ADVERTISEMENT. 



In the prospectus issued in December last a general statement was made of the plan 

 and purpose of this work. As was there stated, the Seminar hopes to be able to put be 

 fore the botanists of the state, in one work, a complete flora of Nebraska, and thus to en- 

 able them to do work that otherwise they could not do except by investing several hun- 

 dred dollars in books, which even then would but imperfectly cover the field. The work 

 is primarily intended for the people of the state, and for that reason the parts here pre- 

 sented do not pretend to be monographs of the groups dealt with and do not attempt 

 exhaustive treatment. The method of dealing with the several groups will, however. 

 vary more or less according to the tastes of the authors of the parts in which they are 

 treated of. 



In cases where two consecutive parts dealing with related groups are ready for publi- 

 cation at about the same time, as in the present case, they will for convenience, be put 

 forth together. But the order in which the parts are numbered will have no relation 

 to the order of publication. Each part will be published when prepared. 



Owing to the small number of Pteridophytes and Conifers reported for the state, it 

 has been thought best to alter the plan announced in the prospectus by uniting parts 

 16 and 17. A catalogue, to which will be added a host-index to the parasitic fungi, will be 

 published as part 25. Changes in nomenclature and the large number of subseqnenl ad- 

 ditions to our reported flora have rendered a new catalogue imperative, and it is believed 

 that it will be found most useful in connection with the Flora. 



The plan as now fixed upon is as follows 



Part 1. 

 2. 

 3. 



1. 



Protophyta— Phycophyta. 



Coleochaetaceae, Characeae. 



Diatomaceae. Supplement to 1. 



Perisporiaceae. 



Pyrenomyceteae. 



Discomyceteae. 



Lichenes. 



Fungi Imperfecti. 



Uredineae. 



Ustilagineae. 



Gasteromyceteae. 



Agaricineae (1). 



Agaricineae. (2). 



Part 14. Polyporaceae— Tremellaceae. 



15. Bryophyta. 



10. Pteridophyta, Gymnospermae. 



17. Monocotyledones. 



18. Gramineae. Supplement t>> IT 

 10. Thalaminorae (1). 



20. Thalaminorae (2). 



21. Disciflorae. 



22. Calyciflorae. 



•J.">. Heteromerae — Bicarpellatae, 



21. Inferae. 



25. Catalogue. 





