A FLORA OF GIBRALTAR AND THE NEIGHBOURHOOD 7 
but the latter comments on its existence there in his notes. 
sides and waste places; abundant; 3-6. I.! 
iplotaxis erucoides DC. Sandy or cultivated fields ; rare ; 
1-6. Flowers wg claws violet. I. D. III. i, and ii. San 
Roque and Me cl 
D. virgata DC. “iad aco ed and sandy ground; rare? 11-6. 
Distinguished from next two by much less lobed leaves; lobes 
usually few and shallow, often reduced to teeth. III. j. San 
m. 
D. siifolia Kunze. Similar situations ; very common? 11-6. 
I cannot distinguish between this species and the next—deserip- 
tions hardly differentiate them. One of the two is abundant, 
often in large masses. It varies almost indefinitely in size and 
leaf-lobing. Lo Lower parts, chiefly in grassy places! II.! III.! 
D. cathoica DC. Similar situations ; rare—at least in the 
Province generally ; 11-6. III. i. Between Gibraltar bch. San 
que, 
Bae Eaphanistrum L. Dry open ground; abundant; 
1-5. Not an escape at Gibraltar, as Debeaux suggests; it is 
be filiform Tae, ae ie usually in mounts: 
aie - South slopes of San Ro oque, D. ii. A si ingle 
plant by ieee ier Algeciras ! 
apistrum rugosum All. Fields and os places ; abundant ; 
3-5. Closely resembles Hrucastrum incanum, except in n fruit. 
Var. By Host, with glabrous fruit, occurs commonly. 
cE ae a We i wa 
Biscutella se L. var. microcarpa Boiss. Sandy or gravelly 
elds; frequent; 2-5. Annual, flowers rather pale yellow, 
locules 2 lines in diameter, hispid. I. South and west slopes, 
Ba. yas this in 1883 near Michael’s Cave, but not recently ! 
tS 8 ay 8 dace? ii. 
ate Boiss. (B. betica B. & R.). Commoner than 
last sith a a but less so elsewhere in the Province. Locules 2-24 
to : Canty ., . 1, and ii. ! 
tulata B. & R. Heathy ground and open woods; com- 
wae han very abundant; 2-5. Flowers small, deep vane: 
fruit smooth, locules 1 line in diameter, filaments broadly winged. 
This and the last seldom BLOW together. III. i. and ii.! 
abundant in Waterfall Valley ! 
B. levigata L. Heathy and rocky places in woods; locall 
frequent ; 3-5. Perennial, leaves thin, subglabrous. III. i. Cork 
Var. tomentosa Amo (B. montan Sie — bushy ground ; 
locally common; 2-5. aves thick, pilo I.! 
g Linn gibraltarica L. Bushy rocky groaidé locally common ; 
| 
I. contracta Pers. Similar places and bushy sandy ground; 
