CONTRIBUTIONS TO A FLORA OF PORTLAND. 133 



S. ramosissima, Woods. Branched Glasswort. Native. I. 

 Mere near Admiralty Oil tanks, abundant, 1908. 



S. procumbens, Sm. Procumbent Glasswort. Native. I. 

 Local. Smallmouth. The Mere. 



S. radicans, Sm. Creeping Glasswort. Native. I. Rare and 

 local. First record 1857 ; H. Groves. On sand and 

 mud flats between Highroad and Chesil Bank. Mere 

 near Admiralty tanks, abundant, 1908. 



Suoeda fruticosa, Forsk. Shrubby Sea- Elite. Native. I. 

 Com. Found by Sir Thomas Brown, M.D., circa 1630 (?) ; 

 Ray. East side of Railway to Chesil, abundant. 



S. maritima, Dum. Annual Sea- Elite. Native. I. Com. 

 Mere shore, etc. II. East Weare under Prison ; F. 

 Raised beach near Bill. 

 Var. procumbens, Syme. I. Com. 



Salsola Kali, L. Saltwort. Native. I. Scarce. Noted, 

 Gibson in Flo. Dor. Ed. 2, p. 232. Near the Bridge and 

 by road to Chesil ; more plentiful formerly. 



Polygonum Convolvulus, L. Black Bindweed. Var. subu- 

 latum, V. Hall (pseudo-dumetorum, H. C. Wats.). 

 Native. II. Scarce. Cult, ground. 



P. aviculare, L. Common Knot-grass. Var. arenastrum, 

 (Bor). Native. I. II. Com. 

 Var. littorale (Link). I. Sands by the Bridge, 1880. 



P. Rail, Bab. Ray's Knot-grass. Native. I. Very rare. 

 " Chesil Bank, Portland ; " (meaning, doubtless, sands by 

 Bridge) ; Mansel-Pleydell in Flo. Dor. Ed. 2, p. 236, as 

 P. Roberti, Loisel. 



Rumex pulcher, L. Fiddle Dock. Native. II. Rare. Near 

 Castle, Castleton. North Verne. Roadsides Pennsyl- 

 vania Castle to Southwell. About Lower Lighthouse. 

 Always sparingly. 



Obs. R. Acetosa, L. Fruits called " Sour-dogs," in 

 Portland ; F. 



Thesium humifusum, DC. (linophyllum, L.). Bastard Toad- 

 flax. Native. II. Locally freq. On clay above 

 Castleton ; F. Top of Verne, in 1857, extending 



