JOUENAL 
OF THE 
ROYAL MICROSCOPICAL SOCIETY. 
FEBEUARY 1890. 
TRANSACTIONS OF THE SOCIETY. 
I . — Freshwater Algse and Schizophtjcese of Hampshire and 
Devonshire. 
By Alfred W. Bennett, M.A., B.Sc., F.L.S., F.R.M.S., 
Lecturer on Botany at St. Thomas’s Hospital. 
{Bead llth December, 1889.) 
Plate I. 
The gatherings of which the results are given in this paper were 
made in August 1888 and August 1889 ; the species observed in 
Hampshire are indicated by the letter H, those in Devonshire by D. 
Unless otherwise stated, the locality for the former is bogs and streams 
in the New Forest, in the neighbourhood of Lyndhurst ; for the latter 
the south-eastern corner of Dartmoor and its outskirts, in the neigh- 
bourhood of Bovey Tracey and Buckfastleigh. Both in Desmids and 
in other families of Algae the Hampshire localities were decidedly the 
richer, and I am unable to account for the comparative poverty of the 
Dartmoor gatherings, both in individuals and in species. The most 
EXPLANATION OF PLATE I. 
(All multiplied 200 diameters unless otherwise stated.) 
Fig. 1. — Glochiococcus insignis (De Ton.) Reinsch. 
,, 2. — Schizothrix anglica n. sp. (x 400). 
„ 3. — Scytonema figuratum Ag. ( X 300) ; a, hormogone. 
„ 4. — „ „ ( X 400) ; b, heterocyst. 
„ 5. — Staurogeneis rectangularis A. Br. 
„ 6. — Rhizoclonium geminatum n. sp. ( X 100). 
„ 7.— „ „ (X 000). 
„ 8. — Micrasterias denticulata Breb. var. intermedia n. var. 
„ 9. — „ rotata Ralfs var. urnigera n. var. 
„ 10. — „ truncata Breb. var. 
„ 11. — „ crenata Breb. var. 
„ 12. — „ „ Bre'b. var. 
„ 13. — „ crux~melitensis Men. 
„ 14. — Euastrum crasso-humerosum n. var. 
„ 15. — Cosmarium homalodermum Nordst. 
1890. 
B 
