jUNCus 497 



3. Pang. Compton Wood, Hewett's Hist. In a wood between South- 



ridge Farm and the Grotto, Basildon, Lousleij in Russell's Ca^. 1839. 



4. Kennet. Near Hampstead Marshall, Toomer in Russell's Cat. 



Coppice below Cxreenhani Chapel, Bicheno. West Woodhay, 

 Reeks. Sandleford Woods, Weaver. Abundant in Riever Wood. 

 Paris is scattered through the bordering counties. 



JUNCACEAE, Dumort. Comm. Bot. 66 (1822). 



Joncaceae, Vent. Tabl. 2, 150 (1799). 



JUNCUS, Linn. Gen. n. 396 (Tournefort, Inst. t. 127). 



J. bufonius, Linn. Sp. PL 328 (1753), and Herb. Toad Rush. 

 Top. Bot. 433. Syme, E. B. x. 34, t. 1572. Nyman, 749. Fl. Oxf. 312. 

 Native. Paludal, &c. Moist woods, pond-sides, heaths, especially 

 fond of situations where water has stood. Common and widely 

 distributed except on the bare chalk. A. June-August. 

 First record. Near Oxford, Sir Joseph Banks, 1760, and Sonning, ^Ir. S. 

 Rudge in Herb. Brit. Mus. 1800. Published as J. bufonius, Dr. 

 Noehden, in Mavors Agr. Berks, 1809. 



.7. bufonius is a variable plant. Among the principal forms found in 

 the county are — 



Var. FAScicuLATUs, Koch, Syn. Fl. Germ. 732 (1837). See Syme, 

 E. B. t. 1573 =-- J. mutabilis, Savi, Fl. Pis. i. 364, a form with the 

 flowers in fascicles of two or three, with shorter and stouter stem, 

 and with more divaricate panicle branches than the ordinary form, 

 has been noticed at Mortimer by Mr. Tufnail, and I have seen it at 

 Greenham, Snelsmore, Burghfield, Sandhurst, Theale, &c. ; but inter- 

 mediate forms between this and the next variety are more frequent. 



Var. EANAKius (Nees in Linnea, xx. (1847) 243, as a species), with 

 sub-solitary flowers and shorter perianth leaves', has been seen on the 

 Brewery Common, Mortimer, by Mr. Tufnail ; it occurs also at Brack- 

 nell, Broadmoor, &c. 



J. bufonius is found plentifully in all the bordering counties. 



J. sq.uarrosus, Linn. Sp. PI. 327 ( 1 753) and Herb. Heath Rush, Moss Rush. 

 Top. Bot. 434. Syme, E. B. x. 38, t. 1576. Nyman, 748. Fl. Oxf. 312. 

 Native. Ericetal. Heaths. Rare or absent from the north of the 



county, and not an abundant rush even in the southern heathy 



district. P. May-August. 

 First record. •/. squarrosus. Dr. Noehden, Mavor's Agr. Berks, 1809. 



3. Pang. Near Beedon, W. M. Rogers. Bucklebury Common, Tufnail. 



Cold Ash Common. Oare Common. 



4. Kennet. Newbury, Russell's Cat. 1839. Greenham Common. 



Kk 



