EXPLANATION OF THE ILLUSTRATIONS 
Pirate XXXIV. Three alicoles of a maize ear with 
the lower glumes cut away and the upper glumes 
and parts of the spikelets above the upper glumes 
torn off to show the attachment of the pairs of spike- 
lets. One spikelet of each pair arose from a hair- 
fringed callus in the depths of the alveolus while 
the other spikelet was attached to the side of the 
alveolus further from the center of the cob. 
Pirate XXXV. Representative ears of South Amer- 
ican maize. A. Coroico maize, Coroico, Bolivia. 
B. Coroico maize, Coroico, Bolivia. C. Guarani 
maize, yellow flour, Concepcion, Paraguay. D. 
Guarani maize, white flint, Concepcion, Paraguay. 
EK. Guarani maize, with characters approaching 
Coroico, near Robore, Bolivia. F. Guarani maize, 
with characters approaching Coroico, near Robore, 
Bolivia. G. Guarani maize, with characters ap- 
proaching Coroico, near Magdalena de Itenez, 
Bolivia. H. Coastal Flint maize, State of Maran- 
hao, Brazil. I. Coastal Flint maize with Guarani 
influence, State of Ceara, Brazil. 
