S dé history | is piel. as Pillows :—Tt is sid to. have been used in : 
tanning by the Mexicans for over two centuries. Our first information, ^, - 
y T da ye from July 9, I. Mere a den of these gross was M 
i; 32. F cent. of tannin. This sample was mislaid or overlooked until 
1878, when it was reported on by the chemist.* It was then found s 
3 yield 23-45 per cent. of tannin. A fresh sample was also procured, a 
the tannin estimated in the still fresh root with almost hatud realty 
: The other 
aite ist 
‘amehitients reported at that time need not claim our attention st 
aes further than to notice a considerable amount of starch, 18°00 
T ee cent. d 
- Previous to this publication by the Shenton Mr. Rudoiph.. a 
‘Veeleker, s Galveston, “ay publishedf an analysis of roots gathered ; 
in July 1874. He fou d 23-16 per cent. tannin, and proved the | 
ly He 
mt of .erysophanie ded and aporetin. He was not aware of the 
nieal origin es the plant, but supposed it to belong to the natural 
: oder Rem 
9, Mr. William Saunders] in his report on Cididgts stated it 
We dc dcos Met of Torrey, and furnished a lithographic 
plate. of the plant in b 
— At the New. ais: CRM 1885-86, in one corner of the section 
devoted to products from New aen were some of these roots, above 
hich was the inscription, “ a new t g material.” 
own later, this. exhibit, “Insignificant as it appeared, 
attracted the attention - at least one person 
Tne 1886,§ a a reot sent € me from San deitdule, Texas, 
‘tinder the name e of “In dian te pen ne and the results pa ab 
BOR, Howey ected ai | 
ore 115. He suggested, and it has since been found to be 
correct. "d that this Sea del ase was the Canaigre root, That 
: m the l the amount of en t 11°66 per cent., but it was found 
M. the o Tool, vim was not ana lysed as soon as aah chy had epu * 
= E : Mr. E C. Deniz of that city has devoted much tha | 
5! and ys f 
i rt of the Copdeldjieier of Agriculture,’ 187 8, | 
pie f Raiz Journal of PI A^ 
i? M HAS is o del Indio, American Jou of Pharmacy 186, p p 49. ^ 
the Commissioner of of Agriculture, 1879, 
pe Analysis of WU ee: ARUM id y f Pres E 86, 
