MONOCOTYLEDONES. 81 
442. E. MULTICAULIS (Sm.), Speke-rush. 
Marshes above Ryssa, Walls (Dr Boswell). 
Genus CCV.—SCIRPUS (Linn.), Club-rush. 
443. S. LACUSTRIS (Linn.), Bul-rush. 
In lochs of Aikerness ; Newark, Sanday ; Bosquoy, 
Harray ; Banks, Birsay ; Wasbister, Rousay. 
444. S. TABERNASMONTANI (Gmel.), Bul-rush. Rare. 
Barn of Scapa (Dr Duguid), Loch of Graemeshall 
(29th July 1910, M. Spence). 
445. 5S. SETACEUS (Linn.), Bristle Mud-rush. Not 
frequent. 
My specimens are from Berriedale, Hoy, per Dr 
Flett ; from bog above Wood Cottage, Deerness; and 
from bog below Ocilster, Holm. 
446. 8. FLUITANS (Linn.), Floating Mud-rush. Not 
common. 
Walls; Loch of Knitchin, Rousay. Dr Grant sent 
me specimens from near Stromness. 
447. S. PAUCIFLORIS (Lightf.), Spike-rush. 
Harray (Prof. Trail). Fairly abundant on hill 
between Syradale and Redland, Firth. 
445. S. caspitosus (Linn.), Sculy Sprke-rush. 
Common. 
Genus CCVI.—ERIOPHORUM (Linn.), Cotton-grass. 
449. EK. VAGINATUM (Linn.), Cotton-grass. Common. 
450. E. ANGUSTIFOLIUM (Roth.), Common Cotton- 
grass. Common. 
G 
