NOTES ON ATLANTIC DIATOMACEE 275 
fruit and very green spikelets. The female glumes are membranous- 
(hyaline) bordered,”’ #. S. Marshall in litt.—C. limosa L. . Plentiful 
M.— 
by a hill-loch, north of Loch Moidart, S. M. C. pallescens L. 
Glen Suileag.—C. filiformis L. Near Ari 
Arisaig. 
traps flexuosa Trin. var. montana Hook. fil. Summit of 
i ressheaphgiten tunbridgense Sm. and H. unilaterale Bory. Grow- 
ing together on shady rocks under trees at Invermoidart ; the former 
seems to be oiley scarce so far north, “t M. M. 
Asplenium Adiantum-nigrum L., Trichomanes i., A. Ruta- 
muraria Li. Corpach. — A. marinum 7s Rocks near sea, Loch 
Moidart, S. M. M. 
Lastraa Oreopteris Presl. Corpach, abundan 
Phegopteris Dryopteris Fée and P. niegptabiias Fée. Inver- 
moidart, S. M. M. 
Equisetum Y pear L. Valley south of Meall Onfhaidh.— 
*E. hyemale L. Sparingly on Gulvain, at about 1750 ft. Mr. 
Bennett tells me it is very scarce in West Scotland, and its oceur- 
rence at this ae was previously unknown to him; see his 
article in Ann. Scott. Nat. Hist. for Fakansy, 1 
aoe. fi Coire 
L. A. With the tater oh aedteds not c ease” in a this district. 
—L. alpinum L. North cliffs of Stob a’ Ghrianain 
NOTES ON ATLANTIC DIATOMACE.* 
By George Murray, F.R.S. 
No fact of general bearing has been more clearly established by 
a year’s (1897) observations than the coastal character of the diatom 
flora of the ocean. . A few species were present in nearly every 
capt owever remote from land, e.g. Rhizosolenia styliformis 
Brightw., Coscinodiscus radiatus Ehrenb., and, in sm quantity, 
seus eifor . Rhizosolenia setigera Brightw., R. alata 
er in plenty. These diatoms in the order given 
were — characteristic of the ocean remote from land, never in 
principal material for the follow “notes was collected by Messrs. 
PR en: by the pumping ae : ae : 
Y 
