. The natural history of plants. Botany. OHLASTBAOEJE. Euonymua europceus. and angustifolius have from two to five in each series, and they then become horizontal or nearly so, their raphes facing. In one species from Ceylon, which has constituted the genus Glyptopetalum,^ because the base of the four petals presents two more or less decided inden- tures, there is only one ascending ovule. In an Eastern Asiatic species, E. alatus, the ovary becomes more lobed with age; it has formed a genus Melanocarya ^. In another Indian species, with many-ovuled cells, K ffrandiflorus Wall., the petals are
. The natural history of plants. Botany. OHLASTBAOEJE. Euonymua europceus. and angustifolius have from two to five in each series, and they then become horizontal or nearly so, their raphes facing. In one species from Ceylon, which has constituted the genus Glyptopetalum,^ because the base of the four petals presents two more or less decided inden- tures, there is only one ascending ovule. In an Eastern Asiatic species, E. alatus, the ovary becomes more lobed with age; it has formed a genus Melanocarya ^. In another Indian species, with many-ovuled cells, K ffrandiflorus Wall., the petals are fimbriate and more or less prominently crested; hence, the generic name Lophopetalum.^ But these differences of detail seem to us too unimportant to justify the making of distinct genera, and we shall consider them only as sections of the genus Euonymus. Taken thus, it includes about forty-five species,* arborescent or fru- tesoent, sometimes scandescent. They inhabit chiefly the temperate regions of Europe, Asia, and North America, and are more rare, in the tropical parts and in Oceania. The branches are rounded or oftener tetragonal, leaves opposite, petiolate, entire or serrate, persistent, with two small caducous stipules. The flowers are axillary, in cymes, often compound, generally biparous, often few-flowered and sometimes reduced to a single flower. PachysUma, a small shrub of the western mountains of North America, has almost all the characteristics of Euonymus: leaves opposite, entire or oftener serrate; flowers 4-merous and 4-androus. But its ovary has only two incomplete and biovulate cells. The ovules are ascending, and the fruit an oblong capsule, dehiscing Kg. 6. Fruit. Euonymus europieiia. Fig. 7. Seed enveloped ia aril (f). Catha ' Thw. Sook, Eew Journ. riii. 267, t. 7B; JSnmi. Pi. Zeyl. 73.—B. H. Gen. 361.—Hook. Fl. Ind. i. 612. 2 TuRcz. Bull. Mosc. (1868), i. 453. ' WiSHT, Ann. Nat. Biat. iii. 151; Icon. t. 162.—Endl. Gen. u. 5675.—B. H. Qen. 3
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1871
