. Bulletin of the British Museum (Natural History) Botany. 168 NORMAN K. B. ROBSON placentation and absence of dark glands, gives rise immediately to two trans-Atlantic disjunc- tions: sect. 29 Brathys with primitive species in northern S. America, Belize, and Cuba, and sect. 30. Spachium with primitive species in southern Brazil; the remaining line involves other species of sect. 1. The eastern main branch of this line (Fig. 2(iv)) includes H. mysurense (sect. 3, in Sri Lanka and south India), which, as has been mentioned above, is morphologically close to H. balfourii of Socotra. These popul
. Bulletin of the British Museum (Natural History) Botany. 168 NORMAN K. B. ROBSON placentation and absence of dark glands, gives rise immediately to two trans-Atlantic disjunc- tions: sect. 29 Brathys with primitive species in northern S. America, Belize, and Cuba, and sect. 30. Spachium with primitive species in southern Brazil; the remaining line involves other species of sect. 1. The eastern main branch of this line (Fig. 2(iv)) includes H. mysurense (sect. 3, in Sri Lanka and south India), which, as has been mentioned above, is morphologically close to H. balfourii of Socotra. These populations, along with H. socotranum (another Socotran endemic), have Sect. LCampylosporus Characters. Da pre k glands sent r absent i <9 29 \ i i *x i i / / i free —> completely united; petals and stamens persistent -^ deciduous —> persistent; dark glands present -* absent —> Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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