Dianthus Dianthus, L.

58. D. arenarius L. View in CoL , Sp. Pl. 412 (1753).

Caespitose perennial up to c. 45 cm; stems slender, subcylindrical, simple or branched. Leaves frequently less than 1 mm wide, linear, obtuse or acute. Flowers fragrant. Epicalyx-scales 2-4, broadly ovate to obovate, up to i as long as calyx, often with a short obtuse apiculus. Calyx 16-25 x 2-3 mm, nearly cylindrical. Petal-limb 10-15 mm, laciniate to beyond the middle, white with a green spot, often with a purplish margin, at base, bearded. E. Europe, southwards to c. 49° N. in C. Ukraine, and extending westwards to Czechoslovakia, E. Germany and Sweden. Cz Fe Ge Po Rs (N, B, C, W). 1 Stems usually 10-20 cm, simple or little branched

(a) subsp. arenarius 1 Stems usually over 20 cm, freely branched

2 Plant not glaucous; leaves usually 0- 5 mm wide; petal-limb usually c. 10 mm (b) subsp. borussicus

2 Plantglaucous; leavesusuallyc. 1 mmwide; petal-limb usually c. 15 mm 3 Stem with 1 -3 flowers; epicalyx-scales 4; calyx usually 4-

4- 5 mm wide (c) subsp. pseudoserotinus 3 Stem with (1 -)3-24 flowers; epicalyx-scales 4-6; calyx usually

3-4 mm wide (d) subsp. pseudosquarrosus