Table 3.
1. | Inner periclinal walls of epidermal seed coat cells with perforations smaller in diameter than the thickness of the walls that separate them; a small central mammilla sometimes present on cells | Subtype IIA |
1′. | Inner periclinal walls of epidermal seed coat cells with perforations similar in diameter or superior to the thickness of the walls that separate them; small central mammilla absent on cells | 2 |
2. | Inner periclinal walls of epidermal seed coat cells with perforations similar in diameter to the thickness of the walls that separate them | Subtype IIB |
2′. | Inner periclinal walls of epidermal seed coat cells with perforations larger in diameter than the thickness of the walls that separate them | Subtype IIC |