XXVIL ROSA'CEZ! COWA'NIA, 321 
Genus XI. 
\ 
COWA‘NIA D. Don. Tut Cowanta. Lin. Syst. Icosandria Polygynia. 
Identification. D. Don, in Sw. Fl. Gard., 2d series. 
Derivation. In honour of James Cowan, a London merchant, who several times visited Mexico 
and Peru, whence he introduced a great many plants. 
Gen. Char, Calyx 5-cleft. Petals 5. Ovaries 5—14, Ovule erect. Styles terminal, 
continuous. Achenia adorned with the plumose persistent style. (D. Don.) 
Leaves simple, alternate, stipulate, evergreen; wedge-shaped, oblong, 
pinnatifid, plaited. Flowers terminal, solitary, almost sessile, red. — Shrub ; 
native of Mexico; very ornamental, but somewhat tender in British gardens. 
« 1. C. piica‘ta D. Don. The plaited-/eaved Cowania. 
Identification. Swt. Brit. Flor. Gard., t. 400.; Gard. Mag., 13. p. 452. 
Engravings. Swt. Brit. Fl. Gard., t, 400. ; and our jig. 550. 
Spec. Char., §c. Leaves wedge-shaped, 
oblong, pinnatifid, plaited. (D. Don.) 
A rigid, evergreen, decumbent, much- G/;,\ 
branched shrub. Mexico. Height 1 ft. -M\° 4 
to 2ft. Introduced in 1835. Flowers < 
dark red; June and July. Naked \— = 
young wood dark brown. = 
Branches copiously clothed with 
stalked glands. Petioles of the leaves 
very short, slightly channeled above, 
sheathing at the base. Stipules adherent. 
Flowers, when protruding from the bud 
exactly like those of Rosa. This pro- 
mising evergreen shrub, being extremely 
difficult to propagate, has been lost, for the present, to British gardens, 
550. Cowanta plicata. 
Sect. IV. Ro'szx Dee. 
Genus XII. 
LalINIL/ 
RO‘SA Tourn. Tut Rost Trez. Lin. Syst. Icosdndria Polygynia. 
Identification. "Tourn. Inst., 1. p. 636. t.408.; Lin. Gen., 631.,; Lam. Ill, t.440.; Lindl. Ros. Mon, 
8vo, 1820; Pronville’s Nomen. Rais., 1818, Monog. Ros., 1824; Don’s Mill., 2. p. 564. 
ynon: Rhodéphora Neck. Elem.; Rosier, Fr.; Rosenstock, Ger.; Roozeboom, Dutch; 
Rosajo, Ital.; Rosal, Span.; and Roseira, Portuguese. 
Derivation. From rhos, red, Celtic; in reference to the colour of the flowers of most of the species, 
Gen, Char. Calyx with thé tube contracted at the mouth, and with the seg- 
_ments usually pinnately divided. Petals 5. Stamens numerous. Carpels 
numerous, bony, inserted on the inside of the tube of the calyx, which at 
length becomes baccate and encloses them. They are dry and indehiscent, 
bearing each a style on the inner side. (Don’s Mull.) 
Leaves compound, alternate, stipulate, deciduous or evergreen ; impari- 
pinnate. Stipules attached to the petiole. Prickles simple. Flowers large, 
showy; red, white, or yellow ; fragrant. _ 
Shrubs, for the most part deciduous; natives of Europe, and of the tem- 
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