S08 ICOSANDRIA. POLYGTNIA. 



Ohder v.— POLYGYNIA. 



344. ROSA. L, (Rose.) 



Calix urceolate, carnose, contracted at tlie 

 oriHce, border 5 deft. Petals 5. Seeds nianv, 

 liispid, attHchoil to liic inside ot* the calix. 



Shrubs for the most pait aculeate, prickles scattered; 

 leavers altcinale, pseudop-nnate, in one species simple; 

 lower part nfthe petiole aiated by the decurrent stipules; 

 flowers solitar}' or subcorymbose and terminal, mostly 

 lar^e, in the gardens otteu double. 



Species. 1. K. blanda. 2. pai^ifiora. 3. niuda- Af. 

 hicida. 5. gemella. 6. Lvonii. 7- setigera. 8. Carolina. 

 y. rnbifoUa. A very fine flowering species, but nearly 

 scentless; abundant round Detroit, and through all the 

 vestern states to Louisiana. 10. hevigafa. 11. vnbigino- 

 9,1. li. siuiveolens. Ph. Merely naturalized; certainly 

 not native. 



A genus of near 50 species chicPiy indigenous to Eu- 

 rope, there are also a few species in Japan and India. 



345. RUBCS. L, (Bramble.) 



Calix 5-clctt inferior. Petals 5. Berry com- 

 poinid; acini I -.seeded. 



Slirubbysuffruticose or herbactous plants; stems most- 

 ly aculeate, oi'ten annua), m'lrc (ir less recurved or sar- 

 inentosely ])r()cumbent, the herbaceous species destitute 

 of armature; leaves simple, ternate, digitate, or pinnately 

 divided; flowers terminal, racemosely paniculate or soli- 

 tary, rarely s-kbcorymbose; fruit edible, red or black, 

 soivetimes vellowish. 



Species' l.V.l/^ns. Indigenous throughout Upper 

 Canada and on the borders of the lakes of ih^St. Law- 

 rence. 2. occidtntalis. 3. vUlosv^s. Leaves in 5s. dij^i- 

 tate, elliptic acuminate, sharply serrate, partly villous on 

 both sides. 4. stvigoms. 5. canadensis. 6. cuneifoUvs. 

 Ph. Verv pricklv, but producing often an abundant and 

 well flavoured fniit. This species grows always in sandy 

 woods, way-sides and fields, profiting by the dt struction 

 f and removal of the trees which formerly restrained it, 



Mr. P. must not have seen this plant in perfection, other- 

 wise he would not have remarked that *« the berries were 

 hard and dry." 7- hispidus. 8. trivialis. Dewberry. 9. 

 fiagellaris- ' 10. ivermis. 11. spectabili^. 12. odoratus. 

 (On tiie banks of Wishahikon creek near PhiWlphia); 

 abundant throughout the mountains, always amidst rocks. 

 13. *purviJloT-ns. Shrubby and unarmed; leaves simple, 

 palmalely lobed; peduncles 2 or 5-flowered: flowers 

 small; segments of the calix villoua, ovate, abruptly aca- 



