groove. Phaseolns. 



7. Not having point-like projections beyond the hilum. 8. 



8. Spherical, or ellipsoidal, the sides not flattened. 9. 



8. Flattened on the sides, rounded at the ends. 10. 



9. Veining of the testa prominent unless dark colored, often more or less 



bean-shaped or elongated, usually more than J^ in. long. Soja. 

 9. Veining not prominent, generally spherical. 11. 

 10. Hilum one-fifth of the circumference. Vicia. 



10. Hilum much less than one- fifth of the circumference. Falcata. 



11. Color white, yellow, green or gray; hilum the color of the testa; usually 



over }4: ii^- i^i diameter. Pisiim. 

 11. Brown to black; hilum having a conspicuous ridge, or indentation. 



Vicia and Phaseolus. 



Date of Publication, April 17, 1915. 



500 



