Pennsylvania for Session i8gj~g8. 123 



announced her desire to present a chart of the maples pre- 

 pared by her. The chart was shown, and on motion it was 

 agreed that a vote of thanks be tendered Miss Lewis for her 

 gift, and that the secretary be requested to notify her of the 

 same, together with an acknowledgment of the appreciation 

 by the members of her devotion to the study of botany and 

 her success in interesting others in the study. 



A letter was read by the secretary announcing that press- 

 ure of duties would prevent him remaining as secretary and he 

 asked to be relieved by January i . It was moved, seconded 

 and agreed to that the secretary be relieved as requested, and 

 that the warmest thanks of the Society be accorded to Dr. 

 Kraemer for his earnest and eminently successful labors in its 

 behalf. 



On motion it was also carried that Dr. Macfarlane be made 

 secretary pro tern. 



Miss Amelia Smith read a paper on " The Structure and 

 Parasitism of Apliyllon uniflorum" an abstract of which has 

 since appeared. 



Mr. R. E. B. McKenney described " The Structure and Re- 

 lation of Crystal Cells in Sensitive Plants," an abstract of 

 which has since appeared. 



Dr. Harshberger drew attention to specimens of Badhamia 

 utricularis in streaming form on wood and on a slide under 

 the microscope. He also exhibited, on behalf of Dr. M. P. 

 Ravenel, some mice affected by the parasitic fungus Achorioti 

 Schoenlinii the presence of which had caused a considerable 

 mortality recently amongst mice in Pennsylvania, and even 

 amongst chickens and cats. 



Mrs. Sarah T. Rorer exhibited and described several fungoid 

 specimens. She specially compared the physiological action 

 on the human subject oi Amanita muscaria, and A. phalloides. 



