NATURAL HISTORY OF PLANTS. 



V. NASTURTIUxAI SEEIES. 



The flowers of the Nasturtiums ^ (tig. 31-39) are liermajihrodite 

 and irregular. They have a concave receptacle, in the form of a 

 porringer, the posterior part being prolonged into a spur of variable 



Tropirolidn miiju. 



31. Floriferous branch. 



form and size ^. Upon the edges of the cup are inserted tive sepals '', 

 quincuncially imbricate or valvate in the bud (sepal 2 being posterior 

 and corresponding to the spur). The petals are often the same in 



IL. ae>i. n. 460.- J. Gm. 260; in Mi-m. 

 3Ihs. v. 230.— Lamk. Did. i. CIO ; Suppl. 

 ii. 86 ; 111. t. 277.— Tubp. in Diet. Sc. Nat. 

 AU. t. 133.— DC. Prodr. i. 683.— Spach, Suit, 

 à Buffon iii. 4.— Endl. Oen. n. 6063.- Payer, 

 Organog. 77, t. 16. — Chat, in Ann. Sc. Nat. 

 scr. 4, V. 283.— H. Bn. in Payer Fain. Nat. 

 403.— B. H. aeii. 274, n. 7.— Schnizl. Iconogr. 

 t. 2â8.— Lem. et Dcne. Tr. Oen. 353 (incl. : 

 Anisoocntra Don, Cli'jmocaipns Don, Mai/allana 



CoMMERii.).—C'an/(aiiiii(liim T. Jn.sl. -130, t. 224. 

 — Adans. Fmn. dis PI. ii. 338.~Acrivio!a 

 BoERH. (ex Adans.). 



" It is free, sometimes wide and not very deep, 

 sometimes very largo, straight or curved, glan- 

 dular at the hottom ; so that the cavity often 

 contains a sweet nectar. It is sometimes want- 

 ing in some cultivated flowers ; in other cases 

 it is more or less deeply lined. 



' Often pctaloid, coloxired. 



