220 ROSACEiE. Rosa. 



4. Rosa rubiginosa, Linn. Sweet-briar. Eglantine. 



Stem armed with scattered, very strong, recurved prickles ; leaflets 5-7, roundish-oval or 

 obovate, sharply serrate , the margins, lower surface and stipules more or less clothed with 

 ferruginous glands ; flowers mostly solitary on short bristly peduncles ; fruit ovoid or obovate, 

 mostly smooth.— Linn. mant. p. 564 ; WiM. sp. 2. p. 1073 ; Engl. hot. t. 991 ; Torr.fl. 1. 

 ;). 486 ; Bigel. fl. Bost. p. 197 (also R. myricantha of the same work ?) ; Beck, hot. p. 109 ; 

 Darlingt.fl. Cest. p. 310; Torr. ^ Gr. fl. N. Am. \.p. 461. R. suaveolens, Pursh, fl. 1. 

 p. 346; Ell. sk. 1. p. 566. 



Stem 4-8 feet high (sometimes much taller when growing on the borders of thick woods). 

 Prickles very broad at the base. Leaflets 6-8 lines long, green above, more or less russet- 

 colored underneath and somewhat viscid, very fragrant. Flowers about an inch and a half in 

 diameter. Peduncle wilh an ovate acuminate bract at the base. Calyx-segments foliaceous 

 at the tip, entire or the exterior ones laciniate. Petals pale red, turning white, emarginate. 

 Fruit reddish-orange when mature. 



Borders of woods, road-sides, etc. ; common. Introduced from Europe, but now perfectly 

 naturalized. Fl. June. Fr. September - October. 



Suborder III. PoMEiE. Juss. 



Calyx-tube campanulate or urceolate, more or less globose in fruit, when it 

 becomes extremely thick and fleshy, including and cohering with the ovaries. 

 Ovaries 2-5 (rarely solitary), mostly cohering with each other, with two 

 collateral ovules : styles terminal, distinct or more or less united. Fruit a 

 pome, 1 - 5-celled ; the cells sometimes sjauriously divided by the inflexion of 

 the dorsal suture. Seeds usually 1 - 2 in each carpel. — Trees or shrubs, with 

 simple or rarely pinnated leaves. Fruit usually eatable. 



16. CRAT^GUS. Linn. ; Endl gen. 6353. thorn-TREE. 



[ Prom the Greek, krcdos, strength ; in allusion to the extreme hardness of the wood in the original species.] 



Calyx-tube urceolate ; the limb 5-cleft. Petals orbicular, spreading. Stamens numerous. 

 Styles 1-5. Pome fleshy or baccate, crowned with the teeth of the calyx, containing 

 1-5 bony one-seeded carpels ; the summit contracted or closed by the disk. — Thorny 

 shrubs or small trees, with simple often incised or lobed leaves. Flowers in terminal 

 corymbs, rarely solitary, white or with a tinge of rose-color. Bracts linear or subulate, 

 deciduous. Fruit sometimes eatable. 



