Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . redand cured by alternately steaming and drying them, when theyacquire the dark-brown color and the odor of the commercial is cultivated in all tropical countries where the temperaturedoes not fall below 18° C, and the humidity is very great. Usuallyvanilla culture is combined with that of Cacao. The plants begin toyield fruits the third year and continue bearing for thirty or fortyyears. Mexi
Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . redand cured by alternately steaming and drying them, when theyacquire the dark-brown color and the odor of the commercial is cultivated in all tropical countries where the temperaturedoes not fall below 18° C, and the humidity is very great. Usuallyvanilla culture is combined with that of Cacao. The plants begin toyield fruits the third year and continue bearing for thirty or fortyyears. Mexican Vanilla.—Pods narrow, linear, about 20 cm. long, 7 diameter, 4 mm. thick; summit oblique, with a circular scar; VANILLA base curved or bent, with a slightly enlarged circular scar; externallyblackish-brown, longitudinally wrinkled, moist, glossy, sometimeswith acicular crystals or monoclinic prisms; pericarp about 1 ; internally dark brown, 1-locular, with numerous seeds em-bedded in a dark-colored pulp; seeds anatropous, ovoid, flattened, to mm. in diameter, black, finely reticulate, reserve layerswanting, embryo shrunken; odor and taste Fig 2 4 55.—Vanilla; 3,. transverse section of an unripe fruit showing lines of unionof the three carpels (a, b, c), line of dehiscence (D), placenta (t), seeds (S),fibrovascular bundle (g), papillae (P). 1, radial-longitudinal section of theouter part of the pericarp showing epidermis (E),smd parenchyma cells withoblique pores (v). 2, tangential-longitudinal section of the outer part ofthe pericarp showing cells with oblique pores (v) and spirally thickened bands(Sp). 4, inner layer of the pericarp showing the very long simple hairs orpapillae.—After Meyer. Bourbon Vanilla resembles the Mexican Vanilla, but is about two-thirds as long and the outer surface is usually covered with Structure,—See Fig. 55. 132 SCIENTIFIC AND APPLIED PHARMACOGNOSY Powder.—(Fig. 56.) Blackish-brown
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920
