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A TEXTBOOK OF BOTANY 



[Ch, XIII 



inent economic and ornamental plants. The showy flowers 



recall those of Ranunculacese, but have the stamens and 



petals on a calyx tube, 

 while the ovaries are often 

 inferior, ripening to large 

 edible fruits. Prominent 

 members are the Orpines, 

 (Crassulacece), mostly 

 fleshy plants, familiar in 

 Stonecrop, Live-forever, 

 and Bryophyllum (Fig. 

 43) : the Saxifrages (Saxi- 

 fragacece), including the 

 Hydrangea (Fig. 237), 

 "Syringa," Deutzia, the 

 Currants and Gooseber- 

 ries (Ribes): Cephalotus, 

 a rare insectivorous plant : 

 Podostemonacece, with 

 some remarkable water 



plants (Fig. 393) : the Witch Hazels : the Plane Trees, with 



Buttonwood : the Rose Family (Rosacea), of 1500 species, 



including Rose, Apple, 



Quince, Pear, Cherry, Plum, 



Peach, Raspberry, Straw- 

 berry, the ornamental 



Shadbush, Hawthorn, Bridal 



Wreath, and others familiar 



in gardens. In this order 



belong also the Leguminosae, 



the second largest of plant 



families, with some 7000 



species, distinguished mostly 



by irregular papilionaceous 



flowers (Fig. 394) with the 



characteristic one-carpel 



Fig. 392 

 ral size. 



Above, right, a 

 Errera and Laurent.) 



Drosera rotundifolia ; natu- 

 leaf; X 2. (After 



Fig. 393. — Oenone latifolia; X h 

 This plant grows in swiftly running 

 fresh water, whence its resemblance ta 

 some Algae. (From Goebel.) 



