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Révision des Malvaceae-Grewioideae ("Tiliacées", p.p.) de Madagascar et des Comores. III. Les Grewia du sous-genre Vincentia (Benth.) Capuron
René CAPURON & David J. MABBERLEY
7-23, Published on 30 June 1999, art. 21 (1) 
Evidence of bird pollination in Iridaceae of southern Africa
Peter GOLDBLATT et al.
25-40, Published on 30 June 1999, art. 21 (2)
New taxa and nomenclatural notes on the flora of the Marojejy Massif, Madagascar. III. Rubiaceae. A new species of Sabicea
Sylvain G. RAZAFIMANDIMBISON & James S. MILLER
41-45, Published on 30 June 1999, art. 21 (3)
Gallicae Polynesiae florae Praecursores 2. Nouveautés nomenclaturales dans les Hernandiaceae, Malvaceae, Menispermaceae et Nyctaginaceae
A revision of the Malagasy endemic genus Chouxia Capuron (Sapindaceae)
George E. SCHATZ et al.
51-62, Published on 30 June 1999, art. 21 (5)
A new species of Lepanthes (Orchidaceae) from French Guyana
A new species of Polyscias (Araliaceae) from Mayotte, Comoro Islands
Porter P. LOWRY II et al.
67-73, Published on 30 June 1999, art. 21 (7)
New taxa, names, and combinations in Erica (Ericaceae-Ericoideae) From Madagascar and the Comoro Islands
Laurence J. DORR & Edward G. H. OLIVER
75-91, Published on 30 June 1999, art. 21 (8)
A propos d'Anthocephalus A. Rich. et de Cephalanthus chinensis Lam. (Rubiaceae)
Novitates Gabonenses 36. Tetrorchidium (Euphorbiaceae) in Africa with special reference to Gabon
Endemic families of Madagascar. II. A synoptic revision of Sphaerosepalaceae
George E. SCHATZ et al.
107-123, Published on 30 June 1999, art. 21 (11)
Novitates Gabonenses 37. New species of Rinorea (Violaceae) from Gabon
Gaston ACHOUNDONG & Jan J. BOS
125-131, Published on 30 June 1999, art. 21 (12)
A new species of Ephippiandra (Monimiaceae: Monimioideae) from Madagascar
Révision du genre Cyathea sect. Gymnosphaera (Cyatheaceae) à Madagascar et aux Comores
France RAKOTONDRAINIBE & Danielle LOBREAU-CALLEN
137-152, Published on 30 June 1999, art. 21 (14) 
