43 
duction to Mr. Rigby, the Assistant Resident fee there, to 
whom we are indebted for various courtesies. atling’s Island is 
about twelve miles long and six miles wide and a ears 
part of its area is occupied by salt-water lakes or lagoons which 
have no obvious connection with the ocean. The bottoms of 
these shallow salt lakes are clothed with enormous quantities of 
the siphonaceous green alge, Batophora Oerstedi and Acetabulum 
crenulatum. Chara Hornemanni is also common. As you and 
Dr. Millspaugh spent four days last March in this western and 
northern part of Watling’s Island, we did not attempt to collect 
the land-plants here so thoroughly as we might have done other- 
wise ; nevertheless, specimens were taken rather freely and the 
esis seem to justify the trouble, as certain species were found 
in better condition for collecting in November than they had 
been in the previous March. The following day, the twenty-sixth, 
was spent in the vicinity of Graham’s Harbor, near the north- 
eastern extremity of the island, not far from the monument on 
the eastern shore marking the spot where Christopher Columbus 
is supposed to have ‘first set foot upon the soil of the New 
World.” Returning on the evening of the same day to Cock- 
burn Town, we proceeded the next morning to the southeastern 
end of the island, a part which was not visited by the expedition 
of last spring. Four days, accordingly, were spent here and ex- 
tensive collections were made. A plant of special interest here 
was Euphorbia vaginulata Griseb., which was quite common on 
the sands a short distance back from the coast. This was for 
many years known only from the Turk Islands, where it was 
obtained in 1858 by J. A. Hjalmarson, who spent fourteen days 
there in collecting materials which were used by Grisebach in 
preparing his “ Flora of the British West Indian Islands.” The 
plant is now well represented in our herbarium, having been taken 
by Mr. Nash and Mr. Taylor on Great Inagua and Little Inagua 
in 1904 and by them also in the type locality in 1905. It was 
found by us also at South Caicos and on Castle Island. Grow- 
ing in the sand back from the shore, this species of Euphorbia 
develops into a shrub with a height of from one to nearly three 
feet, but occurring, as it sometimes does, on exposed littoral 
