124 



Pomona College Journal of Economic Botany 



north-eastern South America to the Island of Trinidad." — Cook and Collins, 

 Economic Plants of Porto Rico, Contrib. U. S. Nat. Herb. 8, 2 p. 91, 1903. 



"Bertholletia Humb. and Bonp. — Tall trees. One or two species South 

 America. 



"a. B. excelsa Humb. and Bonp. — Seeds, Brazil nuts, Para nuts, Cream 

 nuts, Nigger toes, Castana nuts . . ." — Lyons, A. B., Plant Names, Scientific and 

 Popular, 2d Ed. p. 71. 



"Bertholletia — Brazil nut, Para nut, Cream nut, Nigger toe — Species 2, 

 both of which furnish Brazil nuts . . ." — Hastings, G. T., in Bailey's Cyc. of 

 Hort. 



Figure 46. Reproduction of Mr. J. Miers drawings of Bertholletia, copied half size 

 from Trans. Linn. Soc. XXX PL 37. Figs. 1-3, B. excelsa. Fig. I, Pyxidium cut 

 open to show structure. Fig. 2, Section of opercular opening. Fig. 3, Operculum. 

 Figs. 4-7, B. nobilis. Fig. 4, Pyxidium cut open to show structure. Fig. 5, Section 

 of opercular opening. Fig. 6, Operculum. Fig. 7, Nuts. Published with the 

 consent of the Lumaean Society of London. 



