196 Kayisas Academy of Science. 



In table I is given an analysis for the ash, and the amount of 

 barium and manganese found. 



Table I. 



Per cent ash. Per cent Ba., as Per cent Mn. 

 No. Common name. Ave.'. BaS04. inash. in ash. 



3790 Goldenrod 2 97 None. .34 



3791 Agrimony 2.55 .25-. 27 .1137 



3792 Mare's tail 4.05 None. .122 



3793 Croton weed 4.70 Trace. .122 



3794 Aplopappus ciliatus 14.84 .44 .044 



3795 Sambucus (Moss) 1.69 .45 .128 



3799 Ragweed 4.36 .18 .16 



3800 Horseweed 7 55 None. .079 



3850 Ironweed 4 08 None. .083 



3851 Baptisia 2 31 None. .096 



3852 Osage orange 9.96 None. .032 



3853 Yellow dock 2 76 None. .019 



3854 Wild lettuce 2.77 None. .075 



3730 Oxytropis lamberti (Pursh) 15.89 .27 .091 



3878 Sambucus (local) 1 . 36 .23 Undetermined. 



3880 Equisetum hyemal (horse 



tail) 6.01 None. .058 



The soil of the Moss pasture was also examined, using the hy- 

 drochloric acid extract. In one sample no barium was obtained, and 

 in another a trace, A little manganese was found to be present. 

 The water of the small stream running through the pasture was 

 also examined and found to contain no barium, but 0.0042 gms. per 

 liter of manganese. 



An examination was also made (table II) to determine the 

 amount of insoluble residue (iron, alumina and phosphoric acid, 

 calcium oxide and magnesium oxide) in the ash. 



TABLE II. 



Per cent iPer cent Per cent Per cent 



^°- insoluble residue. FeiOj+AUOa + PjOs. CaO. MgO. 



3790 7.13 15.32 9 70 2 78 



3791 23 65 22.77 17 15 2.11 



3792 4 67 18.88 20 29 4.92 



3793 26 34 4.30 45 95 6.26 



3794 10 64 23.33 18.46 5.22 



3795 3 36 14.37 2199 6 20 



3799 4 56 18 94 20 27 6.49 



3800 3.41 22.20 17 65 3.48 



3850 8 08 18 91 30 34 4.69 



3851 1.96 19 65 4100 5.53 



3852 9 73 8 37 46.79 6 07 



3853 15 71 9 14 6 75 6 67 



3854 14.31 9 77 14.70 6 76 



37(0 65.22 13 11 13 02 1 85 



3878 3.11 27.72 24 02 5 66 



3880 65.97 6.25 12 37 15 



3865 63.08 6.51 8 63 3.66 



3855 (soil) 73.31 13.21 .44 .70 



3798 (water)*.. .0299 *.0183 M392 *.0456 



• Grams per liter. 



