202 GARDEN FLOWLi'.S. 



H. Canadensis (Canadian) ; hardy perennial ; 6 inches ; flow- 

 ers greenish, in May ; North America ; 1759. 



Hydropkltis. [Cabombacese.] A very pretty hardy 

 aquatic, useful for the sdges of ponds. Propagated by di- 

 vision. 



H. purpurea (purple) ; hardy aquatic perennial ; flowers dull- 

 purple, in July ; North America ; 1798. 



Now called Brasenia peltata. 



Hydrophyllum. [Hydrophyllaceae.] Hardy herbaceous 

 perennials, of easy culture in moist peaty loam. Increased 

 by division. 



H. appendiculatum (appendaged) ; hardy perennial ; 9 inches ; 

 flowers blue, in May; North America; 1812. H. Canadense 

 (Canadian) ; hardy perennial ; 9 inches ; flowers white, in May ; 

 North America ; 1759. H. Virgim'cU7u (VirgmisLn) ; hardy per- 

 ennial ; 9 inches ; flowers blue, in June ; North America ; 1739. 



Hymenoxys. [Compositae.] A simple dwarf yellow- 

 flowered annual. Common soil. Increased by seeds. 



If. Californica (Californian) ; hardy annual ; 6 inches ; flow- 

 ers yellow, in June ; California ; 1838. 



Hyoscyamus. Henba7ie. [Solanaceae.] Annuals ano 

 sub-shrubby plants, not very showy. Common light dry 

 soil. Increased by seeds. 



H. Cainerarii (Camerarus's) ; hardy annual ; i foot ; flowers 

 yellow and purple, in July ; south of Europe. H. Canarie7isis 

 (Canary) ; half-hardy evergreen sub-shrub ; 2 feet ; flowers yel- 

 low and brown, in September; Canaries; 1816. H. niger 

 (black) ; hardy annual ; i foot ; flowers yellow, with purple 

 veins, in July ; Europe. 



Hypecoum. [Fumariaceas.] Hardy annuals, increased 

 by seeds sown in the open border in May. 



H. erectum (erect) ; hardy annual ; 6 inches ; flowers yellow, 

 uijuly; Siberia; 1759. H, pendulum Cpendulous^ : hardy an- 



