Rosaceae. 53 



PRU'NUS PA'DUS (58). Bird Cherry. 5—6. Flowers in a pendulous 

 (412) raceme, leaves elliptical or obovate doubly serrate, fi^oods. 



PRU'NUS CERA'SUS (90). Wild Cherry. 5—6. Flowers in almost 

 {411, 412) sessile umbels, leaves elliptical or obovate irregularly serrate. 

 IVoods. 

 Prunus Armeniaca (Apricot) and Prumis domestica (Plum) are common 

 in cultivation, 



\\.—RUBUS. 



Calyx 5-cleft, petals 5, fruit of succulent drupes on an elevated receptacle 

 Stem herbaceous, 249 

 Stem shrubby, 250 



249 Stem erect, flowers solitary, . . . R. Chamsemorus. 



249 Stem prostrate, flowers corymbose, . . R. saxatilis. 



250 Stem with suckers, R. Idaeus. 



250 Stem without suckers, 251 



251 Leaves green beneath, 252 



251 Leaves white and downy beneath, . . R. corylifolius. 



252 Stem glaucous, fruit with bluish bloom, . . . . R. caesius. 



252 Stem not glaucous, fruit black, ..... R. fruticosus. 



Many other species of Rubus have been distinguished, mostly resembling 

 R. fruticosus and R. cor>'lifolius, for the characters of whi'ch larger works 

 must be consulted. 



Ru'bus Chamssmo'rus (35). Cloud-berry. 6 — 7. Stem erect, leaves 

 (476) simple lobed senate, flowers large white solitary terminal. 



[G. {Ryeloaf, Ingleborough, North side Fenny ghent.) 



RU'BUS SAXAT'ILIS (61). Stone-Bramble. 6—8. Stem prostrate, 

 (475) flowering shoots erect, leaves ternale, flowers small in terminal 

 cor}'mbs, fruit of few red drupes. Stotiy banks. 



RU'BUS IDiE'US (105). Raspberry. 6—8. Stem prickly, leaves 



(416) pinnate with 3 or 5 ovate leaflets white beneath, flowers drooping, 



fruit scarlet separating easily from the conical white receptacle. Woods. 



RU'BUS FRUTICO'SUS. Common Bramble. 7—8. Stem angular 

 (417- prickly, prickles confined to the angles of the stem, leaves ternate or 

 419, pinnate with close white down beneath, flowers in terminal panicles, 

 etc.) fruit black. Hedges. 



RU'BUS C^'SIUS (68). Dewberry. 6—8. Stem prostrate glaucous, 

 (474) leaflets green on both surfaces, drupes few large glaucous. Hedges 

 and thickets. V ig. p. 59. 



