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Abstract

Vivi Täckholm 75 Years Old Lennart Engstrand och Mats Gustafsson: Drawings of Scandinavian Plants 81-82 Chenopodium L. Loutfy Boulos: Révision Systématique du Genre Sonchus L. s.l. I. Introduction et Classification J. Roux och Loutfy Boulos: Révision Systématique du Genre Sonchus L. s.l. II Étude Caryologique A. Pons och Loutfy Boulos: Révision Systématique du Genre Sonchus L. s.l. III Étude Palyonologique Uno Eliasson: Studies in Galápagos Plants XIII Three New Floristic Records and Two Supplementary Remarks Mats Gustafsson och Sven Snogerup: Scorzonera scyria, a New Chasmophytic Species from Greece Bengt Bentzer: The Chromosomes of Leopoldia bicolor (Boiss.) Eig & Feinbr. (Liliaceae) Richard Wheeler Haines och Kåre Arnstein Lye: Studies in African Cyperaceae VII Panicle Morphology and Possible Relationships in Seleriae and Cariceae Tyge W. Böcher: Leaf Anatomy in Sporobolus rigens (Tr.) Desv. (Gramineae) T. W. J. Gadella: Biosystematic Studies in Hieracium pilosella L. and Some Related Species of the Subgenus Pilosella Finn Sandberg och Jan G. Bruhn: Pharmacognistic Screening of Plant Materials Alfred Hansen: A New Rubus Species from the Canary Islands Hakon Hjelmqvist: A Find of Nelumbo nucifera From Old Cyprus With Some Notes on the History of the Species Felix J. Widder: Das nordamerikanische Xanthium pungens Wallroth als Adventivpflanze anderer Kontinente Bertil Nordenstam: Chromosome Numbers in Some Compositae from Egypt Tycho Norlindh: Notes on the Variation and Taxonomy in the Scirpus maritimus Complex Bengt Bentzer: Variation in the Chromosome Complement of Leopoldia comosa (L.) Parl. (Liliaceae) i the Aegean (Greece) Waheeb K. Heneen och Hans Runemark: Chromosomal Polymorphism in Isolated Populations of Elymus (Agropyron) in the Aegean I. Elymus striatulus sp. nov. Waheeb K. Heneen: Separation Difficulties During Anaphase I in Elymus (Agropyron) Species Rolf Dahlgren och Per Lassen: Studies in the Flora of Northern Morocco I. Some Poor Fen Communities and Notes on a Number of Northern and Atlantic Plant Species Claude Favarger: Sur quelques Arenaria d'Europe et d'Asic occidentale Ahmed A. Fadeel och Najat al-Sani: Studies on the Changes of the Inner Micro-structure During the Chloroplast Development in Chlorophyllous Roots of Wheat Inga och Olov Hedberg: Ecology, Taxonomy and Rational Land Use in Africa E. Kliphuis: Cytotaxonomic Studies in Galium hercynicum Weig W. Greuter och K. H. Rechinger: Verbascum spathulisepalum (Scrophulariaceae), eine neue Art aus Nordost-Griechenland Shaukat A. Chaudhary: Three New Taxa of Iris Subgenus Oncocyclus from Lebanon and Syria Michael Zohary: Origins and Evolution in the Genus Trifolium Rodolfo E. G. Pichi Sermolli: The Re-establishment of the Species Asplenium gauteri Hook. and Asplenium efulense Bak Mustafa Imam och Samir I. Ghabbour: A Contribution to the Moss Flora of Egypt M. Nabil El Hadidi: The Family Zygophyllaceae in Egypt [BOTANICAL LITERATURE] Hultén, E.: Flora of Alaska and Neighboring Territories. A manual of the Vascular Plants. Anmäld av Henning Weimarck Savile, D. B. O.: Arctic Adaptations in Plants. Anmäld av Gunnar Weimarck [IN MEMORIAM] Carl Blom