xi, c, 5 Merrill: Reliquiae Robinsonianae 245 
species, and on the basis of data supplied by him, arrangments 
were made to extend his time in Amboina until the first of June, 
1914, thus giving him nearly a year in the field. The work he 
actually accomplished in his four and one-half months in Amboina 
has been of inestimable value in determining the status of the 
numerous Rumphian species, but his collections would have been 
far more valuable had he been spared to complete his task. 
It was no part of my plan to work this Amboina material, 
for the final reports were to have been prepared for publication 
by Doctor Robinson. However, owing to the unforeseen and 
unfortunate ending of the Amboina exploration it has devolved 
upon me to complete the work that was made possible by the 
material and data secured by Doctor Robinson. 
The present contribution is not, and from its very nature 
cannot be considered, more than a mere contribution to our 
knowledge of the flora of Amboina. None of the numerous 
species described and figured by Rumphius are included. How- 
ever, under the circumstances associated with the untimely death 
of Doctor Robinson, it has been deemed expedient to compile 
an enumeration of the miscellaneous material included in his 
collections. While the enumeration is practically complete for 
higher plants represented in the Reliquiae Robinsonianae 
series, this statement does not hold true for the cellular crypto- 
gams. In the Reliquiae Robinsonianae series there are 1,142 
numbers — nearly twice as many as in the Plantae Runvphianae 
Amboinenses. About 217 of these are fungi; 72 are mosses; 
54, hepatics; and 14, algae. Owing to the unsettled conditions 
brought about by the present war, it has not been possible to 
include in the present paper more than an enumeration of the 
lichens among the cellular cryptogams. The manuscript report 
on the mosses, prepared by Doctor Brotherus, of Helsingfors, 
Finland, has been lost or destroyed in transit ; the hepatics have 
not been submitted to any specialist; the algae still remain 
unidentified; while the report on the fungi, which were placed 
in the hands of Doctor Sydow only after many difficulties had 
been overcome, and then only after the third attempt, has been 
retained either for publication in Europe or for transmission 
when conditions shall have again become normal. Likewise, in 
the present paper, the Pteridophytes have not been included, as 
these plants have already been enumerated by Captain C. R. W. K. 
van Alderwerelt van Rosenburgh. 5 Reports on the Orchidaceae 
‘ The Amboina Pteridophyta collected by C. B. Robinson. Philip. Journ. 
Sci. 11 (1916) Bot. 101-123, t. 5, 6. 
