1843.) Proceedings of Section G, A. A. A. S. 333 
Dicotyledons. 
“POLYPETALA.” 
1. Thalamiflore. (Including the apetalous Curvembryee, 
Micrembryez, and ‘‘Ordines anomali” and the Euphor- 
biacee and Urticacee, etc., of the Unisexuales. ) 
2. Disciflore. (Including the apetalous Daphnales and the 
Juglandacee and Cupulifere, etc., of the Unisexuales. ) 
j. Calyciflore. (Including the apetalous Aristolochiacee and 
Cytinacez), 
GAMOPETALZ. 
1. Heteromerz. 2. Bicarpellate, 3. Inferz. 
University of Nebraska, Lincoln. 
- Proceedings of Section G, A. A. A. S., Madison meeting. 
The American Association for the Advancement of Science 
ht Madison, Wis., Thursday, August 17, 1893, and 
i. ‘Session until the succeeding Tuesday. The fol- 
© bang is an outline of the addresses, papers and dis- 
a os fore the section of botany, in the order in which 
| ‘re presented, - 
Th THURSDAY AFTERNOON, AUGUST 17. 
and hing of Vice-Pr esident C. E. Bessey upon Evolution 
“past panier was given before the Section of Botany at 
addr " oclock, occupying one hour. An abstract of 
“Sis printed in the preceding pages of this number. 
The Secti FRIDAY MORNING, AUGUST 18. 
‘on was called to order at 10:30 o'clock, Vice- 
in the chair, and B. T. Galloway as secre- 
*» With about forty persons present. The read- 
€gan at once. 
ATKINSON: Photography as an instrument for 
o> 
23 
5 
