66 



JOURNAL OF THE 



[October, 



for they are twisted, flattened and collapsed, until there appears 

 to be nothing remaining excepting the thin cellular walls. 



The thickly felted surface of the fruit affords an excellent 

 trap for entangling particles flouting in the atmosphere. Occas- 

 ionally lepidopterous scales, and delicate scales of other orders 



i.x 75. 5.X150. e.yaso. 2, X75 



HAIRS OF THE PEACH. 



Fig. 1.— Two Hairs ; one, of the greatest observed length, showing 

 bubbles in the lower portion of the central cavity ; the other 

 of the least length. " ■ 



Fig. 2.— An exhausted Hair ; dried, flattened, and twisted. 



Fig. 3. — Lepidopterous scales. 



Fig. 4. — A pollen grain. 



Fig. 5.— A spore, and fungoid growth upon the surface of a Hair. 



Fig. 6. — Two spores upon, and nucleated fungoid growth within 

 an exhausted Hair. 



of insects will be observed clinging to the hairs. Very fre- 

 quently pollen-grains will be found, especially those of the most 

 common Rag-weed {Ambrosia artemissicefolia, L.) Various 

 minute particles of inorganic matter of all colors abound. And 



