ALIEN PLANTS 41 
*Cutandta incrassata, Salz.; *C. divaricata, Desf.; * Festuca 
clavata, Moench (Vulpia geniculata, Link.), all identified at 
Kew; and 
F. tenuiflora, Schrader (Nardurus maritimus, Mutrb.), 
named by Professor Hackel ; near Musselburgh, Midlothian ; 
several of each. 
Bromus rubens, L.—On reclaimed ground at the Esk 
mouth, Midlothian ; several. 
B. squarrosus, L., var. villosus, Koch; and *Brachypodium 
vamosum, R. and S.—Near Musselburgh, Midlothian ; several 
of each. 
Carex helvola, Blytt. By Arthur Bennett, A.L.5. 
CAREX HELVOLA, Blytt, ap. Fries, “ Bot. Notiser” (1849), 
1s 56. 
‘* Spica composita, spiculus subquinis linearibus confertus 
(distinctus imbricatis), conformibus, distigimatibus, terminali 
basi mascula ; bracteis evaginalus, membranaceis, brevissi- 
mus ; squamis ovatis, acutis ; fructibus basi cuneata ovatis, 
glabris, in rostrum compressum subinteginus attenuatis.” 
—‘Bot. Not.,” /.c.; Fries, “Herb. Nor.,” fasc. xiii., No. 85, 1849. 
C. canescens x lagopina, Kihlman. 
C. curta x lagopina. 
C. curta x Lachenaliz, “Flora Danica,’ 
1853. 
In the Transactions of the Society in 1886 I first recorded 
this as a Scottish plant, gathered by Professor J. H. Balfour 
in 1846 on Lochnagar. 
In 1897 Mr. Druce gathered it on Ben Lawers in Perthshire 
(14), and published an account of it (15). 
In 1906 the Rev. E. S. Marshall (18) gathered it on 
Lochnagar. “In the great corrie which faces north (above 
Loch-an-Ean) it grew in wet ground associated with C. 
canescens var. fallax. A fine patch of C. Lachenalit (lago- 
pina) grew within 20 to 30 yards of it, so the hybridity was 
easy to account for. Alt. 3500 feet (27/7/1906), in an alpine 
bog associated with C. varzflora, Sm., above the same corrie, 
in much wetter ground, so that the specimens were on an 
’ 
Supp, & (232, 
