3 



British Guiana : Mazaruni River, Jenman, 725. 



Tig. 4, pistil and male flowers; 5, andrcecium and disk; 6, a female flower; 7, 

 perianth and disk, or staminodia. 



North Brazil : On the banks of the Uaupes River, Rio Negro, 

 Spruce, 2691. 



Fig. 8, a male flower; 9, andrcecium; 10, pistil. 



H. lutea, Muell. Arg. in Linncea, xxxiv. p. 205. H. apiculata, 

 Baill. Adansonia, iv. p. 285. H. peruviana, Lechler, ex Benth. et Hook, 

 f. Gen. PL iii. p. 290. Siphonia apiculata, Spruce, ex Baill. Adan- 

 sonia, iv. p. 285. S. lutea, Spruce, ex Benth. in Hook. Keiv Journ. 

 vi. (1854) p. 370. 



North Brazil : Near San Carlos on the Rio Negro, Spruce, 3139 

 (apiculata). 



Fig. 11, an expanded female flower and male flower buds ; 12, an expanded male 

 flower; 13, andrcecium ; 14, pistil. 



North Brazil : Mouth of Uaupes River, Rio Negro, Spruce, 

 2088 (lutea). 



Fig. 15, an expanded female flower and male flower-buds ; 16, young male flowers ; 

 17, andrcecium ; 18, pistil. 



East Peru : at 2,000 ft., Lechler, 2360 (peruviana). 



Fig. 19, female and male flower-buds ; 20, a male flower laid open ; 21, pistil. 



Figures all enlarged ; the flowers uniformly + 3. 



I 



