PLATES. 



Place on Hydractinia 



Plates I. and II. Hydractinia polyclina. 



Bartlett on Arenga 



Plate III. a. Arenga saccharifera Labill. 

 Interior of a sugar grove. 

 Base of a iagot showing the ladder, made by lashing notched poles 



together with rattan. 

 The hive-shaped clay furnace over which the juice is boiled down in 



a large iron pan. 

 Smoking bamboo containers over a small furnace. 

 The process of smoking containers over small, individual conical 



furnaces made out of sheet iron. 

 Pouring the melted sugar from the balanga into the mold. 

 Packages of sugar ready for market. 



Typical seeds of Gradus Peas. 

 Gradus Rabbit-Ear rogue seed. 

 Upper part of mature type plant of Gradus. 

 Upper part of mature Rabbit-Ear rogue of Gradus. 

 Seedling of typical Gradus, three weeks old. 

 Seedling of Gradus Rabbit-Ear rogue^ three weeks old. 

 b, c. These figures are Type-like intermediate, and rogue-like seed- 



liiijrs rcsiKM'tively from the Fi freneration of the cross Gradus 



Type and Gradus Rabbit-Ear Rogue. 

 Young plant of Gradus about five weeks old. 

 Young plant of Gradus Rabbit-Ear rogue of the same age as plant 



in Plate XI. 



XIII. Young plant of cross Gradus Type X Gradus Rabbit-Ear rogue in the 



Pi generation. 



Coons on Plant Diseases 



XIV. Phenol Injury to Apple. 



XV. Effect of hot winds upon apple. 



