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88 IAWA Bulletin n.s., Vol. 2 (2-3),1981 REVIEWS Die Natürlichen Pflanzenfamilien (originally by contributors, and in this Bulletin especially the A. Engler & K. Prantl). Second Edition. 28 b I, wood anatomist, are to be congratulated with Angiospermae, GentianaIes, Loganiaceae. Ed. the appearance of this fine and stimulating A.J.M. Leeuwenberg, 255 pp., numerousplates, monograph. (with a chapter on seeondary xylem anatomy Pieter Baas by Alberta M.W. Mennega), 1980. Duncker & Humblot, Berlin. Price DM 188 (cloth). Understanding Wood - A craftsman's guide to This new volume in the second edition of wood technoIogy. R. Bruce Hoadley, 256 pp., the famous Engler & Prantl se ries 'Die Natür many iIIust. 1980. Taunton Press, Newton, Con lichen Pflanzenfamilien' constitutes alandmark necticut. Price US$ 17.95 (cloth). in several ways. In the first place because it im Wood enjoys an active interest from a large plies a revival of an important taxonomie pro audience. Yet much is left to be desired about jeet which has been dormant for over 30 years; communication of the sm all wood scientific secondly because it is the first instalment in the community with the amateur or professional English language; and thirdly and most impor wood worker or consumer. Dr. Hoadley's book tantly because the approach is completely mul can serve as an excellent tool to fill up this tidisciplinary with important chapters on vege void. tative arehitecture, wood anatomy, pollen mor With a very weil written and iIIustrated text phology, embryology, cytology and phyto the reader is introduced to such complex topics chemistry in addition to the compulsory parts as wood structure and identification (chapters on relationships and taxonomy. 1-3), water and wood, dimensional instability, strength and other properties, machining, join The wood anatomy chapter by Dr. Mennega covers 49 pages and eomprises detailed and ing, finishing and modifying wood, ete. The beau tifully illustrated deseriptions of the 18 chapters on wood structure and identification woody genera available for study. There is also to popularize a scienee are exemplary for how a key down to the genera or in some instances without any eoncessions to superficiality or in even down to species. Wood anatomically the aecuracy (whieh one often ean find in popular Loganiaeeae show a most striking diversity in books on trees). There are x I 0 macrophoto almost all wood anatomieal features (vessel per graphs of 54 woods commonly used in the foration type, vessel wall pitting, parenchyma Uni ted States of Ameriea, aecompanied by distribution, ray type, fibre type, eell inclu brief but accurate deseriptions of their salient sions and included phloem all vary between hand lens eharacters. All other ehapters belong wide limits), which is fully exploited in the dis to the realm of wood teehnology, but some cussions on family delimitation and tribai clas times give anatomieal detail in explaining for sification. Yet one cannot help wondering instanee the effect of finishing wood with vari whether in the general diseussion of relation ous grades of sandpaper. I have only one criti ships authored by all contributors to this vol eal note: in the afterword on Forests past and ume, the data from both wood anatomy and future, the author voiees an optimism which pollen morphology have not been given too may weil apply to mainly temperate regions little weight, in order to save the rather broad like North America, but which is out of place family concept of the editor/taxonomist. Wood if we eonsider the irreparable damage to, and anatomieally isolated positions of Desfontaillia waste of the tropical forest resource. (on the fibre pits of which some conflicting Dr. Hoadley loves wood; this becomes appa rent from the way he writes about it, as weil as statements are made on pages 154 and 157), Potalieae and to a ecrtain extcnt the Buddlejeae by the exquisite wood carvings by the author are not honoured in the final classification, al wh ich are used to illustrate several structural though wood anatomy together with many features or the effects of certain treatments. other differential dlaracters would support a His book can be recommended to all wood better than tribai status for at least Desfoll seientists who have become overspecialized in taillia and Buddlejeae. their fields, but also it will be a useful gift to lt is gratifying that all hard facts on this fam those interested friends and relatives, to whom ily are presented together in this single volumc. we never succeeded in explaining what our The multidisciplinary synthesis on dclimitation work is all about. Moreover, considering the beautiful lay-out of the book, and the quantity and subdivision of the Loganiaceae will proba bly rcmain subject to debate for years to come and quality of the information it contains, - and paradoxieally enough this publication 'Understanding Wood' is a bargain. will arouse rather than settle the argument. All Pieter Baas
IAWA Journal – Brill
Published: Jan 1, 1981
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