172 TRANSACTIONS OF THE [jUNE 6, 



No. 4. Same as above ; use 



Querciti'on ..... 8.0 gms. 



Yellow.— ^o. 5 (10200) (single bath). 



A],(S0J3 0.4 gm. 



H.C^O, 0.2 " 



Quercitron . . . . .2.0 gms. 



Dye for 1-1^ hours at 80°-100° C. 



No. 6 (10201). 



Mordant 1-1^ hours with 0.8 gm. A1^(S0J3, wash, and dye in 

 separate bath ^-| hour at 80°-90° C, 4.0 gms. Bark. 



No. 1 (10202). 



CuSO, 0.6 gm. 



Mordant, wash, and dye in separate bath of 



Quercitron 4.0 gms. 



for i^l hour at 80°-90° C. 



Quercitron Spirits. — No. 10203. 



Quercitron Bark . . . .1.00 gm. 



Tartar 0.5 " 



SnCl, 0.15 " 



(Same as Lac scarlet.) 



Boil 20 minutes, cool down, enter wool, and boil 1 hour. 



The bark was put in a bleeding bag and soaked over night. 



Sumach. 



No. 1. Reddiah-hrown.—^o. 10188. 



K.Cr.Oy 0.3 gm. 



Mordant 1-1^ hours, wash, and dye in separate bath. 



Sumach 4.0 gms. 



Avoid too high heat and add glue solution. 



Yellow.— 1^0 2 (10189). 



SnCl., 0.8 gm. 



H,C,0, 0.4 " 



Mordant i-| hour and take out wool ; add 4 gms. Sumach, boil 

 10 minutes, re-enter wool, and boil |-1 hour. 



No. 3 (10190). 



A1,(S0J3 0.8 gm. 



Mordant 1-1-| hours, wash, and dye in separate bath of 



Sumach . . . ' . . .4.0 cms. 

 1-1 hour at 80°-90° C. 



