374. PYRETHRUM FLOWERS— Dalmatian. 



From these the Buhach of Mr. G. X. Milco, Stockton, Cal., aud the 

 Dalmatian insect powders ai-e made. Species, P. cineraricefolium. 



375. PYRETHRUM PO"WDER OF THE FLOWERS— Dalmatian, 

 P. cinerariopfolium or California Buhach Powder. 



This is blown or sifted on dry, also applied in water, 1 gal. to a table- 

 spoonful of the powder, well stirred and then sprayed. 



376. PYRETHRUM POWDER OF STEMS— Dalmatian. 

 Used like the preceding, but not so good. 



377. PYRETHRUM POWDER— Adulterated. 



This is sold quite extensively by the trade, and should be avoided as 

 being poor, often worthless. 



378. PYRETHRUM FLOWERS— Persian. 

 From these the Persian powder is derived. Species, P. ro.^eum. 



379. PYRETHRUM POWDER OF THE PLOW^ERS— Persian. 

 P. roseum, or Persian Insect Powder. Used as just stated above. 



380. PYRETHRUM POW^DER OF THE STEMS— Persian. 

 Used like the preceding, but not so good. 



381. SALT— Common. 



A strong solution is sometimes used as a spray, more often applied in 

 crystal to the ground as a preventive dressing. 



382 SALTPETRE. 

 Used the same. 



383. SOAP— Soft. 

 This is rubbed on the trunks of trees to protect from, or to kill, insects^ 



384. SOAP. COMMON— Bar. 

 Used the same as y«3 and as suds. 



