BOTANICAL NAMES 117 



also a strong- disagreeable smell. The first is dis- 

 tinguished as White, the second as Black Hore- 



hound. 

 Horridus (hor-rid-us). L. adj., " rough or prickly." 



Second bot. name. 

 Hornbeam. Eng. name for Carpinus group (which 



see). 

 Horned Pondweed. Eng. name for Zannichellia group ; 



called " horned " because of the look of the fruit, 



and to distinguish these plants from the common 



Pondweed. 

 Hornwort. Eng. translation of its bot. name Cerato- 



. phyllum (which see). 

 Horsetail. Common Eng. name for plants of Equise- 



tum group. 

 Hortensis (hor-ten-sis). L. " Hortus " (a garden); 



i.e., belonging to the garden. A second bot. name. 

 Hottonia. After Hotton, botanist, died 1709. Bot. 



name of group. 

 Hounds' Tongue. Eng. translation of bot. name Cyno>- 



glossum group. 

 House Leek. Eng. name for Sempervivum group; and 



so called because the plant is often found growing 



on the roof of houses. 

 Humilis (hu-mil-is). L. adj., " on the ground." A 



second bot. name. 

 Humulus (hu-mul-us). L. " Humus " (ground or 



mould). Bot. name for Hop group. 

 Huma-fusa (hu-ma-fu-sa). L. "Humus" (ground); 



" fusa " (spread). A second bot. name for some 



plants that spread over the ground. 

 Hutchinsia. After Miss Hutchins, an Irish botanist, 



