DICOTYLEDONES— CALYGIFLOE^ 



33i5 



Sub-order 4. Sanguisoebe^ or Potbeib*.— Herbs or iinder- 



shrubs. Flowers often unisexual. Petals frequently absent. 



Carpels 1 — 3 ; style terminal or basilar. Fruit an achEenium 



enclosed in the tube of the thalamus, which is often indurated. 



PiQ. 1097. Fig. 1098. 



Fig. 1099. Fig. 1100. Fig. 1101. Fig. 1102. Fig. 1103. 



Fig, 1097. Vertical section of the flower of the Peach (Primus {Amygdalvs) 



perxica). Fit/. 1098. Vertical section of the flower of the Quince il'yrm 



Cydonia). Fig. 1099. Two-celleil anther with part of the filament of a 



species of Rabns. Fig. 1100. Vertical section of the flower of a species of 



Alchemilla. Fi'j. 1 101 . Vertical section of the fruit (drupe) of the Cherry 



(Pninus Cera^iis). ep. Epicarp. me. Mesocarp. en. Endocarp, within 



which is the seed with embryo. Fig. 1102. Vertical section of an achee- 



nium of a species of Rose. Fig. 1103. Vertical section of the ovary, o, of 



a species of Ruhua, with the ovule, nr. 



Seed solitary, suspended, erect, or ascending. Illustrative 

 Genera : — Alchemilla, Linn. ; Poterium, Linn. 

 Sub-order 5. Pome^.— Trees or shrubs, with simple or compound 

 leaves and free stipules. Carpels 1 to 5, cohering more or 

 less with each other and united to the sides of the tube of 

 the thalamus, thus becoming inferior ; styles terminal. Fruit 



