J /---a E#^ I 



47 



geological formations and their accompanying floras are of value 

 and are often of unexpected interest. The author is working in 

 a field of research which ought to bring forth good results. 

 Rtists and Smuts of Nebraska — A Preliminary Ermmeration of 



the. (Bull. No. II, Agrlc. Exp. Sta. of Neb.. 37-82). 



One hundred and nineteen rusts and tv/enty smuts are enu- 

 merated, to which is appended an index to all the host plants 



mentioned. 



Sequoia — The Great. Chas. H. Shinn. (Garden and Forest, ii. 



614-615). 



The author here gives the early history of the discovery of 

 the ''big trees " and the rapid rate at which they are now being 

 destroyed for commercial purposes. 

 Smut in Oats — Preliminary Report on. (Bull. No. 8, Kans. 



State Agric. Coll. Exp. Station, Oct. 1889). 



Ustilago segetum, (Bull.) Ditm. is described and figured, as is 

 also the striking smut, Tilletia fcetens, (B. and C.) Trel. which 



affects wheat. 



Smnt of Indian Corn — The, C. E. Bessey. (Bull. No. 1 1. 



Agric. Exp. Sta. of Neb., 25-35, figs. 8 and 



Ustilago 7naydis is figured. 



Smut of Wheat and Oats — The, J. C. Arthur and Chas E. Bes- 

 sey. (Bull. No. II, Agric. Exp. Sta. of Neb., 1-23, figs, i- 



Tilletia fcEtens and Ustilago segeium are figured. 



Station Botanists at Washington — The, Byron D. Halsted. 



(Bot. Gaz. xiv. 305-309). 



This is the report of the Secretary of the Botanical Committee 



w 



of the Association of American Agricultural Colleges and Ex- 

 periment Stations, for the meeting held at Washin 

 November 12-15, 1889. 

 Sugar Producing Plants, Wilford Skaife. (Can. Rec. of Sci. 



iii. 455-475). 



An historical account of sugar-making from the earliest times, 

 the plants used and methods employed. 

 Theobroma cacao, (Le Nat. Canadien, xix. 113, fig. 15). 

 Ueber Brasilianische Kletterstraucher, H. Schenck. (Verhand. 



Naturw. Verein der Rheinl., 1889). 

 yiburnuni paucifloriLm. C. S. S. (Gard. and Forest, iii. 4 fig. l). 



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