HITCHCOCK AND CHASE—TROPICAL NORTH AMERICAN PANICUM. 539 
Panicum tumescens Trin. Homolepis. 
‘uncinatum Raddi. Echinolaena. 
unispicatum Scribn. & Merr. Paspalum. 
velutinum Bosc. Syntherisma. 
ventenatii Steud. Chaetochloa. 
versicolor Nieuwl. Chaetochloa. 
verticillatum L. Chaetochloa. 
vestitum Kunth. Valota. 
vilvoides Trin. Sacciolepis. 
viride L. Chaetochloa. 
viridiflorum Nees. Homolepis. 
vulpisetum Lam. Pennisetum. 
walteri Pursh. Echinochloa. - 
LIST OF NEW SPECIES, 
Panicum sucosum Hitchc. & Chase.............. 2... cece eee ee eee eee eeee 475 
Panicum altum Hitche. & Chase......... 2.0.0... cc cee eee eee eee 488 
Panicum milleflorum Hitche. & Chase........................2----20-0---- 494 
Panicum stevensianum Hitche. & Chase......................2--..+------ 498 
Panicum pyrularium Hitche. & Chase...............----+------+------+---- 508 
Panicum ineptum Hitchc. & Chase..................-----------+----------- 509 
Panicum chiriquiense Hitchc. & Chase.................----------2-+----- 527 
Panicum stagnatile Hitchc. & Chase...................2.22....2--------- 528 
Panicum grande Hitchc. & Chase.............---.---- 22-2222 e eee eee eee 529 
