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Transcription
Washington Island, June 9-13, 1964
June 9, 1964 - Plant collections were made by C.D. Hackman and D. Gill
along the path leading around the north side of the island while C.R.
Long and P. Marshall collected along the road which borders the south
side of the island. The two endemic birds were seen by both parties. A
Cyperus with a white head was found growing in waste areas along the road
on the west and north . The trunks of Cocos support a number of lichens and
mosses which are particularly thick on the wet sides of the trunk ( where
water drains from the fronds and the crown of the tree). The Cocos plantation
is serviced by roadways which branch off of the shore road in towards the
vegetated rim of the atoll and the lagoon. These are very damp and support
a roadside vegetation composed of Polypodium, Nephrolepis, Asplenium, Syn-
edrella, Cynodon and Fleurya. One bracket fungus and several capped fungi
were observed and collected - all growing on Cocos. Mr. William Frew,-the
resident manager for the Burns, Philp Co., Ltd. was kind enough to provide
bed and board for several days.
June 10, 1964 - With the assistance of P. Marshall and D. Gill peat samples
were gathered from the west bog. Plant collections were made from the west
bog, the canal leading northeast into the open bog and, later in the after-
noon, from the waste areas immediately behind the village.
June 11, 1964 - Peat samples were taken from the bog bordering thefresh-
water lagoon. Mr. Frew arranged for the writer to have the use of a small
boat with outboard motor in order to cross the lake and visit Te Manounou
on the east end of the island. The Cocos forest, propagating itself, comes
directly to the waters edge. In a few isolated areas on the north and south
shores of the lake there are Scirpus reeds growing near the shore or continu-
ous with the shore. More often these clumps of reeds are found out from the
shore in up to one foot of water - rooted in muck on top of what were at one
time coral heads of the lagoon. Canals and locks on the southwest and east
sides of the island are used to regulate the water level of the lake during
the rainy season. At this season the bog is in some places about a foot above
the water level of the lake. At other times the entire bog is under water.
At the entrance to the canal on the east was growing a shrubby member of the
Onagraceae. Our reference for topography and direction was a map made by
Captain Brett Hilder. A copy of this map has been forwarded to us courtesy of
the Burns, Philp Co., Ltd. While the succession at the north, east and south
sides of the lake may be quite slow, it was noted that both Cocos and Pandanus
were forming a line of elevated vegetation on the west end of the lake. This
extends from the forest on the south to the canal (but thinning). The east and
west portions of the bog are separated by a peninsula of forest which is well
established. Collections were made on the east shore. The Pisonia trees on
the beachrock at the east end are reproducing themselves. Along the east shore
the Messerschmidtia and Pisonia give excellent examples of wind shearing of
vegetation. Along the canal on the east were noted large Cyrtosperma, bread-
fruit, and young Pandanus. Large areas of the forest as well as the open bog
are covered with Polypodium. The red-footed boobies nest in the Pisonia and
Messerschmidtia on the east end. One correction to Hilder's map would be
that the peat in some areas is in excess of 6 ft..