748 ARBORETUM AND FRUTICETUM. PART Ill 
shorter and broader than the bracteoles. Spontaneous 
in Dahuria, and introduced into Britain in 1824; and 
producing its yellow flowers in July. 
wx P. f. 3 tenuiloba Ser. P. fruticdsa 6 Nestl. Pot., 30. ; 
chm. Pot., 32. var. y; P. floribinda Ph. Fl. Amer. 
Sept. 1. p.355., Hort. Brit., No. 13578., Watson’s Dend. 
Brit., t.70.; P. tenuifdlia Schlectend. Berl. Mag., ac- 
cording to Lehm. Pot., 32.; and our fig. 469. — Sepals 
and lobes of the leaves narrow, and with a slight 
hoary silkiness. +A native of North America, found 
in bog meadows, and on the borders of lakes, in 
Canada, and on the mountains in the states of New 
York and New Jersey; where it 1s a low-growing 
shrub, not above 18in. high. It was also found by Pal- 
las in Siberia. 
s 2, P.cia‘sra Lodd. The glabrous Potentilla. 
Identification. Wodd. Bot. Cab., t. 914. ; Dec. Prod., 2. p. 584.; Don’s 
Mill., 2. p. 561. 
Synonyme. P. fruticdsa Alba Busch, according to Lodd. Bot. Cab. 
t. 914 
Engravings. Lodd. Bot. Cab., t. 914. ; and our fig. 470. 
Spec. Char.,§c. Frutescent. Branches pendulous, purple. Leaves pinnately 
cutinto 5entire lobes. Flowers terminal, white, of the size of those of the 
wood strawberry (Fragaria vésca). (Dec. Prod., ii. p. 584.) A beautiful little 
shrub, a native of Siberia; differing 
from P. fruticdsa in being perfectly 
smooth in all its parts, and in having 
pendulous branches and undulated 
leaves. It thrives best in a mixture of 
loam and peat, is of slow growth, and 
difficult to increase, except by seed. It 
was sent by M. Busch of St. Peters- 
burg, to Messrs. Loddiges, in 1822, 
and deserves a place in every general 
collection. 
« 3. P. Sateso‘viz Steph. Salesovius’s Potentilla. 
Identification. Steph., according to Willd. Enum., p. 552.; Nestl. Pot., 31.; Lehm. Pot., 35. t. 1. ; 
_ Dec.:Prod., 2. p. 583. 
Engraving. Lehm. Pot., 35. t. 1. 
Spec. Char., $c. Habit resembling that of Comarum palistre. Stem suffru- 
ticose. Leaves pinnately cut, coriaceous. Lobes oblong, acutely serrate, 
pubescent above upon the veins, whitely tomentose beneath. Stipules 
lanceolate, very acute, entire, rather filmy at the edge. Flowers large, 
white, upon short peduncles, and grouped. Sepals lanceolate, very acute, 
broad, almost as long as the petals, which are obovate. Bracteoles very 
narrow, smaller than the sepals. Receptacle lanuginose. (Dec. Prod., ii. 
p- 583.) A native of Siberia, introduced in 1823, and growing to the 
height of 1 ft. or 2 ft.; flowering in June and July. 


Sect. IV. Ro'srex Dec. 
Genus XI. 
lala NUL 
RO'SA Tourn. Tue Rose Trer. Lin. Syst. Icosandria Polygynia. 
Identification. 'Tourn. Inst., 1. p. 636. t. 408. ; Lin. Gen.,631.; Lam. IIL, t. 440.; Lindl. Ros. Mon. 
8vo, 1820; Pronville’s Nomen. Rais., 1818, Monog. Ros., 1824; Don’s Mill., 2. p. 564. 2 
Synonymes. Rhodéphora Neck. Elem. ; Rosier, Fr.; Rosenstock, Ger.; Roozeboom, Dutch; Rosajo, 
Ital. ; Rosal, Span. ; and Roseira, Portuguese. ‘ c 
Derivation. From rhos, red, Celtic; in reference to the colour of the flowers of most of the species. 
Description, §c. Shrubs, for the most part deciduous, with pinnate leaves, 
and large, showy, beautiful, and fragrant flowers. They are natives of Eu- 
rope, and of the temperate regions of Africa, Asia, and America, but not of 
