A FLORA OF GIBRALTAR AND THE NEIGHBOURHOOD 
th. Friesii G. & G. Damp grassy places; rare? 5-6. Panicle ® Q 
much as last, perianth segments spinose-dentate. III. ii. S.de 
Luna in Los Barrios district, Nilss 
R. pulcher L. Dry gravelly and sandy ground; common 
4-6. Panicle poi ven branched, leaves panduriform, perianth 
segments spinose- aoe ate. I. Near Farringdon’s! Governor's 
Cottage ! 
R. buzephalophorus L. Chiefly cultivated fields; very abun- 
dant; 4-5. LT 
Var. uss Wk isa perennantform. I. II. or IIT. Mobile 
sand at Gibraltar, and grassy places in the Bay, Wk. Il. D 
III. i. Sand desert, K., D. 
+R. thyrsoides Desf. (R. intermedius Guss., non DC.). Sandy 
and waste places; rather frequent; 4-5. Panicle — leaves 
lanceolate, fruit perianth ae entire. I.! III. i. Carteia! 
Alcadeza! ii.! iii. Salt 
'R. intermedius DC. no S Gua has quite linear leaves, and a — 
lax panicle. A specimen raed San Roque so labelled by Ball is 
pep 
anus L. In deep sand; rather local; 4-5. Leaves 
triangular beads often crenately incised. I. Boiss. Il. D 
III. i. Linea! Puente Mayorga! ii. Palmones Playazo! 
iii. Palmones Villa i 
+R. scutatus L. Rocky and stony places; rather rare; 4-5, 
I. Slopes over Europa! Rocks ona Europa Point! Devil’s 
+Var. glaucus DC. non Boiss. i very glaucous form, but 
not otherwise differing from type, wtih which it grows on the 
Rock ! 
Var. induratus Ball is very glaucous, the branchlets becoming 
indurated and spinescent, and outer perianth segments more 
reflexed. I. Rocks at Europa Point, K,, DP I think it probable 
Polygonum equisetiforme Sibth & Sm. ‘Sandy ground near 
sea; rare; 6-10. 3-4 ft., stem thick and woody, branches erect 
and vi Byatt. or sometimes ‘drooping, inflorescence leafless. III. i. 
age al! Guadarranque Ferry! ii. Palmones Playazo ! 
iii. Palmones Village! Guadacorte Marshes! 
.maritimum L. Deep sand near the sea; occasional, formerly 
frequent ; 4-11. I. North Front one Fence! an Bay! 
Il. K., D. II. i. Linea, K., D. ii. Algeciras, Née. iii. Pal- 
mones, K., D. 
P.aviculare L. Waste and cultivated ground; common; 4-11. 
Varies less than in Britain. I think var. agrestinum Jord. is 
common, and var. arenastrum Jord. less so. I. North Front! 
P. Roberti Lois. (P. Raii Bab., P. aviculare var. cepeten 
Ledeb. ?). Waste ae sandy ground ; ; frequent; 4-11. I retain 
stouter, and obviously perennial, with a thick woody stem 
sometimes so large ed & resemble P. equisetiforme, though usually 
