A Journey in search of " Heuea Spruceana ;" 
with Remarks on India Rubber and Gutta Per- 
cha yielding plants generally. 
By G. S. Jenman, F.L.S., Government Botanist of British Guiana. 
SHORT time ago, the Governor of Trinidad hav- 
ing made application to the Governor of this 
colony to be supplied with seed of Hevea spruce- 
ana in exchange for some seeds and plants contributed to 
our Botanic Gardens, I was requested by His Excellency 
to take steps to procure this seed, together with seed of 
Iriartea exorrhiza, the Booba palm of Guiana, which was 
included in the requisition. From my previous experience 
I was aware that seeds of the Booba would not be obtain- 
able before October or November, but I was not acquainted 
with the fruiting season of the Hatie, which is the local 
Indian name of the required species of Hevea. 
I left town on the 7th September, 1880, prepared 
with the necessary appliances for collecting and preserv- 
ing both growing plants and herbarium specimens ; so that, 
in case of failure in my search for the Hevea seed, the 
journey might not be without profit. The run up the 
Essequibo river to the mouth of the Mazaruni was made 
against a heavy ebb tide, and it was consequently late in 
the afternoon when the steamer reached the Penal Set- 
