44 



VARIOUvS FOOD-PLANTS 



Fig. 32.— Brazil Nut (BrrthoUd'ui cxccha, MyrW- F;imily, il///r/</rmO. 

 .4, flower-cluster and leaf. B, expanding flower-bud \-iewed from, below 

 showing the under side of the two sepals. C\ the same from above, 

 showing upper aide of sepals, and the six petals. D. the numerous 

 stamens united by their filaments into a hoodlike bod\'. E, vippor part 

 of a stamen enlarged. F, 'u-ary eut aeross, to show the four cavities 

 containing (ivules. '/, o single one of thes<- ca\-ities cut into lengthwise, 

 giving a side \-icw of tin- o\-ulrs, ctilargiMl. //, fruit, with the upper 

 part of it.s thii'k sjihcrir'al A^'all reim )\'cd to shi>w tln' seeds within, 

 packed about a central spindle. A iiart of the ovitcr, softer layer of the 

 ■\^'all is torn a'\\"a\' in front, showing the channelli-d surface of the very 

 hard inner layer. ./, the central s|)inillf. K, a nut in side view. L, the 



