Physiology. 



473 



3550 



Johannsen, W. 38512. Doe? hybri- 

 disation increase fluctuating variability? 



Karoly, R. 38582. Die nouesten 

 Ergebnisse der veredelnden Pflanzen- 

 zucht. (Ungarisch.) 



Kerslake, G. 38624. Some practical 

 experiments in cross-fertilisation in 

 New South Wales. 



Laxton, W. 38997. Cross-breeding 

 and hybridisation of peas and of hardy 

 fruits. 



Lehbert, R. 39035. Anwendung der 

 Koelreuterschen Methode zur Erken- 

 nung dor Calamagro.'itis-'Ba,sta,vdG. 



Leveill^, H. 39085. Le Juncus 

 anceps et son hybride. 



39091. Nouvel hj'bride de 



JUJICIIS. 



Linton, E. F. 39212. Hybrids among 

 British phanerogams. 



Lynch, R. I. 39397. Natural hybrids 

 [amongst European plants]. 



MacDougal, D. T. 39420, 39422. 

 Hybridization of wild plants. 



et alii. 39426. Mutants 



and hybrids of the Oenotheras. 



Macfarlane. 39437. Natural hybrids 

 in the genus Sarracenia. 



Malinvaud, E. 39515. Hybridisation 

 in the genus Mentha. 



Marshall, E. S. 39575. A hybrid 

 Erigeron [between E. acris, L. and E. 

 canadensis, L., found in Surrey]. 



39582. A natural Bcr^ 



ien's-hybrid in England. [iJ. Aquifoliuvi 

 xvulgaris, quasi-wild in Somerset.] 



Marshall, H. J. 39585. A rare 

 specimen of oak tree. [A presumable 

 hybrid between Quercus Cerris and Q. 

 Ilex.] 



[Mattei, G. E.]. 39627. Di una 

 pianta ibrida ottenuta in Sicilia sul- 

 i'inizio dello scorso secolo [dal Barone 

 Tommaso Melazzo]. 



MiCurin, I. V. 39726. „Susse 

 Schlehe". Hybride der Griinen Reine- 

 claude mit der Schlehe. (Russ.) 



Miczynski, K. 39727. Hybridisa- 

 tion des varietes du froment. (Polish.) 



Morris, Sir D. and St03kdale, F. A. 

 39836. Improvement of the sugar- 

 cane by selection and hybridisation. 



Nicholson, W. E. 39995. Weisia> 

 crispa x microstoma. 



Nilsson Ehle, H. 40024. Kreu- 

 zungcn und ihre Bcdcutung fiir die 

 Vcredlungsarbciten mit Herbstweizen. 

 (Schwedisch.) 



Ostenfeld. 40127. Castration and 

 hybridisation in the genus Hieracium. 



Paul, A. W. 40212. Derivation of 

 some recent varieties of roses. 



Peirson, H. 40252. Gymnadenia X 

 Le Grandiana G. Camus. [A hybrid 

 between Gymnadenia conopsea and 

 Orchis maculata.] 



Pfitzer. 40327. Hybridisation and 

 the systematic arrangement of orchids. 



Rivers, H. S. 40737. Gross-breeding 

 of peaches and nectarines. 



Rol£e, R. A. 40787. 40790. Natural 

 hybrids of the Cattleya group. 



Rosenberg, 0. 40808. Cytological 

 investigations in plant hybrids. 



40810. Impfhybriden- 



(Schwedisch.) 



Saunders, E. R. 40978. Certain 

 complications arising in the cross- 

 breeding of stocks [3Iatthiola. incana]. 



Scourfield. 4121)7. Mendehsm and 

 microscojjy. 



■ — 41268. Mendel's law of 



heredity. 



Smith, E. F. 41419. Plant breeding 

 in U.S. Department of Agriculture. 



Strasburger, E. 41620. Individuali- 

 ttit der Chromosomen und die Pfropf- 

 hybriden-Frage. 



Sylv6n, N. 41680. Zwei Senecio- 

 Hybriden. 



Tischler, G. 41802. Sterilitatsur- 

 sachen bei Bastardpflanzen. 



Tschermak, E. 41909. (Deutsch). 

 41910 (English). Bedeutung des 



Hybridismus fiir die Deszendenzlehrc. 



Tubergen, C. G. van, jtin. 41919. 

 Hybrids and hybridisation among 

 bulbous plants. 



Verguin, L. 42026. Orchideea 

 nouvelles de la Provence. 



Vilmorin, P. L. de. 42048. 

 and variations in wheat. 



Hybrids 



