20 



(Enclosure). 



Tanner's Laboratory, 66, Stackpole Road, 



Bristol, March 17th 1893- 



Copy of Analysis of Canaigre root received from the Royal 

 Gardens, Kew. 



Tannin 37.48 



Organic matter 



.. 11.20 



Water 



... 12.07 



Ash 



... 0.20 



Woody fibre ... 



... 39.05 



100.00 



Remarks. Original moisture very considerable, as much as 

 55.85 per cent. Had to be dried to grind. The above analysis 

 taken iii this condition yet shows 12.07 per cent of water. 



The following extracts are taken from Bulletin No. 105 

 University of California Agricultural Experiment Station, and 

 are by Mr. E. W. Hilgard Director and Chemist: 



" The Canaigre is indigenous to southern California as far 

 north as the Kern Valley, so far as known ; it is more parti- 

 cularly at home, however, south of the Tehachipi mountains, in 

 the sandy lands of the San Fernando and San Bernardino plains : 

 also on the Gorgonio pass and on the border of the Colorado 

 desert generally ; also no doubt in the valleys of San Diego. 

 Outside of California it is apparently most abundant in Arizona, 

 and southern New Mexico, and in north western Texas ; it 

 reaches to Utah and the Indian Territory. Its abundant 

 occurrence in New Mexico led to the establishment of a factory 

 for preparing the tanning extract for shipment instead of the 

 root, and similar establishments were proposed for Arizona. 

 But it has quickly become apparent that the supply of the 

 wild plant would soon become exhausted, and that in order 

 to place the industry upon a permanent basis it would be 

 necessary to grow it as a regular crop. Now that the value of 

 the root for the tanning of fine leathers has been fully established, 

 and a market is assured, the only remaining question is that of 

 the best conditions for its cultivation, as to soil, climate, and 

 mode of culture to ensure profitable returns. 



As regards climate, it should be understood that in 

 California the plant starts its growth from the root with the 

 first rains, in October or November, reaches bloom about the end 

 of January, or first part of February, perfects its seed about 

 April, and dies down to the ground in May ; varying according 

 to the winter temperature, and the advent of spring warmth. 

 It is not therefore to be expected that it will make a normal 

 growth where the ground freezes in winter, although like some 



