SPERGULA lOI 



Native, Agrestal. Cornfields chiefly on sandy soil. Locally abun- 

 dant. A. February-September. 



First record. Corn Spurrey, seeds nutritious to birds. Horses, 

 sheep, &c., eat the plant, which deserves more attention. Though 

 this plant is not yet cultivated in Berkshire it grows abundantly 

 in the county, and seed might be collected in any quantity. 

 Mavor's Ayr. Berks, 292, 1809. 

 The description in Baxter's Phaen. Botamj refers to this species, not 



to S. saliva. 



1. Isis. Near Faringdon. Coleshill. Longworth. Appleton. 



Tubnev, Walker. 



2. Ock. Wootton, Bosicell. Frilford. Boar's Hill. Near Coxwell. 



Cothill. Culham. Wittenham. 



3. Pang. Tilehurst. Near Streatley. Bucklebury. Englefield. 



Hermitage. 



4. Kennet. Brimpton. Newbury. Greenham. Padworth. Care. 



Near Riever Wood. Eiiborne. Theale. Near Reading. Wool- 

 hampton. Near Chieveley. Inkpen. 



5. Loddon. Sonning. Wokingham. Ambarrow, Farley Hill. 



Ascot. Sunninghill. Near Virginia Water. Wargrave. Near 

 Maidenhead. Broadmoor. Sandhurst. Coleman's Moor. Twyford. 

 Finchampstead. Sunningdale (var. maxima, We. he, in Boenn. 

 Prod. Fl. Monast. 136, as a species). 

 S. arvensis is recorded for all the bordering counties. 



S. sativa, Boenn. Prod. Fl. Monast. 135 (1824). Corn Spurretj. 



S. pentandra, Sm. E. B. t. 1536 (not of Linnaeus). S. arvensis, lar. 



sativa, Koch, Syn. Fl. Germ, no (1837). Sjme, E. B. ii. 127, 



t. 252 ; but the seeds belong to S. arvensis. 

 Native. Agrestal. Sandy fields. Very local. A. June-August. 

 First found in Berkshire by the author in 1890. See Journ. Boi. (1891), 



173-5- 



1. Isis. Coleshill, Bellamy. 



2. Ock. Boar's Hill, in sandy field growing with Silene anglica. 

 i. Kennet. Mortimer, Tvfnail. Brimpton. 



The chief characters which distinguish this plant from the foregoing 

 are derived from the seed, which in this is smooth and bordered 

 by a narrow wing, in S. arvensis is covered with small club-shaped 

 papillae. Since these characters are not altered by cultivation, and 

 the two forms have a different distribution, I have followed Boenning- 

 hausen, Lecoq, &c., in giving them specific rank ; the relationship 

 between them appears to be somewhat similar to that borne by 

 Sparganinm ereduni to S. neglectum. and by Stellaria media to S. umhrosa. 



For further information on the two species of Spergula the reader 



