Plants and their ways in South Africa . FiG. 169.—Samara of Combretum. ing a seed is a schizocarp. Some of the Malvacece have thisfruit. It is found in the fruit of the Geranium family, theEuphorbias, the UmbellifercBj LabiatcB, and others. Schizocarps are of various kinds. They may be two, three,or many parted. They may retain the seed or let it escape. Fruits 77 If a fruit remains closed or indehiscent it is usually oneseeded. It would be a disad-vantage to have many seeds ger-minating together. Fleshy fruitsrarely dehisce. Dehiscing fruits are calledpods or capsules. The bean,Port Jackson,

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Plants and their ways in South Africa . FiG. 169.—Samara of Combretum. ing a seed is a schizocarp. Some of the Malvacece have thisfruit. It is found in the fruit of the Geranium family, theEuphorbias, the UmbellifercBj LabiatcB, and others. Schizocarps are of various kinds. They may be two, three,or many parted. They may retain the seed or let it escape. Fruits 77 If a fruit remains closed or indehiscent it is usually oneseeded. It would be a disad-vantage to have many seeds ger-minating together. Fleshy fruitsrarely dehisce. Dehiscing fruits are calledpods or capsules. The bean,Port Jackson, and Erthrinahave a pod which has only onecarpel, and which splits alongboth edges. It is called alegume. Asdepias {Pachypodiuni) andCrassula have similarly formedfruits which split on one sideonly. Such a fruit is a follicle. The siliqua and silicula arefound in the Cruciferae or mus-tard family. They are made of two carpels joined by theiredges where the seeds are borne. A partition, or replum,. Fig. 170.—Quinquepartite schizo-carp of Geranium Robertianum,L. I. The immature pistil. mature fruit. (FromThom6and Bennetts Structural andPhysiological Botany .)

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1915