KEY TO THE SEEDS OF THE WILD AND CULTIVATED 
GENERA OF PEAS AND BEANS IN OHIO. 
Gertrude Bartlett. 
1. With a prominent beak-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 hilum. 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 truncate 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 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 J4 in- in diameter. Pisum. 
11. Brown to black; hilum having a conspicuous ridge, or indentation. 
Vicia and Phaseolus. 
Date of Publication, April 17, 1915. 
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