22 
Panicum tectum. (Fig. 15.) This specimen is labeled “ P. pubescens Michx. 
and was collected by Muhlenberg in North America. The obtuse uiti 
villons-pubescent, the leaves ciliate with hairy sheaths; the nodes have long 
retrorse hairs 
E 
Y 
NN | 
D a 
Sa 
— N | 
= \ i 
a 
Fra. 14. 5 m pauciflorum Bosc. Bischoff. FIG. 15.—“Panicum pubescens Mx. Muh- i 
P. depauperatum Muhl.” 8 8 . leaves lenberg misit. Amer. borealis," Spike- a 
and arae downy. (Willd. Herb., Mus. Berol.) lets vill pubescent, sheaths bairy. | 
ves ciliate. (Willd. Herb. Mus. 
Berol) 4 nat. size. 
iatum. A specimen from North America is like the P. nitidum form t 
with rather long leaves, from Brookland, 
Panicum coloratum. This is our P. virgatum. my 
Panicum depauperatum. This is our typical form. 
RESUME. A 
Panicum: | 
fascienlatum Sw. a 
ie a | tasco-ubens Lam. E 
usco-rubrum Lam. : 
agrostoides Muhlbg..... agrostidiforme Lam. de 
agrostoides Sprgl a 
elongatum Pursh........ rigidulum Bosc. 
Lagrostoies Muhlbg. fide Willdenow. 
th. 
autumnale Bosc......... dias El. 
cognatum Sehult. 
pauciflorum Ell......... leucoblepharum Trin. 
r nodi florum Lam. 
barbulatum Miehx. 
dichotomum I... -< € e 
Mie mein W. (Muhlbg. ) 
