Algse of the English Lake District. By Wm. West. 729 
C. subspeciosum Nordst. H. 
*G. supraspeciosum Wolle, 
var. emarginattjm var. n. Fig. 24. 
Yar. minor, crenis distincte emarginatis, sinu extremo 
ampliato. Pyrenoidibus binis. 
Long. 61 p ; lat. 52 p; lat. isthm. 18 p. B. 
G. isthmium West. L. 
G. moniliforme (Turp.) Ralfs. B., Crummock Water, Ennerdale. 
* forma panduriformis Heimerl (Desmidiaceae Alpinae, 
p. 12, tab. v. f. 11). B. 
G. contr actum Kirchn. Bn. 
G. globosum Buln. Sk., near Cockermouth. 
C. morsum sp. n. Fig. 10. 
C. mediocre, diametro circiter duplo longins, leviter con- 
strictum, incisura mediana semicirculari ; semicellnlae semi- 
ellipticae, angnlis inferioribns subacutis ; a vertice visae latissime 
ellipticae ; a latere visae snbcirculares lateribus subcompressis ; 
membrana laevis. 
Long. 40' 5 p ; lat. 23*2 p ; lat. isthm. 15*5 p; crass. 
20*2 p. Bn. 
G. connatum Breb. Bo., C., Hk., Bassenth waite Water. 
var. truncatum West. Hk. 
G. pseudoconnatum Nordst. L. 
G. viride (Corda) Joshua. Ennerdale. 
G. pseudarctoum Nordst. Fig. 16. Hk., W., H., L,, Pike of 
Bliscoe. 
G. cucurbit a Breb. Common. 
Forma major et latior. 
Long. 42 p ; lat. 27 p. L., Grisedale Tarn, Kirk Fell, 
Brandreth. 
G. palangula Breb. 
var. Be Baryi Rabh. Hk. 
G. obcuneatum West. 
Forma minor latior lateribus leviter concavis. Membrana 
laevis. 
Long. 30 p; lat. 16-17 p; lat. isthm. 13-14 p. Fig. 8. 
H., Bn., L., Grisedale Tarn, Pike of Bliscoe. 
G. Thwaitesii Balfs. H., S. 
G. turgidum Breb. Hk. 
var. subrotundum var. n. 
Yar. duplo longius quam latius ; semicellulis subro- 
tundis. 
Long. 140 p ; lat. 77 p ; lat. isthm. 60 p. Bn. 
G. Balfsii Breb. Sk., Hk., Brandreth, Grisedale Tarn. 
G. Gucumis Corda. Yery frequent. Occurs up to 2400 ft. on 
Helvellyn. 
forma major Nordst. H. (at 2400 ft.). 
3 D 
1892. 
