96 26. EOSACEiE. 



Tribe I. SPIR^IDJE. Carpels (follicles) several, not vicluded 

 in calyx-tube ; seeds 1 — 6, suspended from the inner edges 

 of tlie follieles. Sep. persistent, in one row. 



2. Spiii.s;a. Cal. 5-cleft. Stam. many, inserted with the 

 pet. on a disk adhering to the calyx. Follicles 1 or more, 

 usually distinct. Seeds 2 — 6. 



Tr. II. SANGTJISORBIDJS. Carpels 1—3, enclosed in the 

 dry calyx-tuhe, which is narrowed at the top. 



3. Sanguisoeba. Fl. perfect. Oal. 4-cleft, with 2 or 3 

 scales at its base, tube quadrangular. Pet. 0. Stam. 4, 

 opposite to the segments of the calyx. Nuts 1 — 2. Style 

 terminal. Stigma capitate, covered with oblong spreading 

 prominences. Seed suspended. 



4. PoTBRiUM'. Fl. monoecious or polygamous. Cal. 4-cleft, 

 with 3 scales at its base, tube quadrangular. Pet. 0. 

 Stam.. 20—30. Nuts 2—3. Style terminal. Stigma 

 brush-like, with filiform divisions. Seed suspended. 



5. Agrimonia. Fl. perfect. Caly.v 5-cleft, without scales: 

 tvhe turbinate, armed with hooked bristles above. Pet. 5. 

 Stam. 12 — 20, inserted with the pet. into a glandular ring 

 in the throat of the calyx. Nufcs 1 — 3. Style terminal. 

 Seed suspended. 



6. Alchemilla. Fl. perfect. Cal. S-parted, the alternate 

 parts smaller, contracted at the throat, unarmed. Pet. 0. 

 Stam. 1 — 4, inserted into a ring in the throat of the calyx 

 and oppiosite to the smaller segments. Nuts 1 — 5. Style 

 basal. Seed ascending. 



Tr. III. DSYABFJE. Fruit not included in calyx-tube, of 5 

 or more small dry nuts (in Rubus drupes) inserted on a 

 dry or succulent receptacle. Calyx persistent, open, nearly 

 flat. 



* Attachment of the seed near to that of the style, radicle 

 superior. 



7. Sibbaldia. Cal. concave, 10-parted, in 2 series, 5 exte- 

 rior parts smaller. Pet. 5. Stam. 5. Style lateral. Fr. 

 of 5 — 10 small nuts placed on a dry receptacle. Seed 

 ascending. 



8. PoTENTiLLA. Cal. coucave, 8— 10-parted, in 2 series, 5 

 exterior parts smaller. Pet. 4 — 5. Sta7n. many. Style 



