ig4 ICOSANDRIA — POLYGYNIA. iTormentilla. 



4. CoTONEASTER. Floxoers polygamous. Cal. turbinate, with 

 5 short teetli. Pet. 5, small, erect. Slam, erect, the length of the 

 teeih of the cal. Fruit turbinate, with its nuts adhering to the in- 

 side of the cal., but not cohering in the centre. — Nat. Ord. Ros- 

 ACKJEyJuss. — Named from Cotoneum, (■/.-jo-m-^iov, Gr.) i\ie Quince. 



5. Pyrus. Cal. superior, of 5 segments. Pet. 5. Styles 

 2 — 5. Fruit fleshy (a Pmne or Apple), with 3 cartilaginous, 

 2-seeded cells. — Nut. Ord. Rosack^, Juss. — Name derived 

 from the Celtic peren, a pear. In Greek ar/o;, from api, 

 Celtic ; whence apple in English ; apfel, German. 



6. Spir.4:a. Cal. inferior, .5-cleft, persistent. Pet. 5. Cap- 

 sules 3 — 12, 1-celled, 2-valved, with iew seeds. — Nat. Ord. 

 RosACEiE, Juss. — Name supposed to be the (STrnona of Theo- 

 phrastus. 



ORD. III. POLYGYNIA. Many Styles. 



7. Rosa. Cal. urn- shaped, fleshy, contracted at the orifice, 

 terminating in 5 segments. Pet. 5. Pericarps (or carpels^ 

 numerous, bristly, fixed to the inside of the calyx. — Nat. Ord. 



Rosack^, Juss Named from the Celtic lihos, (from rJiodd, 



red) ; whence also the Greek name for a rose, Poo&i', was pro- 

 bably derived. 



8. RuBUs. Cal. 5-cleft. Pet. 5. Fruit superior, of several 

 single-seeded juicy drupes, placed upon a protuberant spongy 



receptacle Naf. Ord. Rosacea, Linn. — Name of uncertain 



origin; perhaps from the Latin ruber, or the Celtic, rub, red. — 



9. Fragaria. Co/. 10-cleft, segments alternately smaller. Pet. 

 5. Fruit consisting of many minute nuts, placed upon a large 

 fleshy deciduous 7ec<y>tocZe. — Nat. Orel. Rosace/E, Juss. — Named 

 from fratjranSy odorous ; on account of its fragrant smell. 



10. Comarum. Cal. 10-(or more) cleft, segments alternately 

 smaller. Pet. 5, (or more), shorter than the calyx. Pericarps 

 inserted on a large spongy, permanent receptacle. — Nat. Ord. 

 RosACE^E, Juss — Named from ■/,o/j.a^oc, a term applied by 

 Theophrastus to some plants of the Arbutus tribe. 



11. PoTENTiLLA. Cal. 10-cleft, Segments alternately smaller. 

 Pet. 5. Fruit consisting of numerous minute nuts, placed upon 

 a small dry receptacle. — N^at. Ord. Rosacea, Juss. — Named 

 from potens, powerful, from the medicinal properties attributed 

 to some of the species. 



12. ToR3iENTiLLA. Cal. 8-cleft, segments alternately small- 

 er. Pet. 4. Fruit consisting of numerous minute nuts, placed 

 upon a small dry receptacle. — Nat. Ord. Rosacea, Juss. — 

 Named from tormina, the dysentery, in the cure of which it was 

 employed on account of its astringent qualities. 



