456 
according to the method outlined by Tschirch, and reproduced with 
the suggestion. — Geschafts-Ber. v. Caesar & Loretz, 1906, pp. 111-112. 
Mitlacher, Wilhelm, outlines a method for demonstrating the pres- 
ence of oxymethyl anthraquinones, in emodin containing drugs by 
microchemical means; sublimation. — Pharm. Prax., 1906, v. 5, pp. 
432-435. 
Gilson, E., (Rev. pharm. Grand, 1906, n. s., XXII, 289-304) dis- 
cusses the purgative principles of the Chinese rhubarb. (Reference 
from Index Med., 1906, p. 1312.) 
Evans, John, asserts that Gregory’s powder is frequently made 
with magnesium carbonate instead of oxide, the ash will then be con- 
siderably less than that of the official preparation, about 69 per cent. — 
Apothecary, Boston, 1906, v. 18, p. 908. 
Taylor, S., says that the Ph. Brit, sirup of rhubarb is not satisfac- 
tory; Greenish has devised an improved formula, but suggests fur- 
ther work, keeping in view the recent knowledge of the constituents 
of the drug. — Pharm. J., Bond., 1906, v. 23, p. 670. 
Sclieinert, R., suggests that the potassium carbonate, in the Ph. 
Germ, formula for sirup of rhubarb, might advantageously be sub- 
stituted by sodium carbonate. — Ber. d. pharm. Gesellsch., Berk, 1906, 
v. 16, p. 351. 
Caldwell, Paul, believes that the wine of rhubarb, X. F., is neither 
a popular nor an elegant preparation. He suggests the addition of 
4 grammes of potassium carbonate to each 1,000 cc. of the sirup. — 
Drug. Circ. & Clem. Gaz., X. Y., 1906, v. 50, p. 160. 
Pfatf and Xelson, experimenting on animals, found that the infu- 
sion of rhubarb produced peristalsis and caused defecation, which, 
however, was not diarrhceic, but the tincture proved ineffective. — J. 
Am. M. Ass., 1906, v. 47, p. 1820. 
RHUS GLABRA. 
Henkel, Alice, mentions Rhus glabra L., commonly called smooth 
sumac and scarlet sumac, as being found in dry soil, thickets, and 
waste places nearly throughout the United States and Canada. — Bui. 
Bur. Plant Ind., U. S. Dept. Agric., 1906, Xo. 89, p. 58. 
RUBUS. 
Henkel, Alice, mentions Rubus villosus Ait., otherwise known as 
rubus and one-flowered dewberry, as growing in sandy or dry soil 
near the coast from Maine to South Carolina. Also mentions Rubus 
cuneifolius Pursh., commonly known as rubus, sand-blackberry, and 
knee-high blackberry, as being found in sandy soil from Connecticut 
to Florida, west to Missouri and Louisiana. 
