LKSSONS IN UOTANY. 



hypogynous ; ovary throe-celled, uni-ovnlato ; ovules pendent, 

 reflexed ; f rait succulent or dry, compound of three shells, some- 

 times winged ; seed dicotyledonous ; embryo exalbuininoun, 

 straight ; stem herbaceous, sncculent, diffused or voluble ; 

 leaves peltate, the inferior leaves opposite and stipulated, 



yellow flowers of no great beauty, and belong to an entirely 

 different order, namely, that of the Bratncacea, or Crudfers. 



SECTION LXXXEL LIlCXAJfTHACBJL 



Characteriutic* : Calyx free ; petals inserted upon an 



240. MARSH MALLOW (ALTHJEA OFFICINALIS). 241. COTTON PLANT (OOSSYPHJM). 242. SECTION OF FLOWER OP COTTON PLAHT. 243. HEBOV'S Bit 

 (ERODIUM). 244. STORK'S BILL (PELARGONIUM). 245. CREEPING BALSAM (IMPATIENS REPENS). 246. PINK LIXNANTHES (UIOIANTHBS ROSKA). 



the superior leaves alternate and without stipules; flowers 

 axillary. 



The Ti-opceolacece inhabit the entire of Central America. The 

 genus Tropceolwn (Fig. 239) is cultivated in Europe. The 

 Trapozolum speciosum, a native of Patagonia, bears a handsome 

 scarlet flower. The Indian cress, with its broad, buckler-like 

 loaves and flowers of all shades, from the faintest primrose 

 to a rich crimson brown, is often erroneously called nastur- 

 tium. Too real nasturtiums are hardy aquatic plants, bearing 



almost perigynous disc, three or five equal ; aestivation convolute; 

 stamens six or ten ; carpels three or five, coherent, uni- 

 ovulate ; ovules erect, reflexed ; fruit composed of two or 

 three achsenia; seed dicotyledonous, exalbnminoua ; embryo 

 straight. 



The members of this natural order are indigenous to North 

 j America, generally annuals, growing in marshy places; their 

 , leaves soft and glistening, alternate, their flowers regular. The 

 I Limnanthcs rosea, (Fig. 246) is a native of California. This 



