|others, but difference in
| | |flower colouring is the
| | |chief reason for
| | |distinctive names. Not
| | |hardy except in a few very
| | |favoured spots, chiefly
| | |Cornwall and south-west
| | |generally. Must be grown
| | |under glass, and requires
| | |a big house. Many beautiful
| | |trees in the Temperate
| | |House at Kew.
| | |
R. barbatum |Sikkim |Bell- |This is a tree 40 feet to
| |shaped, |60 feet high in its native
| |blood-red,|country. It is hardier than
| |1-1/2 |R. arboreum.
| |inches |
| |across |
| | |
R. californicum |California |Rose- |This is a strong-growing
| |purple, |Californian species, the
| |upper |leaves dark-green; fairly
| |petal |hardy.
| |spotted |
| |with |
| |greenish |
| |yellow; |
| |broadly |
| |campanu- |
| |late, |
| |almost |
| |without a |
| |tube. Good|
| |sized |
| |umbels; |
| |June |
| | |
R. campanulatum |Himalaya |Lilac, |This is a beautiful
| |with |species, about 4 feet high.
| |purplish |We have seen it