Scientific and applied pharmacognosy : intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for fook and drug analysts and pharmacologists / by Henry Kraemer ... Illustrated with over 300 plates comprising about 1000 figures.

  • Kraemer, Henry, 1868-1924.
Date:
1920
Catalogue details

Licence: In copyright

Credit: Scientific and applied pharmacognosy : intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for fook and drug analysts and pharmacologists / by Henry Kraemer ... Illustrated with over 300 plates comprising about 1000 figures. Source: Wellcome Collection.

    123/786 (page 87)
    indigenous to Africa and India and naturalized in the West Indies. There are three principal commercial varieties of aloes: (1) Socotrine (and Zanzibar) Aloes, derived from Aloe Perryi, and probably other species of Aloe, growing on the island of Socotra and in Eastern Africa, and exported by way of Bombay; (2) Curasao (and Bar- badoes) Aloes, obtained from Aloe chinensis and Aloe vera, growing in Curagao and other islands of the Dutch West Indies; and (3) Cape and Uganda Aloes, obtained probably from Aloe ferox, growing in Southern Africa, and exported from Cape Town and Mossel Bay. The leaves of the Aloe plant are cut transversely and the juice which Fig. 33.—A small clump of plants of Aloe Perryi growing in Minas Geraes, Brazil. The spinose, fleshy leaves are clustered at the base and from the middle of the cluster arises a scape terminated by a raceme of orange-red or scarlet flowers. The plant is native to the island of Socotra and the southern shores of the Red Sea, and is the source of Socotrine aloes. The latter is chiefly produced on the island of Socotra and consists of the inspissated juice of the leaves.—Reproduced by permission of the Philadelphia Com- mercial Museum. exudes is allowed to evaporate spontaneously, it being usually, however, concentrated by boiling and then poured into boxes (Fig. 34) or gourds, and occasionally it is found in commerce enclosed in monkey-skins (Fig. 35). Socotrine aloes commands the highest