LINAGES. 



43 



convex receptacle. The calyx is formed of five free sepals disposed 

 in the bud in quincuncial prsefloration, and the corolla consists of 

 five alternate petals, like the sepals also contorted in the bnd and 

 falling early. The stamens are ten in number, all united among 



lAmtm imiatissimmn. 



Fig. 70. Long. sect, of flower (f). 



Fig. 71. Diagram. 



Fig. 72. Flower, 

 without perianth (f). 



Fig. 73. Calyx, 

 and gynEeceum (f). 



Fig. 74. Dehiscent, 

 fruit (.i). 



Fig. 75. Long. 

 sect, of seed (-f). 



themselves at the base ; but only five of them, those superposed to the 

 sepals, are fertile, being formed of a filament dilated below and of an 

 introrse bilocular anther dehiscing by two longitudinal clefts ^ The 

 five other stamens are destitute of anthers and reduced to short 

 filaments superposed to the petals. Outside the androceum are seen 



— Ttjep. in Diet. Sc. Nat. Atl. t. 135. — Spaoh, 

 Suit, a Buffon, iii. 272.— Endl. Gen. n. 6056.— 

 Payer, Organog. 66, t. 13.— B. H. Gen. 242, n. 

 2. — H. Bn. in Foyer Fam. Nat. 395. — Schnizl. 

 Iconogr. t. 255. — Lem. et Done. TV. Gen. 356 

 (inol. : AdenoUnmn Reiohb. CathartoUnum 

 Ebighb. Clioeoeca Bab. jAftopsis Rbichb. Eadiola 



Gmbl. Eeinwardtia. DtTMORT. XanthoUnu/m 

 Eeichb.). 



1 The pollen is according to H. Mohl (in Ann. 

 Sc. Nat. ser. 2, iii. 335), "ovoid; three folds; in 

 water, ellipsoidal-flattened with three bands, 

 i. Austriacum, L, Flavum." 



