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[.241 ] 
XXXIII. ^ Lmerfrarn John Hope, MvD. 
R. iS» P f'ojejj'or of P hyfic cthd Pdtajvy 
in the Vmverfty (^Edinburgh, William 
Watfoii, ]\P, I), F, R, S, on a rare P/a?^ 
foundln the IJle of Skye. 
Sir, 
Read May 4,|- SEND you, ificlofed, a defcriptioti 
' ■ of a rare plant, with a print of it of the 
natural fize. 
It^ was found, September 1768, in a fmall lake in 
the ifland of Skye, by James Robertfon^, whotn 
I had fent there in learch of new or rare plants. 
The whole of it, except the head and top of the 
flalk, was under the furface of the v/ater. Where- 
ever the water was flaallow, the bottom of the lake 
was^ covered with this plant, whofe roots were lb 
clofely interwoven, that in fome places large patches 
were torn up by the agitation of the waters, or 
other violence, and found floating on the furface, 
matted tocyether. 
The plant, when feen without its flowering flem, 
refembles fomewhat the Calamaria DHL Hiftor, 
* Mr. James Robertfon is an eleveof mine, and has been em- 
ployed by the commiffioners of the annexed ellates to make a bo- 
tanical furvey of the diftant parts of Scotland. 
VoL. LIX. I i 
Mufc, 
