44 BULLETIN 1201, U. S. DEPARTMENT OF AGRICULTURE. 
Greshoff (31, p. 31), ([noting Watt, says " a poultice of the flowers 
is said to kill lice." 
Howard (44, P- 85) reports that chinaberry trees have been planted 
to serve as mosquito repellents, but that they are apparently useless. 
The writers' results are given on page 8. 
Mentha pulegium L. Menthaceae. Synonym: Pulegium vulgare Mill. Eu- 
ropean pennyroyal. Pennyroyal. Europe. 
Von Mueller (91, p. 308) reports that it serves as an insecticide. 
Mentha spicata L. Synonym: .1/. viridis L. Spearmint. Europe, naturalized 
in the United States. 
Riley (71, p. 186) says that an alcoholic extract had no effect on 
cotton caterpillars. 
Microsechium helleri (Peyr.) Cogn. Cucurbitaceae. Mexico. 
According to the Experiment Station Record (7) this plant is use- 
ful in destroying lice and underground insects. 
Millettia auriculata Baker. Fabaceae. Himalayan region. 
Greshoff (33, p. 69) says that the root is used as an insecticide. 
Moetoepoe or koetoepoe. (See footnote on page 20.) 
The writers' results are given on page 23. 
Monarda punctata L. Menthaceae. Spotted heehalm. Horsemint. East- 
ern United States. 
Riley (71, p. 185) says that an alcoholic extract from the leaves 
had no effect on cotton caterpillars. 
Myrica cerifera L. Myricaceae. Southern vvaxmyrtle. Maryland to Flor- 
ida, west to Texas. 
Porcher (68, p. 355) reports that : " The Welsh lay branches of it 
upon and under their beds to keep off fleas and moths." 
Alyristica fragrans Houtt. Myristicaceae. Common nutmeg. Molucca. 
Howard (43, p. 59), quoting Celli and Casagrandi, says that the 
odor of nutmeg will kill mosquitoes if the air is saturated. 
Necoetae. ( See footnote on page 2G. ) 
The writers' results are given on page 23. 
Nelnmbo lntea (Willd.) Pers. Nymphaeaceae. Synonym: Nelumbium luteum 
W'illd. American lotus. Eastern United States. 
Pammel (64, p. 108) says: "According to Schaffner it is said to be 
used to destroy cockroaches." 
Nerium oleander L. Apoctnaceae. Common oleander. Mediterranean re- 
gion. 
Greshoff (31, />. 105), quoting Schaer, reports that the bark is very 
frequently used for the destruction of rats and insects. 
The writers' results are given on page 23. 
