Class XII. ICOSANDRIA. Stam.^0 

 or more^ from the rim of the calyx . 



Order I. MONOGYNIA. Pistil I. 



250. PRUNUS. CaL inferior, 5-cleft. PeL 5. Nut of 



the druj)a with slightly prominent seams. 

 Mespilus 1. 



Order II. FENTAGYNIA. Pistils 2— 5. 



251. MESPILUS. Ca/. superior, 5-cleft. PeL 5. Apple 



with 2 — 5 bony single-valved capsules. Seeds 2. 



252. PYRUS. CaL superior, 5-cleft. PeL 5. Apple with 



2 — 5 membranous 2-valved capsules. Seeds 2. 



253. SPIRAEA. CaL inferior, 5-cleft. PeL 5. Capsules 



of 2 membranous valves. Seeds numerous. 



Order III. POLYGYNIA. Pist. numerous. 



254-. ROSA. CaL 5-cleft; tube finally pulpy, lined with 

 hairs, and with numerous bristly seeds. 



0,55. RUBUS. CaL 5-cleft. Berry superior, compound, 

 deciduous. Recept. spongy, permanent. 



258. TORMENTILLA. CaL 8-cleft. PeL 4. Seeds 



naked, beardless. Recept. dry, obsolete. 



260. DRY AS. CaL 8- or 10-cleft. PeL 5 or 8. Seeds 

 each with a feathery tail. 



259. GEUM. CaL 10-cleft. Pet. 5. Seeds each with a 



bent hooked tail. Recept. columnar. 



