RHODOTYPOS RHUS 



389 



half as much wide ; upper surface dark green and soon becoming smooth, 

 under-surface paler and hairy, prominently parallel-ribbed, the margins 

 deeply, irregularly, and sharply toothed. Flowers solitary at the end 

 of short twigs, ij to 2 ins. across, pure white; petals four, rounded, with 

 a short claw ; calyx four-lobed, the lobes leaflike, hairy, toothed, persisting 

 until the fruit is ripe. Fruits about the size of small peas, shining, black, 

 clustered above the calyx. 



Native of China, and perhaps Japan; introduced in 1866. Nearly 

 allied to Kerria, and often called " Kerria japonica alba " in gardens, 

 this is easily distinguished by its opposite leaves, four petals, and white 



RHODOTYPOS KERRIOIDBS. 



flowers. It is a very hardy plant, and quite easily propagated by cuttings 

 made of moderately soft wood and placed in brisk bottom heat. Its 

 flowers are at their best in May and June, but they continue to expand 

 up to the end of July. The generic name refers to the rose-like flowers. 

 This is the only species known. 



RHUS. SUMACH. ANACARDIACE^:. 



A large genus of shrubs, small trees, or climbers, with simple, ternate, 

 or pinnate leaves, found in most temperate regions of the globe, and 

 occasionally in the tropics. About a dozen species are grown in the 



