Pollen and Spores of Chile

Abstract

in an amended and much enlarged form in his Praktische Einfiihrung in die Pflanzenmorphologie, and his work on the inflorescences makes good progress. By January 1971, the date of signing his foreword, Troll could therefore look back upon a perhaps not complete, but certainly an unequalled series of works on plant morphology, unique for the present time and fully abreast wit the works of his great predecessors. There is, however, more to come.