LEE : FLORA OF DEWSBURY. 243. 



1313. Populus tremula L. Aspen. 



1 3 14. Populus nigra L. Black poplar. Plantations, &c., 



not indigenous. 



1316. Ceratophyllum demersum L. Hornwort. Dis- 

 used lock, canal, Healey, near Horbury. 



1321. Pinus sylvestris L. Scotch fir. A group of four 

 fast-dying old trees, Coxley Valley. Indigenous ? 



1323. Elodea canadensis Michx. Water-thyme. Canal, 

 ponds, &c. 



1331. Listera ovata Br. Tway-blade. Rare. Coxley Val- 

 ley (W. Rushforth). 



1340. Epipactis latifolia Sw. Helleborine. Coxley Wood ; 

 abundant in a copse near Bretton. 



1352. Orchis mascula L. Purple orchis. Coxley Valley. 



1356. Orchis maculata L. Spotted orchis. Moist meadows, 

 Soothill ; Coxley Valley. 



1366. Habenaria viridis Br, Frog orchis. Rare. Coxley 

 Valley (W. Rushforth). 



1388. Tamus communis L. Black bryony. Hedges, 

 common. 



1407. Allium ursinum L. Garlic. Ramsons. 



1411. Scilla nutans Sm. Wild hyacinth. 



1425. Juncus bufonius L. Toad rush. Marshy places. 



1433. Juncus giaucus Ehrh. Hard rush. Margin of Coxley 

 Dam, &c. 



1435. Juncus effusus L. Softrush. Moist places. Thevar. 



1436. Juncus conglomeratus L. Undrained pastures. 

 1439. Juncus supinus Meench. Sharp-flowered jointed 



rush. Boggy ground, near Bretton. The erect 



variety 

 1439D. Juncus uliginosus Sibth. Pond, near Bretton. The 



sub-species, 

 1442. Juncus iamprocarpus Ehrh. Shining-fruited jointed 



rush, Coxley Dam. The tall form, with leaves very 



conspicuously jointed when dry, 



