Am.  Jour.  Pharm. 
July,  1900. 
Investigation  of  the  Tannins. 
337 
Part. 
Date  of 
Collection. 
Moisture. 
Ash  in 
Absolutely 
Dry  Bark. 
Tannin  in 
Absolutely 
Dry  Bark. 
Remarks. 
Bark  of  root  . 
June  23 
63-85 
5  '58 
3-59 
Col  net  d  at  Belmont,  Pa. 
,, 
July  9 
57 '44 
6-82 
7-98 
ti 
„ 
Aug.  16 
Sept.  16 
49  "30 
8-88 
6-8o 
6-66 
771 
Oct.  16 
41-91 
6-28 
3-56 
u 
Jan.  12,  '95 
976 
7-00 
3'J5 
Collected  at  St.  David's,  Pa. 
Bark  of  stem, 
July  9 
49' 23 
5'49 
11-03 
Collected  at  Belmont,  Pa. 
Aug.  16 
3070 
5'7° 
10-99 
Sept.  16 
8-28 
4-07 
4'47 
Oct.  16 
1 6*66 
5'72 
3'59 
Leaves   .  .  . 
June  2 
41-29 
3*62 
I3'83 
Collected  at  St.  David's,  Pa. 
... 
"  17 
5572 
4-20 
26-72 
fSt  David's.  Collected  in  even- 
"  18 
6i'75 
4-40 
27*06 
/Collected  in   morning  from 
\    same  bush  as  second  sample. 
"  ... 
"  18 
52 '30 
379 
28-61 
f  Collected  from  different  bush- 
|    es  at  St.  David's. 
tyM  >3  Si 
8-78 
5'8o 
20-39 
Received  from  Virginia. 
... 
July  13 
25'i8 
5 '44 
28*00 
/St.  David's.     Not  blooming 
\    this  year. 
"  ... 
"  13 
42-11 
5"i3 
26-60 
fSt.  David's.     Blooming  this 
\  year. 
"  ... 
" 
39 '29 
4-62 
40-52 
f  Fresh  leaves  from  North  Caro- 
\  lina. 
"  ... 
1308 
4-60 
40*15 
( Cured  leaves  from  North  Caro- 
(  lina. 
Aug.  16 
26*24 
6'02 
24-94 
(Belmont.    Pa.     Leaves  are 
(    changing  color. 
" 
Sept.  16 
772 
6-03 
24-27 
/Belmont,  Pa.   Leaves  have  all 
(    changed  color. 
Oct.  16 
37'7o 
7'o8 
28-89 
/Belmont,  Pa.    Leaves  have  all 
\    turned  deep  red. 
Flower   .  .  . 
July  23 
38-08 
6-52 
3°'36 
Collected  at  St.  David's. 
Berries   .  .  . 
"  *3 
35'46 
388 
i5'57 
/  Formed,  but  not  hairy.  Bel- 
X  mont. 
Aug.  16 
"'45 
2  62 
1389 
Collected  at  Belmont. 
Sept  16 
9'59 
3-03 
9-78 
Date  of  estimation  . 
Galls  of  Rhus  Glabra. — A  number  of  these  galls  were  found  on 
August  25,  1892,  in  the  vicinity  of  Wayne,  Pa.  A  sample  sent  to 
the  Department  of  Agriculture,  Division  of  Entomology,  at  Wash- 
ington, was  pronounced  by  Acting  Entomologist  L.  O.  Howard  as 
