No. 435] NOTES AND LITERATURE. 219 



A considerable number of illustrations of Platycerium occur in The 

 Gardeners" Chronicle of January 10. 



The principal articles in the January number of The Bryologist 

 are : — E. G. Britton, Sematophyllum recurvans ; Grout, Orthotri- 

 chum ; and Holzinger, Karl Gustav Limpricht. 



An important cytological paper on the Basidiomycetes by Maire, 

 is published as a supplement to the Bulletin dcla Societe Mycologique 

 de France, of December 31, which also contains a paper by Gueguen 

 on teratological specimens in the same group. 



in the opening fascicle of Vol. VIII, ser. 3, of the Analcs del A/useo 

 Nacional de Buenos Aires. 



Mr. Massee notes the introduction of Cintractia patagonica into 

 England, in The Gardeners' Chronicle for January 3. 



A study of yeast cells and their nuclear difference from unicellular 

 animal organisms, by Feinberg, is contained in the Bericht der 

 Deutschen Botanischen Gesellschafr issued on December 23d. 



Traverso publishes a note on the Sclerospora of grasses, in fascicle 

 5-7 of Malpighia for 1902. 



Fascicle 2 of the supplement to the Index Kcwensis, has appeared 

 and covers the phanerogamic genera Cymbidium to Iriha. 



As one of the "Twentieth Century Text Books" issued by the 

 Appletons, an "Analytical key to some of the common flowering 

 plants of the Rocky Mountain Region," by Professor Aven Nelson, 

 was published in June last. 



The laws of plant distribution in the alpine zone are discussed by 

 Jaccard in No. 144 of the Bulletin de la Societe Vandoise des Sciences 

 Naturelles. 



Several papers on antarctic plants are contained in the concluding 

 number of Nyt Magazin for Natitn-idens Kaberne, for 1902. 



The double Lieferung 22-3 of Ascherson and Grabner's "Synop- 

 sis der Mitteleurpaischen Flora" completes the grasses and enters 

 on Cyperacea>. 



A sand-hill flora study in Lancashire, by Bailey, is contained in 

 the Memoirs and Proceedings of the Manchester Literary and Philo- 

 sophical Society, issued December 15. 



