ON M, CHOPIN'S CLASSIFICATION. 



453 



Synoptic Table of the Sections of the Genus 1 Rosa. 



Inflorescence often many- flowered ; stems sarmentous, climbing, or 



creeping . . . . . . I. Synstylse. 



Examples: R. arvensis, sempcrvirens,moscJiata, multiflora, 

 anemoneflora, Lucuc, Wichuraiana, Watsoniana, setigera. 



Inflorescence generally few -flowered ; stems slightly sarmentous. 

 Example : R. stylosa. II. Stylosse. 



Exserted above the disc, about half the length of the interior stamens ; sepals 

 reflexed; inflorescence generally several-flowered . III. Indicse. 

 Examples : R. indica (Tea Roses), scmpcrflorens (Bengal). 



Styles coherent, 

 exserted above the 

 disc in a slender | 

 column about the 

 same length as the 

 interior stamens. 



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Inflorescence many-flowered in a false umbel ; stipules free, 

 caducous ; sepals caducous before the maturity of the recep- 

 tacle IV. Banksise. 



Example : R. Banksics. 



Inflorescence one-, rarely several-flowered ; stipules adnate, the upper 

 not dilated ; thorns intermixed with prickles and pedicellate 

 glands ; sepals caducous before maturity of the receptacle, the 

 exterior strongly appendiculate laterally. 



v. Galliese. 



Example : R. gallica (Provins, Centfeuille). 



Inflorescence usually several-flowered ; stipules adnate, the upper 

 larger than the lower ; thorns very rarely straight, not inter- 

 mixed with prickles and pedicellate glands. 



VI. Caninse. 



Examples : R. canina, ferruginea, rubiginosa, tomentosa, 

 villosa, micrantha, etc. 



Ovaries inserted exclusively at the bottom of the receptacle ; in- 

 florescence usually several-flowered ; stipules adnate ; stems 

 erect ; leaves 7-9 foliate ; thorns straight or hooked, regularly 

 in pairs under the leaves, very rarely all alternate. 



VII. Carolinse. 



Examples : R. Carolina, humilis, &e. 



Inflorescence usually several-flowered, rarely many-flowered ; stipules 

 adnate; stems erect ; thorns straight (rarely hooked or arched), 

 usually regularly in pairs under the leaves, very rarely wanting 



or alternate viii. Cinnamomese. 



Examples : R. cinnamomea, rugosa, alpina, laxa, &c. 

 Inflorescence nearly always one-flowered, ebracteate ; stipules adnate, 

 all narrow, auricles suddenly dilated and divergent ; middle 

 leaves usually 0-foliate ; stems erect ; thorns straight, scattered, 

 intermixed or not with prickles . IX. Pimpinellifolise. 

 Example : R. pimpinettifolia. 

 Inflorescence often one-flowered, ebracteate ; flowers yellow ; edge of 

 receptacle surmounted by a thick ring of hairs; stipules adnate, 

 the upper a little dilated, auricles divergent ; thorns alternate, 

 intermixed or not with glands . . X. Lutese. 

 Example: R. lutea, sulphured. 



