86 26. ROSACEA. 
culent, drupaceous, placed upon a hemispherical or conical 
spongy receptacle. Seed pendulous. 
** Attachment of the seed distant from that of the style, radicle 
inferior. Seed with a long awn. 
12. Dryas. Cal. 8—10-cleft, in one row. Pet.8—9. Stam. 
numerous. Fr. of numerous small nuts, tipped with the 
persistent hairy styles which are straight at the extremity. 
Receptacle flat, dry. Seed ascending. 
13. Geum. Cal. 10-cleft, in 2 rows, the outer parts smaller. 
Pet. 5. Stam. numerous. Fr. of numerous small nuts, 
tipped with the persistent jointed styles hooked at the joining. 
Receptacle elongated, dry. Seed ascending. 
Tr. IV. ROS445. Fr. formed of numerous smal} dry nuts 
inclosed in the fleshy tube of the calyx. 
14. Rosa. Cal. urceolate, contracted at the mouth, ultimately 
fleshy, 5-fid. Pet.5. Stam. numerous, inserted with the 
petals on the rim of the tube of the calyx. 
Suborder II]. POMEZ. 
Calyx-tube thick and fleshy, in fruit forming a 1—5-celled 
pome. 
15. Crataeus. Calyx-segments 5, acute. Pet. 5. Styles 
1—5. Fr. oval or round concealing the upper end of the 
1—5 bony 1—2-seeded carpels. 
16. CorongastER. Calyx-segments 5. Pet.5. Styles 2—5. 
Fr. turbinate, its nuts adhering to the sides of the calyx but 
not cohering at the centre—Stam. erect, as long as the teeth 
of the calyx. 
17. Mespiuus. Calyx-segments 5, leaflike. Pet. 5. Styles 
2—5. Fr. turbinate with the upper end of the bony carpels 
exposed ; disk dilated, almost as broad as the fruit. 
18. Pyrus. Cal. 5-toothed. Pet. 5. Styles 2—5. Fr. 
fleshy with 5 cartilaginous or membranous distinct 2-seeded 
cells. Testa cartilaginous. 
Suborder I. Amygdalee. 
1. Prunus Linn. 
* Young leaves convolute. 
1. P. communis (Huds.); ped. solitary or in pairs, 1. elliptic or 
ovate-lanceolate rather downy beneath.—a#. P. spinosa (L.) ; 
2 
