Botanik. — Phanerogamae. — Cryptogamae. 



99 



1446 Contribntions from the Botanical Laboratory of the University of Pennsylvania. 

 Volume II. No. 1. Philadelphia 4 898. roy. 8. pg. 1 — 109 with 12 plates. Mark 10 



Cont. : Wilson, L. L. W., Observations on Conopholis americana (with 6 plates). — Schi- 

 vely, A. F., Recent obsertations on Amphicarpaea monoica. — Ha rsh berger, J. W., Water- 

 storage and conduction in Senecio praecox from Mexico (with 2 plates). Statistical information 

 concerning the production of fruits and seeds in certain Plants. — Thomson, C. B., Structure 

 and development of internal phloem in Gelsemium sempervirens (with 1 plate). — Bunting, M., 

 Structure of the cork-tissues in roots of some Rosaceous Genera (with i plate). — Simons, E. A., 

 Comparative studies on the rate of circumnutation of some Flowering Plants — Mc Kenny, R., 

 E. B.. Observations on the development of some Embryo-sacs (with \ plate). — Macfarlane, J. 

 M., Observations on some hybrids between Drosera filiformis and D. intermedia (with \ plate). 

 Dreyfus, W. E., Ueber Tragant — siehe No. 1552. 



1447 Murrill, W. A., The Development of the Archegonium and Fertilization in the 

 Hemlock Spruce (Tsuga canadensis Carr.) (London, Annais Bot.) 1900. roy. 8. 

 25 pg. with 2 plates in-4. 



1 448 Ramaley, F., The Seed and Seedling of the western Larkspur (Delphinium occi- 

 dentale Wats.). (Minneapolis, Minnes. bot. Stud.) 1900. roy. 8. 7 pg. with 1 plate. 1so 



1449 Tschlrch, A., und Oesterle, 0., Anatomischer Atlas der Pharmakognosie und 

 Nahrungsmittelkunde. Leipzig 1900. 4. 368 pg. m. 81 Tafeln. 26öo 



Der Subscriptionspreis ist erloschen. 



1450 Wallace, W., On the Stem-structure of Actinostemma biglandulosa. (London, 

 Annais Bot.) 1900. roy. 8. 7 pg. with 1 plate in-4. 



Weigel, G., Ueber die Harzbalsame von Larix decidua und Abies pectinata — 

 siehe Nr. 1567. 



Phanerogamae . 



1451 GÖSter, B. F., Nagra meddelanden om hybrider af släktet Epilobium. (Lund, Bot. 

 Not 1900.) 8. 6 pg. 0so 



1452 Davis, K. C, Native and Garden Delphiniums of North America. (Minneapolis, 

 Minnes. bot. Stud.) 1900. roy. 8. 27 pg. 2 



1453 — Native and cultivated Ranunculi of North America and segregated Genera. 

 (Minneapolis, Minnes. bot. Stud.) 1900. roy. 8. 49 pg. 3 



1454 — A synonymic Conspectus of the native and Garden Thalictrums of North 

 America. (Minneapolis, Minnes. bot. Stud.) 1900. roy. 8. 15 pg. 1so 



1455 Haage, F., Cacteenkultur. Handbuch für Cacteenfreunde u. Liebhaber von suc- 

 culenten Pflanzen. 2. Auflage. Leipzig 1900. gr. 8. 263 pg. m. Abbildungen. 3 



1456 Warburg, 0., Pandanaceae. (Aus: Das Pflanzenreich, herausgegeben von A. 

 Engler.) Leipzig 1900. gr. 8. 97 pg. m. 4 Tafeln u. 189 Abbildungen. 5eo 



Cryptogamae. 



1457 Aoyama, T., und MiyamotO, S., lieber die menschenpathogene Streptothrix. (Tokio, 

 Mitth. med. Fac. Univers.) 1900. 4. 46 pg. m. 3 Tafeln (2 colorirt). 6 



1458 Blackman, F. F., The primitive Algae and the Flagellata. Account of modern 

 work bearing on the evolution of the Algae. (London, Annais Bot.) 1900. roy. 8. 

 42 pg. with 2 figures. 



1459 Buller, A. H. R., Contributions to our knowledge of the Physiology of the Sper- 

 matozoa of Ferns. (London, Annais Bot.) 1900. roy. 8. 40 pg. 



1460 De Toni, G. B., e Forti, A., Contributo alla conoscenza del Plancton del lago 

 Vetter (Svezia). Venezia (Atti Ist. Ven.) 1900. in-8. gr. 75 pg. 44o 



1461 Freeman, F. M., A preliminary List of Minnesota Erysipheae. (Minneapolis, 

 Minnes. bot. Stud.) 1900. roy. 8. 8 pg. Uo 



1462 Jahresbericht über die Fortschritte in der Lehre von den Gährungs-Organismen. 

 Unter Mitwirkung von Fachgenossen bearbeitet u. herausgegeben von A. Koch. 

 Jahrgang IX: 1898. Leipzig 1900. gr. 8. 8 u. 343 pg. 12 



1463 Lindroth, J. J., Mykologische Notizen (Aecidium sanguinolentum. Cronartium pe- 

 dicularis. Puccinia crepidis sibiricae. Aecidium Sceptri. Puccinia Lysimachiae.) 

 (Lund, Bot. Not. 1900.) 8. 15 pg. 1ao 



1464 Kaalaas, B., Trichostomum arcticum nov. spec. (Lund, Bot. Not. 1900.) 8. 2 pg. O30 



1465 Minks, A., Beiträge zur Erweiterung der Flechtengattung Omphalodium. Genf 

 (M6m. Herb. Boissier) 1900. gr. 8. 16 pg. 1eo 



Naturae Novitates. Jahrg. XXIII, No. 2. R. Friedländer & Sohn in Berlin. 



