. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. ning tothe testa ; albumen none ; embryo curved,with foliaceous wTinkled cotyledons, and aninferior radicle. These plants differ from Soapworts in theirfruit ha\ing but 2 carpels, the petals neverbeing furnished with scales, and their oppo-site leaves. The distinction is howeverscarcely satisfactory, even when the wantof an aril is added. From Malpighiadstheir unsjinmetrical flowers, inferior radicle,glandless calyx and palmate-veined leaves,decidedly divide them. Europe, the t
. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. ning tothe testa ; albumen none ; embryo curved,with foliaceous wTinkled cotyledons, and aninferior radicle. These plants differ from Soapworts in theirfruit ha\ing but 2 carpels, the petals neverbeing furnished with scales, and their oppo-site leaves. The distinction is howeverscarcely satisfactory, even when the wantof an aril is added. From Malpighiadstheir unsjinmetrical flowers, inferior radicle,glandless calyx and palmate-veined leaves,decidedly divide them. Europe, the temperate parts of Asia, thenorth of India, and North America, are thestations of tliis Order, which is imknown inAfrica and the southern species are only kno^vn for the sugary sap of Acer sacchainnum and others, from which sugar is extracted in abundance, and for then* light useful timber. ^ It is said, however, that their juices become acrid as the season advances. The bark is astringent, and yields the dyer reddish brown and yellow coloms. GENERA. Acer, , , ,. Fig. CCLXX. Numbers. Gen. 3. Sp. —Petiveriaceae.—Acerace^.—Sapindacese. Fig. CCLXX.—1, Acer chcmainra.—Hooker. 2. flower of A. campestre, Gartner; 3. its samara;4. the same, with the seed laid barej 6. the embrjO unfolded. 388 MALPIGHIACEiE. [Hypogynous Exogens. Order CXXXIX. MALPIGHIACE^.—Malpighiads. Malpigliiacese, Juss. Gen. 252. (1789)Adrien de Jussieu, Monogr, (1843) Ann. Mus. 18. 479 ; DC. Prodr. 1. 577 ; Endl. Gen. ccxxviii.;Wight must. 1. 136.—Nitrariace2e, No. cxlix. (1830). Diagnosis.—Sajnndal Exogens, with complete, partially symmetrical flowers, an imbri-cated calyx, naJcecl stalTcecl petals, ovules hanging by cords, simple stigmas, andiisimlly a conrohcte or shrubs, often having a chmbmg habit. The leaves usually opposite or whorled, rarely alternate, simple, usually entire, generally stalked, and having gla
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