APPENDIX. 545 



Portland Spukge — [Euphorbia Fortlandica.) 



Stems several, three to twelve inches high ; leaves narrow, thin, pale green or 

 glaucous. Umbel of five raj'S, S23reading, and repeatedly forked ; bracts all very 

 broadly cordate. Seeds pitted. Fl. July, August. Abundant at Southport. 

 (E. B. vii. 4il.) 



CXVIII.— THE POPLAR FAMILY. SalicacecB. 



f Dwarf Silvery Willow — {Salix argentea. Flora, p. 379.) 



Stems much branched, one to four feet high ; the young shoots and foliage 

 more or less white with silky down. Leaves oval or lanceolate, above an inch 

 long. Abundant among the sand-hills all along the coast. Fl. April, May. 

 (E. B. xix. 13Gi.) 



CXXVIT.— THE ORCHIS FAMILY. Orchidacea. 



Marsh Epipactis — [Epipactis palustris.) 



Distinguished from the Epipactis latifolia (Flora, p. 393) by all the bracts 

 being shorter than the flowers, the lower ones in the latifolia being longer. The 

 raceme is closer, not one-sided ; the leaves narrower, and the plant smaller 

 generally. Fl. July, August. (E. B. iv. 270.) 



CXXXIIL— THE ALISMA FAMILY. Alismdcea. 



* Sea Triglochin — [Triglochin maritimum.) 



Distinguished from the marsh triglochin (Flora, p. 404) by the six-celled cap- 

 sule, that of the latter being three-celled. (E. B. iv. 255.) 



f Umbelled Alisma — [Alisma ranimculoides. Flora, p. 404.) 



Common at Southport. 



CXLIV.— THE GRASS FAMILY. GmmindcecB. 

 * Sea Cax's-tail — (Phleum arenarium.) 



Distinguished from the meadow cat's-tail {Phleum pratense, Flora, p. 431) by its 

 annual root, and spike not exceeding an inch and a half in length. Fl. June. 

 Common on the sand-hills. (E. B. iv. 222.) 



* Sea Wheat-grass — [Triticum junceum.) 

 Straws and leaves eighteen inches to two feet high ; raceme four to six inches 

 long, consisting of a few rather distant and large spikelets. Fl. August. Hah. 

 sand-hills. (E. B. xii. .314.) 



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