1 63 BOTANICAL GAZETTE. 



leaf nearly open; tentacles with no secretion and appar- 

 ently dried. 



all the marginal and submarginal tentacles reflexedand those 

 of the disk, nearly so. No secretion, 



the leaf had assumed nearly its natural position and shape. 



all tentacles that were inflected are reflexing rapidly. 



all reflexed except the disk tentacles. 



completely expanded except disk tentacles on one side. 



some more reflex action. 



all expanded but one or two. 



completely reflexed ; leaf with high color; no secretion. 



leaf natural ; no secretion. 



leaf natural and with secretion. 



Experiment No. 3.— A smaller piece of living angle worm than 

 was placed near the center of the leaf at 2 p. m., June 4, 



no perceptible change. 



submarginal tentacles slightly inflected. 



submarginal tentacles somewhat more inflected. 



submarginal tentacles nearly all inflected and some touch- 

 ing the specimen ; marginal tentacles moving. 



some change in the marginal tentacles from the last. 



some of the submarginal tentacles touch the specimen ; mar- 

 ginal tentacles about the same as before. 



central tentacles still touching the specimen ; marginal tenta- 

 cles reflexing. 



submarginal and central tentacles still inflected and touch- 

 ing the specimen ; marginal tentacles all reflexed; sub- 

 stance on the leaf dried 



many of the submarginal tentacles are reflexed. 



a few of the submargnial and ali the central tentacles touch- 

 ing the specimen. 



about the same as the last, except that all the tentacles 

 already reflexed are dried. 



the whole leaf has assumed its natural position, except the 

 disk tentacles; no secretion. 



disk tentacles nearly reflexed. 



only a few disk tentacles at all inflected. 



completely expanded, except disk tentacles mentioned last. 



no further change except that the glands of the submarginal 

 tentacles are covered with a white mold. 



same as the last ; moid present also upon the marginal tenta- 

 cles, which is gray in color. 



leaf with some color ; no secretion; completely covered with 

 a thin net work of mold. 



leaf apparently dead ; color a dark-brown ; mold disap- 

 pearing. 



