A FLORA OF GIBRALTAR AND THE NEIGHBOURHOOD 61 
often in large masses; 4-6. I. Lower and middle parts, rarely 
upper Rock! II.! III! 
tVar. integrifolia Boiss. rea entire or denticulate. It may 
be common, but I have not seen 
Serra tui betica Boiss. var. vinhusifala Wk. Wooded slopes; 
locally frequent; 6-7. Like a dw arf Centaurea, but phyllaries 
long, lanceolate, acuminate into a spine. III. i. Queen of Spain’s 
Chair! ii. Slopes be har Waterfall! Carnero Hills! 
Leuzea conifera DC. Wooded me and heaths; rare; 5-6. 
IIT. i. Wooded slopes of San Roque, D. Aleadeza Plain ! 
Crupina ee Cass. Bedtiy’ slopes; rare; 5-6. ie 
Alcadeza Crags ! 
acrolonchus Clusit Spach. Roadsides and bushy banks; 
feats 4-7. I. Jews’ — Rosia Parade! III.! 
Grows 5 kes by the Miel ! 
Centaurea tagana Brot. Woods; locally occasional; 5-6. 
One of the “argent of the genus, with very large heads of sts 
yellow flow III. i. First Pine Wood! Cork Woods! 
li. Upper slonen of Waterfall Valley ! 
tC. al deusta DC. Dry rocky or sandy slopes; 
locally frequent; 6-7. Habit of C. —— but phyllaries lax, 
blac 
ovate, broadly hyaline, ns a h brown central band. 
IIT. i. Alcadeza Crag Cor His ipo Ons ass 
to. sets . Woods; rare; 6-7. Tall, much branched, 
l nar 
fewer than in last, and erect or spreading, not reflexed. My 
specimens are taller than the were ott and have the 
upper leaves quite entire, not denticulate Almoraima Soto! 
Grassy and bushy places, sides of ditches, &c. ; 
common; 2-8. Dwarf, very leafy, flowers pink or rosy, 
ery 
hag iis green with black edges, appendages reflexed, 
pectinate. Varies much in habit and leaf lobing. I.! II.! III! 
C. diluta Ait. Rough fields; rare; 5-7. Phyllaries pale, 
appendages white, shortly lacerate, subdecurrent, terminal 1-3 
spines rigid, not — than others, and erect. III. i. Carteian 
Hills, a single plant 
tC. Seridis L. Sa ndy ground; rare; 4-6. Perennial, erect, 
ranched, woolly-canescent, leaves wank decurrent, the lower 
— rarely lobed, heads la mi florets purple, phyllaries with 
7- To Saari long reflexed spines. I . Near San Roque, Bail. 
. sonchifolia L. Sand. dunes; rare; : mewhat like 
aL. Dry stony and sandy hills; locally common ; 
