1 66 Elementary Botany 



Spircea. Calyx five-cleft ; firuit three to twelve follicles. 

 Several species of Meadow-sweet. Some of the exotic plants 

 are cultivated for their flowers. 



3. Sanguisorbe^. Herbs or under-shrubs ; flowers often 

 unisexual ; petals absent (fig. 302) ; carpel solitary ; fruit an 

 achene (fig. 302, 11.). 



' FlG. 302. — Sanguisarba officinalis. I. Flower. II. Fruit 



British Plants. 



Alchemilla. Calyx eight-cleft, in two rows ; stamens one 

 to four. The species of Lady's-mantle and Parsley Piert are 

 used as fodder plants. 



Poterium, Salad Burnet. Calyx four-cleft, petaloid ; flowers 

 unisexual ; stamens numerous. A good salad plant. 



Sanguisorba, Great Burnet. Calyx four-cleft, petaloid ; 

 stamens four. Grown in Germany as a fodder plant. 



4. PoMEiE. Trees or shrubs ; carpels one to five, adhering 

 more or less to one another, and sunk in the receptacle, thus 

 becoming inferior ; fruit a pome. 



British Plants. 



CratcBgus, May or Hawthorn. Fruit hard or bony ; calyx 

 divisions sharp. 



Mespilus, Medlar. Differs from the May in its larger flowers 

 and foliaceous calyx divisions. 



Pyrus. Calyx divisions small ; fruit fleshy. Its species 

 include the Apple, Pear, Rowan-tre? or Mountain Ash, and 



