DATUEA 361 



Hill. Frogmore. Bisham. Cookham. Maidenhead. Swallow- 

 field. Near Reading. Sonning. 



Var. LUTEO-viRESCENS (Gmel. Fl. Bad. iv. 177, as a species) = c/iZoro- 

 carpon, Speun. Fl. Frib. 1074. On rubbish at Oxford and at Abingdon. 



The outline of the leaves of S. nigrum varies considerably. 



S. nigrum is reported from all the bordering counties. 



HYOSCYAMUS, Linn. Gen. n. 219 (Tournefort, Inst. t. 42). 



H. nigrer, Linn. Sp. PI. 179 (1753), and of Gerard, 283. Henbane. 

 Top. Bot. 283. Syme, E. B. vi. 106, t. 936. Nyman, 524. Fl. Oxf. 207. 

 Native. Viatical. Roadsides, waste ground, bare places in woods 



and stone-pits. Rare and sporadic. B. May-August. 

 First record. H. niger, Dr. Noehden, in Mavor's Agr. Berks, 1809. 



1. Isis. Carsweli, Miss M. Niven. Cumnor. Open places in Wytham 



Wood. 



2. Oek. South Hinksey, near the Church, Baxter, 1827. Mareham. 



Walker. Near BagleyWood, Dyer. Cow Lane at West Hagbourn, 

 Louslcy in Russell's Cat. Abingdon on waste ground. Fine speci- 

 mens by the railway near Didcot. Grandpont. Cumnor. 

 Ferry Hinksey ;a casual). 



3. Pang. On Burnt Hill Common by a pond. In the street at 



Compton, Lousley, I. c. Streatley, Holland. Ilsley, Hewett's Hist. 

 On Streatley Warren at 400 feet. Near Compton. 



4. Kennet. Hampstead [Marshall] Park. Midgham Marsh, Bunny, 



in Bussell's Cat. Elcot, Reeks in Briit. Contr. Welford Park, 



Osmond. Newbury, Jackson. Greenham Mill, Weaver. Near 

 Wren's Farm, Shinfield. Reading Sewage Farm, Tufnail. 



5. Loddon. In the common pasture under Cookham Down. Pink- 



ney's Heath, Mill, Finchampstead, Penny. Park Place. Knowl 

 Hill, Stanton. Windsor, Everett. Shiplake. Stubbing's Heath. 

 Near Wellington College Station. Cockpoll Green, a solitary 

 specimen. 

 H. niger is found in all the bordering counties. 



DATURA, Linn. Gen. n. 218 {Stramonium, Tournefort, Inst. t. 43). 



'^D. Stramonium, Linu. Sp. PI. 179 (1753). Thorn Apple. 



Stramonium fructu ajyinoso ohlongo, flore albo, Tournefort, 119. 

 Comp. Cyb. Br. 538. Syme, E. B. vi. 103, t. 935. Nyman, 523. Fl. Oxf. 206. 

 Colonist. Waste ground and rich garden soil. Local and sporadic. A. 



June-October. 

 First recorded by Mr. Fardon in Bot. Guide, 1805, and in Mavoi^s Agr. 



Berks, 1809. 



1. Isis. Wytham. 



2. Ock. Deuchworth, Wait. Grandpont. Didcot. Abingdon. 



3. Pang. In a meadow near Reading, Fardon in Bot. Guide. Pangboum. 



Tilehurst. 



