540 ROSACEA. 
surrounding the orifice, 4- or 5-lobed, when 5 the odd lobe pos- 
terior (fig. 947), sometimes surrounded by a whorl of bracts 
forming an involucre or epicalyx (fig. 456). Petals 5, distinct, 
(fig. 476, p, and 947), perigynous ; or rarely none (fig. 952). 
Stamens definite (fig. 952) or numerous, perigynous (figs. 948 
—950) ; anthers (fig. 951) 2-celled, dehiscing longitudinally. 
Fic. 949. Fie. 950. 
Fic. 951. Fire. 952. Fie. 953. Fic. 954. Fie. 955- 
Fig. 949. Vertical section of the flower of the Peach (Prunus (Amygdalus) 
persica).——Fig. 950. Vertical section of the flower of the Quince (Pyrus 
Cydonia).——Fig. 951. Two-celled anther with part of the filament of a 
species of Rubus. Fig. 952. Vertical section of the flower of a species of 
Alchemilla.— Fig. 953. Vertical section of the fruit (drupe) of the Cherry 
(Prunus Cerasus). ep. Bpicarp. me. Mesocarp. en. Endocarp, within which 
is the seed with embryo.— Fig. 954. Vertical section of an achenium 
of a species of Rose.—Fig. 955. Vertical section of the ovary, 0, of a 
species of Rubus, with the ovule, ov, 
Carpels 1 (fig. 952), 2, 5, or numerous (figs. 947 and 948), with 
1-celled ovaries (figs. 952 and 955), usually apocarpous and 
superior (figs. 947 and 948), or sometimes more or less combined 
together, and even with the tube of the calyx, and thus becoming 
inferior (fig. 950) ; styles basilar (figs. 639 and 952), lateral (fig. 
