218 



B. hrevifolia, mihi. This variety differs from the more common 

 state of Arenaria rubra in the intemodes of the stems and the leaves 

 being only about half the length, and in the flowers being more nu- 

 merous, &c. 



Common in the neighbourhood of Manchester, as at Kersal Moor, &c. 



2. Arenaria marina^ (Marine Sandwort). Stems procumbent, 

 smooth : leaves as long as the internodes, blunt at the point, semi- 

 cylindrical : capsule as long as the calyx : segments of the calyx 

 ovate, three-ribbed, ribs pellucid : seeds ear-shaped, thickened and 

 rough on their edges, depressed and nearly smooth in the middle, 

 nearly twice the size of those of Arenaria rubra. 



This appears to be somewhat rare ; some of my specimens are from the Yorkshire 

 coast at Bridlington and Scarborough, and others from near Liverpool. 



&. hirsuta, mihi. This differs from the above in the stems being 

 wholly covered with glandular hairs. 



My specimens are from Newlyn Cliff, near Penzance, Cornwall. 



3. Are?iaria media, (Smooth-seeded Sandwort). Stems procum- 

 bent, smooth : leaves as long as the internodes, blunt at the point, 

 semicylindrical, fleshy, flaccid when dry : capsule twice the length of 

 the calyx : segments of the calyx obovate, three-nerved, nerves pel- 

 lucid : seeds ear-shaped, smooth, much larger than those of Arenaria 

 marina, with a broad, white, striated border. 



This appears to be the most common of the three plants, as I have specimens from 

 the following localities, viz., North shore, Liverpool, Southport &c., Lancashire ; Wal- 

 lazey pool, Cheshire ; &c. I also have it from two three localities in Ireland, and 

 others from Scotland. 



If you should think the above remarks worthy a place in your peri- 

 odical, they are at your service. 



Yours, &c. 



Saml. Gibson. 

 To the Editor of ' The Phytologist.' 



Art. LXVI. — On tJie escape of Fluid from the Apex of the Leaf of 

 RicJiardia (cthiopica, Kunth, [Calla athiopica, Linn.) By 

 Edwin J. Quekett, Esq., F.L.S., B.S., &c. 



My attention having been directed to this fact by my friend Mr. 

 Ward, and having a large case constructed after his plan for the 

 growth of plants, T placed within it, in the summer, with numerous 



