DROSERA 219 



Sempervivttm majus, Ger. Em, 510 (1633). Comp. Cyh. Br, 516, Syme, E, B. 

 iv. 60, t, 538. Nyman, 258. Baxt. t. 401, Fl. Oxf. 125. 

 Alien. Old walls, cottage roofs. Scattered through the county, but wdthout 



the slightest claim to be considered a native plant, P. June-August. 

 First record, S. tectorum, Dr. Noehden in Mavor's Agr. Berks, 1809, Soxith 

 Hinksey, Mr. Baxter. 1831, In nearly every village, planted to protect 

 the buildings from lightning — good for the sting of a bee, Mr, J. Lousley 

 in RusselVs Cat. 1839. 

 It is found in all the bordering counties, as a doubtfully naturalized plant. 



DROSERACEAE, DC, Theor. Elem. i. 214 (1813). 

 DROSERA, Linn. Gen. n. 351 {Eos Solis, Tournefort, Inst. t. 127). 



D. rotundifolia, Linn. Sp. PL 281 (1753). Sundew. 



Top. Bot, 59. Syme, E. B, ii. 30, t. 182. Nyman, 82. Fl. Oxf. 144. 



Native. Uliginal. Bogs and wet heathy ground. Very local and 



rare in the northern, local in the central, very local in the eastern, 



but common and generally distributed in the south-western part 



of the county, P. May-September. 

 First record. Kound-leaved Sundew. . . Likewise upon a Bog in Bagley 



Wood between Oxford and Abingdon, W. Coles, Adam in Eden. 152, 



1657. 



2. Ock. Bagley Wood, Coles, 1657 (still there in 1896). Bos SoHs. 



Growes in a bog in Chilsey (Childswell) hills, MS. in Lyte's- 

 Herball, 1660 (still there in 1896}. Frilford Heath, Fl. Oxf. 

 Cothill Bog. 



3. Pang. Cold Ash Common, Russell's Cat. Fence Wood, W. M. Rogers. 



4. Kennet. Bogs on Snelsmore Common, Russell's Cat. Greenham 



Common, Rupert Jones. Mortimer, Tufnail. Crookham Common, 

 Stubbs in Britt. Contr. Wickham, Mrs. Batson. Aldermaston. 

 Common in the bogs of the district. 



5. Loddon. Bulmarsh, Rudge, Herb. Brit. Mus. i8oo. Ascot, Wilkin. 



Wellington College, Penny and Dr. H. Kingsley. Sunninghill Bog. 

 Swinley. Whitemoor Bog. Common in the bogs of the district. 

 The so-called variety ramosa, in which the peduncle is branched, 

 occurs near Sandhurst, &c. 



D. rotundifolia is recorded for all the bordering counties, but it is 

 almost certainly extinct in Oxfordshire. 



D. long-ifolia, Linn. Sp. PI. 282 (1753), not of Koch or Hayne. Long- 

 leaved Sundew. 



D. intermedia, Dreves & Hayne, Botan. Bilderbuch, iii. 43 (1798), t. 75. 



Top. Bot. 59. Syme, E. B, ii, 33, t. 184. Nyman, 82, Fl. Oxf. 44. 



Native. Uliginal. Bogs and w^et heathy jjlaces. Locally common, 

 but with a more restricted area than B. rotundifolia. P. May- 

 August. 



