Freeman Bibliographical Database
| Identifier: | A4367 |
| Date: | 1876 |
| Concise reference: | Gray, Asa. 1876. How flowers are fertilized. IX. Ground-nut or Apios. American Agriculturist 36: 22-23. [Darwin Pamphlet Collection] |


| Identifier: | A4367 |
| Date: | 1876 |
| Concise reference: | Gray, Asa. 1876. How flowers are fertilized. IX. Ground-nut or Apios. American Agriculturist 36: 22-23. [Darwin Pamphlet Collection] |