410 FLORA OF OXFORDSHIRE. 
Not in Oxfordshire apparently, but plentiful about Bagley Wood and 
Wootton in Berks. Its true affinities are certain Indian and South 
American species, not such plants as our D, rubellus and luridus, which 
rather pertain to Trichostomum. It should occur in the Nettlebed region. 
EUCLADIUM, Sch. 
E. verticillatum, Linn. (Weissia.) 
Sluices and dripping places in limestone banks and rocks; rare here. 
June. By the spring in Wychwood Forest; by the Windrush near 
Witney; banks of the Canal near Kidlington and Heyford. 
LEPTOTRICHUM, Hampe. 
L. flexicaule, Hampe. 
Trichostomum, Hook. & Tayl.; Ditrichum, Hampe. 
Dry limestone banks, calcareous rocks; the fruit unknown in Britain. 
Wychwood Forest ; St. Kitt’s Quarries, Burford ; Stonesfield, on debris of 
quarries; Holton Stone Pits; near Stokenchurch. 
TRICHOSTOMUM, Sm. 
T. rubellum, C. Mull. (Didymodon, Br. & Sch.) 
Weissia curvirostris, H. & T. 
Shady old walls, banks, stones ; occasionally on thatch and about trees. 
October, November. Wychwood; Yarnton; Kirtlington; Iffley and 
Rose Hill; Headington Wick Copse; Stanton St. John, etc. Buckland, 
and Wytham, Berks. 
T. luridum. 
Didymodon luridus, Hornsch. 
Caleareous walls, apparently rare throughout Britain: not fertile in 
Oxon as yet. Winter. Ascott-under-Wychwood; near Hailey; Witney; 
Headington Hill; Sandford Lasher; Cumnor. Always scanty, and 
apparently all male plants. 
T. crispulum, Bruch. 
Limestone rocks and banks, chiefly near the sea, where it forms dense 
tufts. It occurs in single plants, scattered among grass at Holton Stone 
Pits and may perhaps be found some time in the Stokenchurch region. 
T. tophaceum, Brid. 
Wet and dripping walls and banks of streams. Fruit November to 
February. Near Witney; Canal banks; Bullingdon Bog; roadside, 
Headington Hill near the new reservoir, 1880, ’81, fruiting copiously. 
