. The essentials of botany. Botany. GROSS ANATOMY OF FLOWERING PLANTS. XXXVU * Examples of dimorphous flowers are common in many genera of plants; , in Bluets (Houstonia), Partridge Berry (Mitchella), Primrose (Primula), Puccoon (Lithospermum), Buckwheat (Pago- pyrum), etc. etc. (Pigs. XXXVI and XXXVII). When, as in some species of Oxalis, there are three forms, viz., long-, mid-, and short-styled, the term trimorphous (or better heterogonous trimorphous) is used (Pig. XXXVIII). § 6. The Fruit. Structure.—The -fruit may include (1) only the ripened ovary (pericarp) with its contained seeds
. The essentials of botany. Botany. GROSS ANATOMY OF FLOWERING PLANTS. XXXVU * Examples of dimorphous flowers are common in many genera of plants; , in Bluets (Houstonia), Partridge Berry (Mitchella), Primrose (Primula), Puccoon (Lithospermum), Buckwheat (Pago- pyrum), etc. etc. (Pigs. XXXVI and XXXVII). When, as in some species of Oxalis, there are three forms, viz., long-, mid-, and short-styled, the term trimorphous (or better heterogonous trimorphous) is used (Pig. XXXVIII). § 6. The Fruit. Structure.—The -fruit may include (1) only the ripened ovary (pericarp) with its contained seeds—, the bean; or (3) these with an adnate calyx or receptacle—, the Fio. XXXIX.—Capsulary fruits: 1, legume; 2, capsule, showing loeulicidal dehiscence; 3, pyxis, showing oircumcissile dehiscence; 4, silique. During the ripening, changes in structure may take place, as (1) the growth of wings or prickles; (3) the thickening of the walls. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bessey, Charles E. (Charles Edwin), 1845-1915. New York : H. Holt and company, ;
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