A.H. 



UNITED STATES DEPARTMENT OF AGRICULTURE, 



DIVISION OF AGROSTOLOGY, 



WASHINGTON, D. C. 



February 26, 189 7. 



' Mr. Walter Deane, 



|' Cambridge, Mass. 



■< My dear Mr. Deane: 



) After retaining for many months the package of grasses which 



4 



you sent for examination, I return them herewith with some observa- 

 tions which may be of interest to you. It is hardly worth while 

 I for me to keep the package longer for more positive determinations, 



i I have ventured to number in blue pencil the sheets to v/hich I shall 



J"' refer: 



^ 1. Panicum porterianum Nash. It is also what I must still regard 



as Panicum latifolium Linn., in spite of Nash's observations 

 ^ and Trinius' classification. 



I ^ 2. Panicum boreale Nash, and I think Panicum laxiflorum of Trinius. 

 ^ "^"^ not of Lamarck. 



K 3 I do not know. The spikelets are too small for those ticketed 

 V Panicum commutatum. I have specim.ens of undoubted Panicum 



^ sphaerocarpon, which I can not distinguish from this grass 



of yours. 



5. -^Panicum angustifollum Ell. 



1^^ 



7. Doubtfully referred to Panicum lanuginosum Ell. It is a re- 

 duced form of something rather difficult to identify. 



8. Panicum capillars. 



^ 9. Panicum capillare minus. (Panicum minus (Muhl.) Nash.) 



10.) ' 



;. Pani cum c ommu tatum . 



V 11 -ft 



A 12. On the same sheet with 11, Panicum leibergii Scribn. A very 

 ' good species, of which I have had an illustration made, 



and v/ill soon publish- 



