TAN ACE JE. 



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

 in the bud in quincuucial pricfloration, and the corolla consists of 

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

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



t. utlluwiii- (s). 



Fig. 72. Flower, 

 without perianth (f ) . 



Fig. 73. Calyx, 

 and gyn;eceum (^). 



Fig. 74. Dehiscent, 

 fruit (A). 



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 



— Tuiir. in Did. He. Nat. Atl. t. 135.— Spach, 

 Suit, à Biifnn, iii. 272.— Endl. Gen. n. 6056.— 

 Payer, Or(/anog. 65, t. 13.— B. H. Gen. 242, n. 

 2.— H. Bn. in Pai/er Fmn. Nat. 395.— Schnizl. 

 Icoiiogr. t. 255. — Lem. et Done. Tr. Gen. 356 

 (inch ; Adeiioliiiiim Reichb. Ciithai-tnlhium 

 Reichb. Cliococca Bail Livopsis Eeichh. Jiadiola 



Gmel. Meiiiwardtia Dumort. Xanthnliiiiim 

 Eeichb.). 



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

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

 water, ellipsoidal-flattened with three bands. 

 X. Aiistriacum, L. Flavum." 



