152 The Botanical Gazette. (Maret, 
rainfall. A recent writer in Forest Leaves (5: 51) describes 
the irregularity of growth very forcibly and gives tables sup- 
porting his statements. He says: ‘‘Having observed, in cut 
ting various timber trees, the irregularity of growth at different 
periods of tree life, and being interested in the striking coim- 
cidence of these irregularities with the occurrence of certail 
forest fires, an examination was made. On counting back 
interference with the regular healthy life of the tree, the 
result of forest fires occurring at these periods.” 
4. Ethno-botany is useful as suggesting new lines of mat 
ufacture at the present day. This is especially true of wovel — 
stuffs. Mr. F. H. Cushing has shown that by unraveling the 
woven frabrics a clue can be obtained as to the manner 
weaving. e has succeeded in imitating skilfully a large 
among the Indians of the southwest, especially the Kioway® 
for many years. It is to the use of the mescal button 
Kioways in their religious ceremonies that the white ™ 
owes his present knowledge of the drug. p43 
The Indians assemble in their council tents usually 0" wT 
