58 



The plant is accordingly believed to represent the resting con- 

 dition of some Cladophora which at some other season or under 

 other conditions might be found to branch more freely and 

 perhaps present a very different appearance. So far as may be 

 judged from the material at hand the plant is allied to the almost 

 branchless Cladophora insignis Kutz. and C. setiformis Kutz. 



Prof. T. E. Hazen then gave informally some "Notes on 

 Uronema.'" The results of his studies on a species of this genus 

 will be published in one of the Club's periodicals. 



Meeting adjourned. 



B. O. Dodge, 



Secretary. 



December 8, 1914 



The meeting of December 8, 1914, was held at the American 

 ]\Iuseum of Natural History at 8:15 P.M. President Harper 

 presided. Twenty-five persons were present. 



The lecture of the evening was given by Dr. John H. Barnhart 

 on "Carnivorous Plants." The speaker classified carnivorous 

 plants under two main types. In the first type the food-animals 

 are captured in a cage-like trap, which may have originated in 

 some structure such as the enlarged leaf -bases of Till-andsia. 

 This type was illustrated by the buds of Bartsia, the scales of 

 Lathraea, the "bladders" of Utricularia and Genlisea, and the 

 highly specialized "pitchers" of Cephalotus, Heliamphora, Sar- 

 racenia, Chrysamphora, and Nepenthes. The other type may be 

 compared to a snare in its adaptation to the capture of animal 

 food; it originated, possibly, in a merely viscid-glandular surface 

 such as occurs in some species of Silene, Saxifraga, Roridida, and 

 many other plants; is more strikingly developed in Pinguicula, 

 Byblis, Drosophyllum, and Drosera; and culminates in the mar- 

 vellous spring-traps of Aldrovanda and Dionaea. 



The lecture was illustrated with lantern slides, and was followed 

 by a discusssion. 



Meeting adjourned. 



B. O. Dodge, 



Secretary. 



