56 THE ALGA-FLORA OF CAMBRIDGESHIRE. 
Island,’ ah af Botanisk Tidsskr. Bd. 22, hft. 2, Kjobenhavn, 
1898, 136, f. 2.) 
a = Boson (Le Cl.) Bréb. 3. Sheep’s Green, Cambridge. 
dH. Lanpsporovent (Hass.) Kitz, 2. Dernford Fen, 1 mile 
8. of "Shelford. 
Fam. CyLinpRocaPsacE&. 
*21. Cy~inpRocaPsa GEMINELLA Wolle, var. minor Hansg. Very 
scarce. 8. Sheep’s Green, Cambridge. 6. Roswell Pits, Ely. 
Crass. cell. veget. 15 p. Distrib.— Bohemia and United States. 
Order SrpHonex. 
Fam. VavucHERIACEz. 
22. Vaucnerra sesstuis (Vauch.) DC. 3. Sheep’s hen Cam- 
bridge; Orwell; Wimpole Park. 5. Chippenham Fen. Guy- 
hirne. Ina gathering of ae pene from Sheep's Green, eke oe 
in July, 1898, some curious globular swellings were noticed at 
intervals in many of the laments, frequently situated ee close 
to the oogonia, and generally giving rise to one e branches 
of ier den Sah se ae were most probably ‘“ atts” a " prodaaa by 
. the Rot 
. V. picnoroma (L.) Ag. 4. River Cam, between the “ Pike 
and] Bal” wits ‘rarer 5. Burwell Load. 8. In ponds, Guyhirne. 
a4, V~ tris Lyngb. 2. Great Shelford, by the road- 
side. 6. Near E Ely, 6 on deatey ground. 
Fam. gia point 
5. Borryprum cranutatum (L.) Grev. 4. Abundant on mud 
in a ies ditch by ros aide - the Madingley Road, about 1 mile 
from Cambridge: Oct. 1 5. Between Swaffham Prior and the 
Beacon Course Newmarket Heath, on drying-up chalk mud: July, 
1895; W. West, Jun si 
Order Conrervoriwex Isocamz. 
Fam. Utvacez. 
- Prastona ortspa (Lightf.) Ag. 1. Trumpington Street, 
Cambridge 
ia MORPHA INTESTINALIs (L.) Link. This plant appears 
to jedacaly bacon, in the rivers and drain-dykes throughout 
the county. 38. R. Cam, Sheep’s Green, 4. R. Cam at Baitsbite. 
5. Burwell Load. 6. R. Ouse, Ely; Sutton and Meret, in es 
7. The Washes, Sutton; Old ae Nene, March. 8. Guyhi 
Fam. Unorricnaces. 
Subfam. Uxorricues. 
. Hormipium PaRIETINUM Sarna ) Kitz. 1. Frequent about 
cambridge. * Burwell. 7. 
oe CIA SUBTILIS (Kitz, ‘De Toni. 5. Chippenham Fen. 
ar. pore my itz.) Kirchn. Syn. Ulothrix variabilis Kitz. 
i, Ganbridge. oton; Wimpole Park, 
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ry 
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