Books dealing with medicinal herbs have been forests by man. Furthermore, the knowledge of use ful and medicinal plants is lost as soon as tradition much in demand in the last decade, since interest in the use of 'healing plants' instead of chemistry vanishes through the import of new products from wrapped up in the form of pills has gradually in industrialized countries. Already in 1926, PITTIER creased. Interest in natural methods of healing by regreted that the use as well as the production of medicinal plants advanced with the ecological con indigenous medicinal-herbal products,...

The studies presented in this volume are meant to The reason why we know relatively little about close some gaps in our knowledge of leaf anatomy inner leaf structure of trees from tropical humid of trees in tropical humid forests. Although xero- forests is that the leaf anatomy of only a few species morphy of the foliage in tropical humid forests has or genera or - at the most - of an entire family has been much discussed, the statements have generally been studied in detail up to the present. Most of been based on sporadic anatomical studies of part i- these studies are, therefore, of...

Our knowledge of the structure and dispersal of "Plants, seeds and currents" in the Westindies tropical fruits and seeds is very limited up to the and Azores. Van der Pijl with his extensive know present day, though richness of species and variety ledge of tropical plants offers a great selection of of forms is overwhelming in the tropical forests. detailed information on the subject" Principles of Morphology of tropical fruits and seeds has always dispersal in higher plants" (1972, and earlier pa of botanists from many pers). The author who has earned most merits in attracted the curiosity...

The studies presented in this volume are meant to The reason why we know relatively little about close some gaps in our knowledge of leaf anatomy inner leaf structure of trees from tropical humid of trees in tropical humid forests. Although xero- forests is that the leaf anatomy of only a few species morphy of the foliage in tropical humid forests has or genera or - at the most - of an entire family has been much discussed, the statements have generally been studied in detail up to the present. Most of been based on sporadic anatomical studies of part i- these studies are, therefore, of...

This volume is the last contribution of a series of With the present book, a further gap concern- studies concerned with the plant material of one ing leaf morphology and leaf venation, as well and the same area of Venezuelan Guiana. The as some structural peculiarities of physiological importance, is closed so that an exhaustive survey studies originated through a collaboration with the forest engineer Dr. B. Rollet, the FAO expert in of bark and leaf morphology and anatomy as well forest inventory who collected the material of tree as of fruit and seed structure of the plants of a barks,...

Our knowledge of the structure and dispersal of "Plants, seeds and currents" in the Westindies tropical fruits and seeds is very limited up to the and Azores. Van der Pijl with his extensive know- present day, though richness of species and variety ledge of tropical plants offers a great selection of of forms is overwhelming in the tropical forests. detailed information on the subject" Principles of Morphology of tropical fruits and seeds has always dispersal in higher plants" (1972, and earlier pa- of botanists from many pers). The author who has earned most merits in attracted the curiosity...