34 BULLKTIX 1201, X T . S. DEPARTMENT OF AGRICULTURE. 
Cleistanthus colli nus (Ko.\l>.) Benth. & Hook. Euphobbiaceae. Easl Indies. 
Greshoff (31, p. HI), quoting Biscoe in Indian Forester, says: 
"The bark must contain some poison property, for not only do 
white ants leave it severely alone, but it is used here for poisoning 
fish. The inner bark placed on sores of sheep and goats is efficacious 
in healing them and in destroying maggots." 
Clibadium surinamense L, Asteraceae. Tropical America. 
The writers' results are given on page 22. 
Contain maciilatum L. Ai-i.u i:ak. Poison-hemlock. Europe. 
(Jomilevsky (28) reports that the infusion of flowers, leaves, and 
si ems is effective against various insects. 
Cook and Hutchison (18, p. 4) found the powdered fruit ineffective 
against fly larva?. 
Cracca villosa purpurea (L.) Kuntze. Fabaceae. Synonyms: (\ piscatoria 
Lyons, Oalega purpurea L., (;. piscatoria Ait., Tephrosia piscatoria Pers., V. 
purpurea Pers. Pacific fish-poison. Old World. 
Lyons (53, p. 1^5) says: " Fish poison, Auhuhu, Hola (Hawaii). 
Tropica] regions generally. Plant has narcotic properties: used 
medicinally in India and to stupefy fish in islands of Pacific." 
The writers' results are given on page '1-1. 
Cracca sp. Fabaceae. Synonym: Tephrosia. Warm and tropical regions. 
Roark (75, p. 35) says: " U. S. Patent 1242954. A compound for 
use as an insecticide and sheep dip is formed from sulphur soap and 
comminuted Tephrosia (Cracca) plants, seeds, or leaves. U. S. 
1242955 specifies, for the same purpose, a benzine extract of Tephro- 
sia (Cracca) 0.5 to 1, soap 4, and dilute alcohol 15 parts." 
Croton eluteria (L.) Swart/. EUPHOBBIACEAE. Cascarilla. Bahama!. 
Howard (1^, p. 30) reports that cascarilla bark, used as a fumi- 
gant in Bermuda, is a mosquito repellent. 
Croton Havens L. West Indies and northern South America. 
Thorns (90) says that this is reported to be an insecticide in 
Venezuela, but he found it to have no effect on roaches, flies or gnats. 
Croton texensis (Klotzschj Muell. Arg., C. glandulosus L., C. capitatus 
Mi< hx., and C. nionanthogynus Michx. Croton weed. 
"Riley (71, p. 180) reports that decoctions from the leaves and blos- 
soms of these species had no effect on cotton caterpillars. 
" Cube " " (pronounced koo'-baj), cuyi or cume. Local names in Peru. Peru. 
The writers' results are given on pages 6, 10 to 20. 
B The name "cube" is applied, in all tropical America, to several plain.-- belonging to 
dist in. i genera, whirl) are used as tish poisons. Amonj, r them arc species of Jacqninla, 
and several plants belonging to the family Sapindaceae. The identity of the "cube ' here 
referred to is ool certain, it will be necessary to receive botanical specimens of the 
plant before it can he determined. — \V. E. Safford. 
