Corispermum hyssopifolium, L. Corispermum intermedium, Schweigger

9. C. hyssopifolium L. , Sp. Pl. 4 (1753) View Cited Treatment .

Plant 15-60 cm, branched from the base. Leaves linear. Spikes long, narrow, more or less lax. Lower bracts longer than the achene, upper shorter and narrower. Perianth-segments l(-3). Achene 4-5 x 3-4 mm, ovate; wing very narrow, thin, sometimes absent, apex rounded, entire. E. Europe. Po Rm Rs (W, K, E).

C. hybridum Besser ex Andrz. , Univ. Izv. (Kiev) 7-8: 135 (1862), C. glabratum Klokov , op. cit. 122 (1960), C. czernjaevii Klokov , op. cit. 120 (1960), and C. insulare Klokov , op. cit. 124 (1960) are probably not specifically distinct from 9.

10. C. intermedium Schweigger , Königsb. Arch. Naturw. 1: 211 (1812).

Plant 10-30 cm, with long branches, pubescent when young. Leaves lanceolate to linear. Spikes short, thick and dense, or elongate and lax. Bracts broadly ovate-lanceolate, narrower but slightly longer than the fruit. Perianth-segments 0(-3). Achene 3-4-5 x 3 mm, elliptic-ovate to suborbicular; wing as wide as the achene, thick, membranous only at the margin, more or less entire, apex rounded, projecting slightly at the base of the style. C. Europe. Ge Po.