176 THE FRESHWATER ALG/h: OF ESSEX. 



BOTRYDIACE.^^:. 



Botrydium granulatum, Linn. Cooke, t. 65. In swampy 

 places, Kelvedon (E.C'.A'.). 



VAUCHERIACE-E. 



Vaucheria aversa, Hass. Cooke, t. 47, f. i. In ditches, 

 Kelvedon (E.G.V.). 



V. sericea, Syngb. Cooke, t. 47, f. 4. In pond. Messing 

 (E.G. v.). ■ 



V. dillwynii, Ag. Cooke, t. 47, f. 9, 10. On the ground, 

 Kelvedon (E.CA'.). 



V. sessilis, \'auch. Cooke, t. 48, f. i. War. oniithoccpliala^ 

 Hass. In stagnant water, Kelvedon (E.C.V.). \'ar. rcpcns, Hass. 

 On the ground, Royston (A.H.H.) ; Kelvedon (E.(t.\'.). 



V. geminata, \\auch. Cooke, t. 48, f. 6, 7. In ponds, Kel- 

 vedon (E.Cr.V.). Var. j-acez/iosa, \'auch. In ditches, Kelvedon 

 (E.(i.\^). Var. ovoidea, Hass. In ditches, Kelvedon (E.Cx.V.). 



V. hamata, \^auch. Cooke, t. 48, f. 10, 11. In ditches, Kel- 

 vedon (E.G. v.). 



V, terrestris, \''auch. Cooke, t. 49, f. i, 2. On damp soil, 

 Kelvedon (E.G.V.). 



ULVACE.^:. 



Prasiola crispa, Kutz. Cooke, t. 50, f. i. On damp ground, 

 Kelvedon (E.G. A'.). 



Enteromorpha intestinalis, Linn. Cooke, t. 51, f. i, 2. 

 In ditches, Kelvedon (E.Cl.A".); Walthamstow. 

 CONFERVACE.E. 



Microspora floccosa, Ag. Cooke, t. 53, f. 3. In stagnant 

 water. Birch Holt; Messing; Leering; Kelvedon (E.G.A"), 



M. vulgaris, Rabh. Cooke, t. 53, f. 2. In ditches. Snares- 

 brook. 



M. fugacissima, Ag. Cooke, t. 53, f. i. In ditches, WzX- 

 thamstow. 



Chaetomorpha linum, Roth. Cooke, t. 54, f. 2. In ditch, 

 Dovercourt ( L.( \.\. ). 



Conferva bombycina, Ag. Cooke, t. 53, f. 4. In ditches, 

 Snaresbrook. 



Cladophora crispata. Roth. Cooke, t. 55, f. 3. In pools, 

 Lelvedon (E.Ci.V.). 



C. glomerata, Linn. Cooke, t. 56, f. i. In streams, Kel- 

 vedon (PIG.V.) ; Walthamstow. 



