Guinea-fowl abounded, but no grain could be purchased, for the people had cultivated only the holmes along the banks with maize and pumpkins.
"A Popular Account of Dr. Livingstone's Expedition to the Zambesi and Its Tributaries And of the Discovery of the Lakes Shirwa and Nyassa (1858-1864)" by David Livingstone
In this voyage there were brought home, in 1563, 166 elephants teeth, weighing 1758 libs, and 22 buts full of grains, or Guinea pepper.
"A General History and Collection of Voyages and Travels, Volume VII" by Robert Kerr
The taste of these Guinea grains is aromatic and vehemently hot or peppery.
"The Commercial Products of the Vegetable Kingdom" by P. L. Simmonds
Their food consists principally of the grains ghaseb and ghafouley, or guinea-corn.
"Narrative of a Mission to Central Africa Performed in the Years 1850-51, Volume 2" by James Richardson
The other kind, the ordinary Guinea grain of commerce, comes from Sierra Leone and Liberia.
"West African studies" by Mary Henrietta Kingsley