50 BRITISH BOTANY. 



compressed (orbicular or elliptical), two-celled, with one or two 

 seeds in each cell. — Differs from Ahjssum in having simple fila- 

 ments (often furnished with a lateral tooth, Sm.), and especially 

 by the 1-2-seeded cells. 



K. maritima, Br. Sweet Alyssum. — e.b. 1729. l.b.s. 81. 

 A. 7. C. ? Lat. 50-57°. Tern. ? 



Root annual. Stem ascending or erect, rigid, angular, much 

 branched, leafy. Leaves entire, oblong-linear, or linear tapering 

 at the base, keeled. Flowers white, in elongated clusters, sweet- 

 scented. Pedicels spreading. Sepals erect. Petals twice as long 

 as the sepals, with a roundish limb and abruptly-contracted claw. 

 Clusters of fruit elongate, leafy at the base, lax. Pouch erect, 

 elliptical, convex on both sides ; cells one-seeded. 



On the coasts of the Mediterranean. It has been reported as 

 naturalized near the sea at Aberdeen. It is not uncommon in 

 gardens. Annual ; June- August. — This plant is described as a 

 perennial by most authors, but cultivators call it an annual. 



Draba, Lin. — Annual and perennial plants, usually with ro- 

 saceous tufts of root-leaves, which are entire or toothed, and more 

 or less hairy. Flowers very small, white. Sepals slightly spread- 

 ing. Pouch oblong, entire at the apex, crowned by the persistent 

 stigma, compressed ; valves flat, or slightly convex ; cells many- 

 seeded. Seeds compressed. 



D.verna, Lin. Vernal Whitlow-grass. — e.b. 586. l.b.s. 79. 

 A. 18. C. 80. Lat. 50-60°. Alt. 0-800 yds. Tern. 52-39°. 



Hoot annual, fibrous. Stems several, leafless, slender, smooth, 

 more or less branched above. Leaves all radical, oblong-lanceo- 

 late, tapering at the base, entire or slightly toothed, hairy, in a 

 rosette. Clusters corymbose, lax. Petals white, cleft. Pouch 

 oblong, shorter than its pedicel. 



On walls and sandy fields. Some light-soiled fields in the 

 neighbom-hood of Bromley, Kent, have been noticed in spring 

 white with the blossoms of this pretty little plant. Annual ; 

 March-May. 



Var. /3. inflata. Pouch turgid. This we have seen neax__SLet- 

 tle^Jii_Se45tfimher^nd we have a specimen from Ben Lawers. It 

 is difficult to distinguish these varieties when dried, 



D. muralis, Br. Wall Whitlow-grass. — e.b. 912. l.b.s. 78. 



A. 6. C. 6. Lat. 51-55°. Alt. 0-300 yds. Tern. 48-45°. 



