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antheridium Anthoceros archegonium archesporium arise axis Azolla basal base becomes Botrychium branches Bryophytes capsule cavity cells Fig central cell chlorophyll columella correspond cotyledon cytoplasm divides division wall dorsal elongated embryo endodermis epidermis exospore Ferns filamentous formation fossil gametophore gametophyte gemmae genera genus germination Goebel growing point growth Hepaticae indusium initial cell Jungermanniaceae later layer of cells leaf leaves Leitgeb Liverworts lobes longitudinal section lower Lycopodium Marattia Marattiaceae Marchantiaceae median midrib Mosses mother cell nearly neck canal cell nucleus octant older Ophioglossum outer cell periclinal walls phloem plant Polypodiaceae primary prothallium protonema Pteridophytes resembles rhizoids Riccia ripe root rows of cells segments separated sexual organs shows similar single species sperm cells spermatozoids Sphagnum sporangia sporangium spores sporogenous sporogonium sporophyte stages stalk stem apex sterile stomata structure surface thallus thickened tissue tracheids transverse wall two-sided apical cell upper usually vascular bundle vertical xylem young sporophyte
Page 658 - I have spent some time in most delightful examination of it, and the longer I look, the better I like it. I find it not only full of interest, but eminently suggestive. I know of no book which begins to do so much to open the eyes of the student —whether pupil or teacher — to the wealth of meaning contained in simple plant forms. Above all else, it seems to be full of suggestions that help one to learn the language of plants, so they may talk to him."— DARWIN L.
Page 658 - It is an admirable book, and cannot fail both to awaken interest in the subject, and to serve as a helpful and reliable guide to young students of plant life. It will, I think, fill an important place in secondary schools, and comes at an opportune time, when helps of this kind are needed and eagerly sought.
Page 660 - THE MACMILLAN COMPANY 64-66 Fifth Avenue, New York BOSTON CHICAGO SAN FRANCISCO ATLANTA DALLAS STUDENT'S HISTORY OF THE UNITED STATES By EDWARD CHANNING Professor of History in Harvard University COMMENTS High School, Bellows Falls, Vt.
Page 658 - Lessons with Plants" is a book of stories, or rather, a book of plays, for we can see each chapter acted out if we take the trouble to look at the actors. "I have spent some time in most delightful examination of it, and the longer I look, the better I like it. I find it not only full of inMrest, but eminently suggestive.
Page 659 - Professor of Botany in the University of Bonn. Translated and edited from the German, with many additional notes, by W. HILLHOUSE, MA, FLS, Professor of Botany in the University of Birmingham.
Page 658 - ESSONS WITH PLANTS: Suggestions for Seeing and Interpreting Some of the Common Forms of Vegetation. By L. H. BAILEY, Professor of Horticulture in the Cornell University, with delineations from nature by WS HOLDSWORTH, of the Agricultural College of Michigan. SECOND...
Page 159 - Coltochaete-\\\it ancestors is conceivable, but it seems more probable lhat they have a common origin, very remote, it is true, with the other Liverworts. They may probably best be relegated to a separate class, coordinate with the Hepaticae and Musci.
Page 599 - ... discovered the large number of important theorems and relations which make the Principia the most stupendous and overwhelming publication in the history of science. In all this work there are three streams of discovery which may be separated by logical analysis, but which are so closely intermingled that it is difficult to see how any one of them could have gone on without the other two. Nobody has ever been able to believe that Newton could have extended the Galilean dynamics to the intricate...
Page 612 - ON THE OCCURRENCE OF TWO EGG CELLS IN THE ARCHEGONIUM OF MNIUM. — While sectioning the female "flowers" of an undeter"903] «37 1900, an archegonium was found which contained two well-developed egg cells of perfectly normal appearance.
Page 622 - Bull. Torrey Club, 29: 281289. 1902. 50. Lesquereux, L., and James, TP Manual of the Mosses of North America. 8vo. pp. v + 447. 6 pi. Boston, 1884. 51. Limpricht, KG Die Laubmoose Deutschlands, Oesterreichs represents Band IV of Rabenhorst's Kryptogamen- Flora, second edition.