XXVI. ROSA^CEJE : 



GENUS XI. 



321 



COWA V N//J D. Don. THE COWAMA. Lin. Syst. Icosandria Polygynia. 



Identification. D. Don, in Sw. Fl. Card., 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. Floivers terminal, solitary, almost sessile, red. Shrub ; 



native of Mexico ; very ornamental, but somewhat tender in British gardens. 



a. 1. C. PLICA'TA D. Don. The p\a\ted-leaved Cowania. 



Identification. Swt. Brit. Flor. Gard.,t. 400.; Card. Mag., 13. p. 452. 

 Engravings. Swt. Brit. Fl. Card., t, 400. ; and our fig. 550. 



Spec. Char., Sfc. Leaves wedge-shaped, 

 oblong, pinnatifid, plaited. (D. Don.) 

 A rigid, evergreen, decumbent, much- 

 branched shrub. Mexico. Height 1 ft. 

 to 2 ft. Introduced in 1835. Flowers 

 .lark 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 7?6sa. This pro- 

 mising evergreen shrub, being extremely 

 difficult to propagate, has been lost, for the present, to British gardens. 



550. CowaiJta plic&ta. 



Sect. IV. RO^SEJE Dec. 

 GENUS XII. 



7?<TSA Tourn. THE ROSE TREE. Lin. Syst. Icosandria Polygynia. 



Identification. Tourn. Tnst., 1. p. C3G. t. 408. ; Lin. Gen., 631 . , Lam. 111., t. 440. : Lindl. Ros MOD 



8vo, 1820; Pronville's Nomen. Rais., 1818, Monog. Ros., 1824 : Don's Mill 2. p 564 

 Synonymes. Rhodophora Neck. Elem. ; Rosier, Fr. ; Rosenstock, Gcr. ;' 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 the 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 Mill.) 



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 tern- 



