IV. MUSACEiE. 



763 



X- N 



Selieonia metallica. 

 Transverse sectioa of base of flower. 



Beliconia metallica. 

 Abortive stameu. 



HcUconia BiJtai. Entire plant. 



Heliconia formosa. 

 Lower portion of tbe Heliconia fm'mosa, 

 flower cut vertically. Ovule (mag.). 



XIrania guianensis. 

 Seed, witli hiury aril (mag.). 



Beliconia metallica. E'lower^. 



Urania guianensis. 



Seecl, witibairy aril, cut 



vertically (mag.). 



