232 



JACK-IN-THE-PULPIT. 



saema being an alteration of Arum, its former name ; triphyl- 

 lum, the same as trifoliate, or trifoliolate. 



Arisc&ma Dracontium, Green Dragon, another species 

 growing in marshes, has its one leaf divided into about 9 

 leaflets, and its spadix very long-pointed. 



7, Or6ntium Americanum ; *, the spadix destitute of a spathe ; 8, Calla paltistris ; 

 6, a spathe and spadix ; 9, a flower with 6 stamens and an ovary ; 10, cross-section of 

 a berry, showing 6 cells. 



The Golden Club ( Ordntium) growing in rocky rills, may 

 be examined in connection with the Arisaemas. Its yellow 

 spadix has no spathe and is covered above with perfect flow- 

 ers. Also our native Calla (C. palustris) growing in swamps, 

 whose short spadix is covered with perfect flowers and invested 

 with a white spathe. 



The favorite House Calla (RicMrdia Africana) is a native 

 of S. Africa. Here, also, the flowers cover the whole spadix, 

 the $ above and the ? below. The leaves of this and of the 

 two preceding are decidedly parallel-veined. 



Classification. The order ARACE^E the Aroids in- 

 cludes the above and many other genera. We may briefly 

 define the order as follows : 



