d. Lee 
1901] Scribner & Merrill, — New England Panicum 95 
$ II. EuPANICUM Benth. in Benth. & Hook. Gen. Pl.3: 1102. 
1883. Spikelets awnless, all pedicellate in panicles, the branches 
of which are single or fascicled, generally much branched, usually 
naked below, spreading, or sometimes erect. 
A. Basal and culm leaves similar in shape; spikelets acute or acuminate. 
HoMOPHYLLA (Page ror). 
(a) Primary branches of the panicle spreading, the secondary ones ap- 
pressed, rather densely flowered, spikelets 3 mm. long (Zxce/sa Bentham). 
4. P. agrostoides Spreng. 5. P. longifolium Torr. 
(^) Panicles strict; branches appressed ; spikelets 5 to 6 mm. long. 
6. P. amaroides Scribn. & Merrill 
(c) Panicles diffuse. 
7. P. virgatum Linn. 11. P. minimum(Engel.) Scribn. 
8. P. verrucosum Muhl. & Merrill. 
9. P. proliferum Lam. 12 P. miliaceum Linn. 
10. P.capillare Linn. 
B. Basal leaves different in shape and much shorter than those of the culm, 
leaves of the branches smaller and more crowded than those of the primary 
stem ; spikelets usually obtuse or abruptly acute. (Panicum depauperatum 
excepted) HETEROPHYLLA (Page 107). 
13. P. depauperatum Muhl. 24. . P. commutatum R. & S. 
14. P. linearifolium Scribn. 25. P. boreale Nash. 
15. P. xanthophysum A. Gray, 26. P. werneri Scribn. 
16. P, clandestinum Linn. 27. P.nitidum Lam. 
17. P. macrocarpon Le Conte. 28. P. clutei Nash. 
18. P. latifolium Linn. 29. P.sphaerocarpon Ell. 
19. P. scribnerianum Nash. 30. P.atlanticum Nash. 
20. P. barbulatum Michx. 31. P.unciphyllum Trin. 
21. P. mattamusketense Ashe, 32. P. lanuginosum Ell. 
22. P.dichotomum Linn. 33. P. columbianum Scribn. 
23. P. bicknellii Nash. 
$ III. EcHiNOCHLOA Beauv. Agrost. 53. 7 zz. 1812. (as a ge- 
nus).— Spikelets sessile or short pedicellate, densely imbricate in 
thick three to four ranked racemes, which are alternate on the 
common rachis, second and third glumes muricate-hispid, very 
acute, or generally bearing a long scabrous awn. (Page 126.) 
34. P.crus-galli Linn. 35. P. walteri Pursh. 
