Trees : a handbook of forest-botany for the woodlands and the laboratory.
- Harry Marshall Ward
- Date:
- 1904-09
Licence: Public Domain Mark
Credit: Trees : a handbook of forest-botany for the woodlands and the laboratory. Source: Wellcome Collection.
Provider: This material has been provided by the Gerstein Science Information Centre at the University of Toronto, through the Medical Heritage Library. The original may be consulted at the Gerstein Science Information Centre, University of Toronto.
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![II] the remains of the stigmas above show them to be fruits. The student can test this latter character easily by com- paring the sweet-chestnut (a nut) with the horse-chestnut Fig. 14. Chestnut, Castanea vesca. 1, flowering shoot; 2, vertical section through cluster of female flowers in their involucre; 3, transverse section of ovary ; 4, a male flower; 5, fruits in their involucre (Wo). (a seed), the prickly covering of the former being a cupule and each chestnut having its withered stigmas above, whereas in the horse-chestnut the prickly covering is the true pericarp. A still commoner form of the Nut-type is the Achene, which is normally a monocarpous, one-seeded, and usually w. iv. 2](https://iiif.wellcomecollection.org/image/b20996068_0029.jp2/full/800%2C/0/default.jpg)
