A FLORA OF GIBRALTAR AND THE NEIGHBOURHOOD 07 



dentate, or runcinate pinnatifid, cymes laxer, heads smaller. 

 I. Common, K., D., Boiss. III. ii. Algeciras, Bev. 



A. arenaria B. & R. Sandy places ; frequent, locally common ; 

 3-5. Annual, much more softly tomentose, receptacle with short 

 setuli, pappus shorter than phyllaries, corymh small, dense, flowers 

 orange, red on back. II. K., Boiss. III. i. Cork Woods ! Pine 

 Wood Plains ! Foot of San Roque, K., Boiss. 



A. laxiflora DC. Rocky slopes; rare; 6. Like last but 

 anthodes 5 lines, on longish peduncles in a lax corymb, flowers 

 pale yellow. I. D. 



Xanthium macrocarpum DC. Sandy, rather damp places ; 

 locally abundant ; 7-9. Like X. italicum but with much stouter 

 fruit spines, apical beak incurved. II.! III. i. Punta Mala! 

 ii. Palmones Playazo ! 



X. sjnnosum L. Roadsides and sandy waste places ; occasional ; 

 4-9. II. ! III. i. Campamento and roadside to San Roque ! 

 Lajo banks ! Near San Roque Station ! ii. About Algeciras ! 

 iii. Palmones Village ! 



X. italicum Moretti. Rather damp sandy places and by rivers ; 

 rather rare ? 7-9. II. ! ? Only detached fruit seen. III. ii. Pal- 

 mones Playazo ! 



Campanulace^. 



Laurentia Michelii DC. Stream beds and under damp rocks ; 

 rather frequent; 4-6. III. i. Queen of Spain's Chair, chiefly 

 east slopes ! ii. Mountains ! 



Lobelia urens L. Streams and damp hollows ; frequent in 

 mountains, occasional elsewhere ; 4-6. 



Var. longibracteata P. L. has bracts longer than calyx, some- 

 times than corolla, and longer calyx lobes. It is said to be the 

 common form, but the type certainly occurs frequently, and I 

 have not distinguished them. III. i. Hedges at Campamento in 

 profusion, K. Queen of Spain's Chair ! Alcadeza ! Cork 

 Woods ! ii. Mountains ! iii. Palmones Sands ! 



\Jasione montana L. Sandy and heathy places ; frequent ; 

 4-6. Varies greatly in habit, duration, and length of calyx 

 segments and pedicels. The type is not recorded. 



Var. echinata Wk. (var. dcntata DC). Biennial, stout, erect, 

 12-18 in. The usual mountain and wood form. I. Boiss. 

 III. i. Queen of Spain's Chair! San Roque, B. (& B. Cork 

 Woods ! ii. S. de Palma, Bev. El Cobre ! 



Var. bracteosa Wk. (var. littoralis Boiss., /. blepharodon 

 B. & R.). Shorter, more caespitose, with different calyx segments. 

 The form of sandy open spots. I. Catalan Bay ! Mediterranean 

 Steps, K. III. i. San Roque, Boiss, D. My 1306, a very dwarf 

 caespitose hispid form, from near La Tunares, probably belongs 

 here. 



i J. rosidaris B. & R. Heathy hills; rare; 4-6. Perennial, basal 

 leaves rosulate, heads large, calyx segments lanceolate, rigid, longly 

 pungent acuminate, thrice as long as tube. The station cited is 

 the classic one, but I have referred all I have seen there to J. mon- 

 tana var. echinata. III. i. Queen of Spain's Chair, B. it B., D. 



