. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . schalen einiger Ztg. 1876, 34, 737. Fischer: Ueber das Sicbrohren System dcr Cucurbitaceen. Leipzig, 1884. Godfrin: Etude histologique sur les tegument seminaux des Angiospermcs. Sci. d. Nancy, 1880, 109. Hartwich: Semen Cucurbits. Arch, pharm. 1885. V. Hohxel: Morpholog. Untersuchungungen iiber die Samenschale der Cucurbi-taceen. Sitzungsber. Wiener Akad. 1876, 73. Kosutany: Die Kurbiskernkuchen. Landw. 1893, 43, 264. PUMPKIN. Wittm
. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . schalen einiger Ztg. 1876, 34, 737. Fischer: Ueber das Sicbrohren System dcr Cucurbitaceen. Leipzig, 1884. Godfrin: Etude histologique sur les tegument seminaux des Angiospermcs. Sci. d. Nancy, 1880, 109. Hartwich: Semen Cucurbits. Arch, pharm. 1885. V. Hohxel: Morpholog. Untersuchungungen iiber die Samenschale der Cucurbi-taceen. Sitzungsber. Wiener Akad. 1876, 73. Kosutany: Die Kurbiskernkuchen. Landw. 1893, 43, 264. PUMPKIN. Wittmack, in his investigation of prehistoric remains in Peru, hassecured evidence that the pumpkin {Cucurbita Pepo L.) is an .Americanplant and not, as formerly believed, a native of the Old World. Thisbelief is further substantiated by the statements of early explorers thatthe pumpkin was grown in maize fields by the aborigines just as ispracticed to-day by American farmers. The pumpkin is the largest of all cultivated fruits, in extreme casesreaching the prodigious weight of nearly 100 kilos. It is apple-shaped, — --am. Fig. io&a. 1 uinpun. C ru^r. . tionof mesoiarp showing iim starchFig. 308. Vumpkm {Cticiirhila Pepo). Epicarp in grains, and/uMatcx lube. Xio. surface view. X300. (BARBER.) (Barber.) smooth, and of an orange or green-orange color. The fleshy rind, con-sisting of receptacle and pericarp, is several centimeters thick, antl ishighly esteemed in America for making pies as well as for feeding. Abt)utthe seeds is a tangle of gelatinous, mesocarp fibers, such as occur inthe melon and some other cucurbitaceous plants. Pumpkin seeds cm. long, elliptical, strongly flattened, and have a narrowborder on both sides. The embr>o consists of two flattened cotyle-dons and a minute radicle. PUMPKIN. 399 HISTOLOGY. Receptacle and Pericarp, i. The Epicarp Cells (Fig. 308) are pris-matic, forming a palisade layer upward of 50 [x thick. In surface view
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