18 
Attention is called to a very important fact, that the specimens which 
have been collected by American botanists are so wrongly identified 
that several species often oecur under the same specific name. 
The accompanying 9 figures have been drawn directly from the dried 
specimens, and give the exact appearance of the specimens and species 
in question as represented in the herbaria named. 
PANICUMS IN THE HERBARIUM BEROLINENSE. 
Panicum pauciflorum Ell. (on species cover). A few specimens, labeled leuco- 
blepharum, collected in Oregon by Lyall, differ from the specimen submitted b 
ofessor Scribner in having the Py ramidal panicle 
ferent from P. e ei e eee eii In WW 
the same cover are also some specim f P. nodi- NVA 
florum Lam., which are from Ar tsm d 8 her- 
FIG. 10. Panieum cartilagineum Muhl. 
Herb. Hooker No. 100.“ Second and ni 
glumes pu puris = hairy. 
Berol.) 4 nat. 
; leaves 
rigid, involute. (Mus. Berol.) ) 4 nat. size. 
barium, and these do not represent anything but our common P. dichotomum L. 
asit occurs in the E of Washington, D. C. 
laxiflo: Fig. 7.) Thes gured specimen was collected by Bey- 
rich, “in fruticetis ihe ” (1834). It is very pies from Curtiss’s North 
American Plants, No. 3597, distributed under that na 
Kth. Only one specimen, representing a | young but isi. a 
