NOTES AND NEWS. 347 
Closterium scoticum n. sp. Frond long and narrow, for 
about {ths of the length of nearly the same diameter, tapering 
a little at the ends, which are expanded into rounded or 
rotundo-truncate ‘knobs.’ Suture 1, rarely 2, not central, 
and often complex, of 4-7 transverse strie. Membrane 
smooth, variable, either colourless, or from pale yellow to 
red-brown in tint. The frond is straight or but slightly 
curved ; very variable in size. Endochrome axillary, with 
a central line of corpuscles. Long. 260-489, lat. ro-13, lat. 
apic. 8°5-12°5 p. 
Var. 8 fusiforme. Almost straight, frond not so even in 
Seaanietee! decidedly fusiform. Long. 295-415, lat. 12°5-15 ; 
lat. apic. 9-11°5 ps. 
(This sp. seems nearest to C/. biclavatum Boerg.) 
Closterium balmacarense n. sp. Of medium size, slightly 
and regularly curved, gently attenuate, ends expanded and 
rotundo-truncate. Suture not central. Membrane smooth 
and colourless. _Endochrome in indistinct fillets, vesicles 
scattered. Long. 315-322, lat. 20-21, lat. apic. 16 p. 
8 minor, Long. 260, lat. 16, lat. apic. 12 p. 
Both these Closteria are from Balmacara, Scotland, legit 
_A. W. Wills, 1881. Fi igures will no doubt be published by 
Messrs. Roy and Bisset, in the ‘Scottish Desmidiez,’ es a 
I have sent them my drawings. 
I have also to report the very rare Penium panddrans 
_ DeNot. from Brant Fell, Bowness. Of this I have previously 
seen but one specimen, from America, sent to me by ad late 
_ kindly correspondent, the Rey. Fr. Wolle. 
ee - find oan: my friend Mr. Siege has named an Trish, 
the € of f my a 
es plant (Ind. Alg., a — ae will now ‘bear ~~ = 
name of — taurastrum invo! 
oe NOTES: AND NEWS. ae oe 
: ck 5 will be pleased to see ge anes of Mr. _ Henry Te ee 
= ee si i lic arones ta: sia a oe 
| he deals coal on Fre of Pagar n leesspermum D as observed 2 ee. 
