. Bulletin of the British Museum (Natural History) Botany. STUDIES IN THE GENUS HYPERICUM L. 18-25 stamens, longest 8-18 mm long, c. 0-8 x petals, with filaments very shortly united. Ovary 3-5 x 2-3 mm, narrowly ovoid-conic; styles 6-13 mm long, 2-2-5 x ovary, suberect or slightly outcurved distally; stigmas small. Capsule 8-12 x 5-7 mm, narrowly ovoid to ovoid-pyramidal. Seeds reddish-brown, c. 1-7 mm long, cylindric, not carinate or winged, finely linear-reticulate. 2n = 24. Dry woods and calcareous rocky or stony places; 30-1200 m. Balearic Islands (Mallorca, Menorca, Ibiza, Cabrera, Dragon
. Bulletin of the British Museum (Natural History) Botany. STUDIES IN THE GENUS HYPERICUM L. 18-25 stamens, longest 8-18 mm long, c. 0-8 x petals, with filaments very shortly united. Ovary 3-5 x 2-3 mm, narrowly ovoid-conic; styles 6-13 mm long, 2-2-5 x ovary, suberect or slightly outcurved distally; stigmas small. Capsule 8-12 x 5-7 mm, narrowly ovoid to ovoid-pyramidal. Seeds reddish-brown, c. 1-7 mm long, cylindric, not carinate or winged, finely linear-reticulate. 2n = 24. Dry woods and calcareous rocky or stony places; 30-1200 m. Balearic Islands (Mallorca, Menorca, Ibiza, Cabrera, Dragonera). Map 7. MALLORCA. Soller distr., Soller side of pass to Lluch, , /. & M. Cannon 2648 (BM); Pollensa distr., Cala San Vicente, track to western headland, 1971, J. & M. Cannon 3804 (BM); Palma distr., Genova, pres Palma, , Sauvan-Denis in Sennen 3668 (BM, K). MENORCA. Alayor, Son Blanc, , Rodriguez (K). IBIZA. Cala Talamanca, headland of Grosa y Vatarina between Ibiza harbour and Bay of Talamanca, , Bowden & Sims 1931 (BM). CABRERA. Fide Knoche, Fl. balear. 2: 186 (1922), 3: 322 (1923). DRAGONERA. Fide Knoche, Fl. balear. 2: 186 (1922), 3: 321 (1923). CULTIVATED. Specimens seen from England (1743-1983), France, and Ger- many (1875). The glandular-verrucose stems and leaves and the involucre-like bracteoles disting- uish H. balearicum from all other species of Hypericum. It has such an isolated position in the genus that its affinities are not immediately obvious. The leaf- venation and floral characters, however, indicate that H. revolutum subsp. revolu- tum is its closest relative, in particular the broader-leaved form of that species that occurs in Ethiopia. H. balearicum is apparently confined to the Balearic Islands, where it is quite common on Mallorca but rare on the others on which it occurs. The Italian locality cited by some authors (Liguria, Appenines above Savona) is the result of introduc- tion (see Knoche
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