0;30 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



Spec. Char., Sfc. Prickles of the branches crowded, unequal, 

 slender, reflexed ; of the branchlets, small and nearly equal. 

 Leaflets flat, glabrous, simply serrated. (Doits Mill.) An 

 erect shrub. North America and Siberia. Height 4 ft. to 

 6 ft. Introduced in 1780. Flowers pale yellow; May and 

 June. Fruit large, ovate, black. 



A very distinct variety, or probably species, well deserving 

 a place in botanical collections. 



^ 21. 7?. mvriaca'ntha Dec. The myriad-prickled Rose. j^^. .iutt6cen. 



Identification. Dec. Fl. Fr.. 4. p. 439. ; Don's Mill., 2. p. 562. 



Synoniimes. R. parvifolia Pall. Ros. 02. ? ; R. provincialis Bieb. Fl. Taur. 1. p. 3t)6. ? ; R. spino- 



sissima var. v mvriacantlia .SVj-.in Dec. Prod. 2. p. 608. 

 Ensravinss. Lindl. Ros., t. 10. ; and our^^. 571. 



la. 



Spec. Chnr., SfC. Prickles unequal, larger one.s dagger-formed. Leaflets glan. 

 dular, glabrous, orbicular. (Doit's Mill.) A diminutive sphiy shrub. Siber 

 Tanria, and also Dauphine, and near Montpelier. 

 Height 1 ft. to 2 ft. Flowers white ; JNIay and 

 June. Fruit dark ; ripe in September. 



Shoots simple and 

 erect, resembling, in 

 many respects, R. spi- 

 nosissima in a stunted 

 state. 



R, mvriacantha. 



57t. R. reversa. 



St 22. R. reve'rsa Waldst. et Kit. The reversed-pnc/t/erf Rose. 



Identification. Waldst. et Kit. Hung., 3. p.293. ; Don's Mill., 2. p. 569 

 Engravings. Waldst. et Kit. Hung., 3. t. 64. ; onr Jig. 57t. 



Spec. Char., 4rc. Prickles setaceous, nearly equal, reflexed. Leaves doubly ser- 

 nted, pubescent. Fruit hispid. (Don's Mill.) A large rambling shrub. 

 Hungary, on the mountains of Matra, in .stony places. Height 2 ft. to b ft. 

 Introduced in 1816. Flowers solitary, white, tinged with pink; June and 

 July. Fruit ovate, dark purple; ripe in September. 



D. Species Natives of Britain. 



23. R. 



spiNosi'ssiMA L. The most .spiny, 

 Scotch, Rose. 



|jp^ 



Identification. Lin. Fl. Suec, 442. ; Sp., 491.; Don's Mill., 2. p. .56S. 

 Engravings. Eug. Hot., 1. 187. ; Hayne Abbild., t. 37.; and our 

 fig. 573. 



Spec. Char., c^-c. Prickles unequal. Leaflets flat, ^^^ 

 glabrous, simply serrated. (Don's Mill.) A dwarf 

 compact bush, with creeping suckers. Flowers 

 small, solitary, white or blush-coloured. Fruit 

 ovate, or nearly round, black or dark purple. A 

 very spiny shrub. Europe ; plentiful in Britain. 

 Height 1 ft. to 2 ft. Flowers white or blush ; May 

 and June. Fruit purple or black ; rijie in Sept. 



Varieties. A great many varieties, cross-breds, and 

 hybrids have been raised of this rose, with flowers 



