264 DICOTYLEDONS. ROSACES. Akheinilla. 



** Leaves digitate. 



2. P. argentea, leaves quinate, leaflets cuneiform cut white and 

 downy beneath, their margins revolute, stem decumbent, 

 p. 162. Barren stony soils. 



3. P. verna, radical leaves quinate, leaflets obovate green on both 

 sides sharply serrated hairy beneath and at the edges, petals 

 obcordate longer than the cal., stem decumbent, p. 162. 

 Rocky pastures. 



4. P. opaca, radical leaves of 7 or 5 oblongo- cuneiform deeply 

 serrated hairy leaflets, petals obcordate a little longer than the 

 cal., stem filiform decumbent, p. 163. Scotland. 



5. P. aurea, radical leaves quinate those of the stem ternate, leaf- 

 lets wedge-shaped their margins with silky hairs deeply serrated 

 at the extremity, petals obcordate larger than the cal., stem 

 decumbent, p. 163. Mountains. 



6. P. reptans, leaves quinate, leaflets obovajo-cuneiform serrated, 

 peduncles axillary single-flowered longer than the leaf, stem 

 filiform creeping, p. J63. Meadows and pastures. 



**$ Leaves ternate. 



7. P. tridentata 9 leaves ternate, leaflets oblongo-cuneiform three- 

 toothed at the extremity glabrous above hairy beneath, petals 

 ovate longer than the cal., stem ascending, p. 163. Rocks. 



8. P. Fragaria, leaves ternate, leaflets obovate deeply serrated 

 silky on both sides (especially beneath), petals obcordate as long 

 as the cal., stems procumbent, p. 164. IFbods, banks, and 

 pastures. 



6. TORMENTILLA. 



Cal. S-cleft; segments alternately smaller. Petals 4. Pericarps 

 roundish, fixed to a small dry receptacle. 



1 .T. offici?ialis 9 leaves ternate all sessile, leaflets lanceolate inciso- 

 serrate, stem nearly erect dichotomous.p. 164. Barren places. 



2. T. reptans, leaves ternate on footstalks, leaflets obovato-cuneU 

 form inciso-dentate, stem prostrate, p. 164. Waste places. 



7. COMARUM. 



Cal. 10-cleft ; segments alternately smaller. Petals 5 less than 

 the calyx. Pericarps inserted upon a large spongy villous per- 

 manent receptacle. 



1. C. palustre. p. 165. Peat logs and marshes. 



SECT. IV. SANGUISORBEJE. Achenia superior, inclosed in tht 

 calyx. Seed suspended. Stamens usually dejlnite. 



1. ALCHEMILLA. 



Ca/.8-cleft; segments alternately smaller. Stam.l 5. Pericarp} , 

 1. A. vulgaris, leaves uniform plaited many-lobed serrated. 



