Euphorbia terracina, L. Euphorbia amygdaloides, L. Euphorbia amygdaloides subsp. semiperfoliata, (Viv.) A.R. Sm.

102. E. terracina L. View in CoL View at ENA , Sp. Pl. ed. 2, 654 (1762).

Glabrous perennial; stem up to 70cm, simple or branched from the base and with 0-5 axillary rays. Leaves 15-40 (-5 5)x4-7(-ll) mm, linear-lanceolate to elliptic-oblong, rarely ( var. angustifolia Lange ) 1-5-2 mm wide, linear, minutely serrulate. Ray-leaves resembling the upper cauline. Raylet-leaves deltate-rhombic, sometimes slightly asymmetrical, occasionally coarsely serrulate. Rays 4-5, up to 5 times dichotomous. Glands with 2 long, slender horns. Capsule 3-5 x 4-5 mm, deeply sulcate, smooth. Seeds 2-2-5 mm, ovoid, pale grey. Dry sandy ground, often near the sea. Mediterranean region, extending to N.W. Spain and Portugal. Al BI Co Cr G a G r Hs It Ju Lu Sa Si.

(B) Raylet-leaves connate; axillary non-flowering shorts absent.

103. E. amygdaloides L. View in CoL , Sp. Pl. 463 (1753) View Cited Treatment .

Pubescent, caespitose perennial; stem up to 90 cm, with up to 30 axillary rays. Leaves (10-)25-70(-130) x (5-)10-20(-30) mm, oblanceolate to obovate or spathulate, entire. Ray-leaves broadly ovate. Raylet-leaves partially or wholly connate, rarely more or less free ( var. ligulata (Chaub.) Bory ). Rays (3—)5—11, up to 4 times dichotomous. Glands with 2 horns. Capsule 3-4 x 2-5-4 mm, deeply sulcate, punctate. Seeds 2-2-5 mm, ovoid, blackish. 2« =18. Woods. C., S. & N.W. Europe, extending eastwards to C. Ukraine. Al Au Be Br Bu Co Cz Ga Ge G r *Hb He Ho Hs Hu It Ju Lu Po Rm Rs (W, K) Sa Si Tu.

(a) Subsp. amygdaloides :

Stems flowering in the second year. Leaves of the first year’s growth larger than those o f the second and crowded at the top of the stem. Hom s o f the glands usually convergent. Throughout the range o f the species, except Corse and Sardegna.

(b) Subsp. semiperfoliata (Viv.) A.R. Sm. View in CoL , Feddes Repert. 79: 65 (1968)

(F. semiperfoliata Viv.): Stems usually flowering in the first year. Leaves more or less uniform in size and evenly spaced. Hom s of the glands usually parallel. • Corse and Sardegna.