A FLORA OP GIHRALTAR AND THE NEIGHBOURHOOD 61 



often in large masses ; 4- 6. I. Lower and middle parts, rarely 

 upper Eock! II.! III.! 



fVar. integrifolia Boiss. Leaves entire or denticulate. It may 

 be common, but I have not seen it. I. K. 



Serratula hcetica Hoiss. yur.pinnatifoUaV^k. Wooded slopes; 

 locally frequent ; 6-7. Like a dwarf Centaurea, but phyllaries 

 long, lanceolate, acuminate into a spine. III. i. Queen of Spain's 

 Chair ! ii. Slopes beyond Waterfall ! Carnero Hills ! 



Leuz&a conifera DC. Wooded slopes and heaths ; rare ; 5-6. 

 III. i. Wooded slopes of San Roque, I). Alcadeza Plain ! 



Grupina vulgaris Cass. Stony slopes; rare; 5-6. III. i. 

 Alcadeza Crags ! 



Microlonchus Clusii Spach. Roadsides and bushy banks ; 

 frequent ; 4-7. I. Jews' Cemetery ! Rosia Parade ! III. ! 

 Grows 5 ft. high by the Miel ! 



Centaurea tagana Brot. Woods ; locally occasional ; 5-6. 

 One of the largest of the genus, with very large heads of dingy 

 yellow flowers. III. i. First Pine Wood ! Cork Woods ! 

 ii. Upper slopes of Waterfall Valley ! 



fC. alba L. var. deusta DC. Dry rocky or sandy slopes; 

 locally frequent ; 6-7. Habit of C. aspera, but phyllaries lax, 

 ovate, broadly hyaline, with a blackish brown central band. 

 III. i. Alcadeza Crags ! Cork Wood Crags ! 



\G. sempervirens L. Woods; rare; 6-7. Tall, much branched, 

 leafy to apex, flowers purple, appendages shortly pectinate. 

 III. ii. Waterfall! 



\C. uliginosa Brot. Marshes; rare; 6-7. Subsimple, 4-6 ft., 

 leaves very long, narrow, peduncles long, pectinae shorter and 

 fewer than in last, and erect or spreading, not reflexed. My 

 specimens are taller than the description gives, and have the 

 upper leaves quite entire, not denticulate. III. i. Almoraima Soto ! 



C. imllata L. Grassy and bushy places, sides of ditches, &c. ; 

 very common ; 2-5. Dwarf, very leafy, flowers pink or rosy, 

 phyllaries pale green with black edges, appendages reflexed, 

 pectinate. Varies much in habit and leaf lobing. I. ! II. ! III. ! 



C. cUluta Ait. Rough fields ; rare ; 5-7. Phyllaries pale, 

 appendages white, shortly lacerate, subdecurrent, terminal 1-3 

 spines rigid, not longer than others, and erect. III. i. Carteian 

 Hills, a single plant I 



fC. Seridis L. Sandy ground; rare; 4-6. Perennial, erect, 

 branched, woolly-canescent, leaves longly decurrent, the lower 

 dentate, rarely lobed, heads large, florets purple, phyllaries with 

 7-11 remarkably long reflexed spines. III. i. Near San Roque, Ball. 

 t Var. maritima Lge. differs in very large lyrate-pinnatifid leaves, 

 the cauline less decurrent. III. ii. Sea sand at Algeciras, P. L. 



C. sonchifolia L. Sand-dunes ; rare ; 5-6. Somewhat like 

 C. sphcerocepJiala, but scabrid-pubescent, leaves shortly decurrent, 

 heads large, disc florets white, phyllaries with 5 rather short 

 reflexed spines. II. Sea sand at Gibraltar, Brouss. Probably on 

 Neutral Ground. 



C. aspera L. Dry stony and sauidy hills ; locally common ; 



