- n European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage
- n slender threadlike roundworms living in the blood and tissues of vertebrates; transmitted as larvae by biting insects
- Thus far Government sanitary brigades have only sized up the enemya kind of filaria or threadworm, whose eggs are spread from victim to victim by gnats.
- It sucks a sleeper's blood, and with it some filaria larvae.
- Another type of filaria, mosquito-borne, is widely prevalent in the West Indies, causes elephantiasis, grotesque swelling of the arms, legs, buttocks, sexual organs.