82 DICOTYLEDONOUS, 



somewhat coriaceous, serrate towards the apex, with revolute margins near 

 the base. Flowers few on each peduncle. Sepals mucronate oblong, to- 

 mentose. Petals obovate. Fruit black. 



Wliite or rose color. %.. May — June. Common. 1-2 feet. 



Remarks. — The genus Rubus affords fruit, which is much used for food and is heal- 

 thy and agreeable when perfectly ripe. A jelly made from the fruit of the /.'. Villosus 

 common Blackberry, is much esteemed as an article of d'et by patients suffering under 

 dysenteric affections. The root (>f this species is much valued in domestic practice in 

 the same diseases, and is considered by many as a certain remedy. The Facdty re- 

 commend it in such affections as require vegetable astringents. 



Genus XII. ROSA. 



Calyx 5-cleft, tube urceolate, contracted at the summit, en- 

 closing several distinct ovaries. Carpels l-seeried, hairy, in- 

 dehiscent. Shrubby plants, with pinnate leaves, with stipules 

 adhering to the petiole. 



1. K. Carolina. Stem erect branching, branches red, armed with stout 

 prickles. Leaves pinnate, leaflets 5-9 large, oblong, lanceolate, acute, serrate 

 pubescent beneatli. Flowers in corymbs on short glandular peduncles. 

 CaZj/-r L'landular hispid. Pe^zZs obcordate. Fruii globose. Swamp Rose. 



.^ Reddish. "4- July. In wet grounds 4-6 feet. 



2. R. LuciDAs. Stems glabrous, erect, colored, armed with setaceous 

 prickles. Leaflets 5-9, ovate lanceolate, obtuse, serrate, glabrous and shin- 

 ing above, pubescent on the under surface. Flowers in corymbs, generally 

 3, segments of the calyx foliaceous, glandular-pubescent, longer than the 

 corolla. Pftals obcordate. Fruit red globose. 



Reddish. %. May — June. Common. 1-3 feet. 



3. R. Parviflora. Stem glabrous, dotted, branches geniculate. Leaf- 

 lets 5, the lateral ones ovate, obtuse, terminal one lanceolate, acute, glabrous 

 or slightly pubescent on the veins beneath. Spines stipulate, generally 

 straight. Flowers terminal, solitary or by pairs. Calyx hispid; segments 

 subulate. Petals emarginate, obovate. Fruit nearly glabrous. 



Red. %. May — June. In dry fertile soils, common. 1-2 feet. 



4. R. L-^viGATA. Stem glabrous, branches flexible, armed with strong 

 recurved prickles. Leaflets 3-5, lanceolate, serrate, coriaceous, shining. 

 Flowers solitary, terminal ; segments of the calyx acuminate, unequal serrate. 

 Petals obovate, obtuse, with the point crenulate. Cherokee Pose. 



White. % April— May. Common. 15-20 feet. 



i2e?narAs.— The Rose has been an object of esteem in all civilized nations. The 

 species and varieties of this cenus, most of them produced by the Horticulturist, 

 amount 4—500. As an ornamental shrub it stands unrivaled in public esteem. It 

 yields but. lilt le to the mass of vegetable materials made subservient to the uses of 

 man. The leaves of the Red-rose are slightly astringent and tonic biit are used 

 chiefly in infusions a'^ a vehicle fir the administration of cathartic medicines. Rose 

 water is produced by the distillali(m of the Flowers of various species. The Attar of 

 Roses is a volatile oil existing in very minute quantities in rose leaves, is obtained by 

 distillation and sold at high prices as a perfume. 



■ Gends Xlir. CRAT^GUS. 



Calyx 5-cleft, tube urceolate. Petals 5, spreading, orbicu- 

 lar. tStamens numerous. Styles 1-5. F7'uit fleshy or bac- 

 cate, crowned with the teeth of the persistent calyx, 1 to 5- 

 seeded. Seeds bony. Thorny shrubs, with simple leaves. 

 Fruit often edible. Thorn tree, 



1. C. Crus-galli. Stem spiny, branching ; branches geniculate, divari- 



