ICOSANDRIA.— POLYGYRIA. 197 



, SESUVIUM. Cal. 5-parted, coloured. Pet. 0. 

 Cups, superior, ovate, 3-celled, opening trans- 

 versely all round, many-seeded. 



323. ARONIA. Cal. 5-toothed. Pet. 5. Berry infe- 



rior, 5 — 10-celled; cells I — 2-seeded. Seeds 

 cartilaginous. 



324. PYRUS. Cal. 5-cleft. Pet. 5. Apple inferior, 



large and fleshy, 5-celled, many-seeded. Seeds 

 cartilaginous. 

 SPIRAEA. Cal. inferior, 5 cleft, expanding. Pet. 

 5, equal, roundish. Starn. numerous, exserted. 

 Caps, numerous, (3 — 12.) 1 -celled, 2-vaived. 

 each 1 — 3 seeded. 

 .?26. G1LLENIA. Cal. tubular-campanulate ; border 

 5-toothed. Cor. partly unequal. Pet. 5, lanceo- 

 late, attenuate at. the base. Stain, few, included. 

 Styles 5. Caps, 5. connate at the base, opening 

 on the inner side, each 2-seeded. 



POLYGYNIA. 



327. ROSA. Cal. urceolale, fleshy, contracted at the 



orifice ; border 5-cleft. Pet. 5. Seeds nume- 

 rous, hispid, attached to the interior side of thr 

 calyx. 



328. RUBUS. Cal. 5-cleft, inferior. Pet. 5. Fruit 



composed of many 1 -seeded j'licy acines, on a 

 dry receptacle. 

 DALIBARDA. Cal. inferior, 8-cleft, spreading. 

 Styles 5 — 3, long and deciduous. Seeds dry. 

 130. DRY AS. Cal. 8—1 0-cleft, segments equal. Seeds 

 5 — 8, with Ions; plumose awns. 

 I. GEUM. Cal. 1 0-cleft, inferior ; the alternate 



ments smaller. Pet. 5. Seeds nwned, with the 

 awn naked or bearded, mostly geniculate. 

 POTENTILLA. Cal. flat, 10-cleft, (rarely 3 or 

 12-cleft;) segments alternately smaller. Pet. 5. 

 !y 4.) Seed* or acines subovate ; mostly 

 rugose, immerged in a common receptacle, which 

 is juiceless or Bpongy, more or less hemi- 

 Bpherical. 

 I RAGRAR1A. Cat. 10-cleft. Pet, 5. &cin*% 

 R 2 



