21 



785 nitidum Lam. 



786 nudicaule Vasey 



787 obtusum H. B. K. 



788 occidentale Scribn. 



789 octonodum Scribn. & Smith 



790 Orangense Ashe 



791 ovale Ell. 



792 ovinum Scribn. & Smith 



793 parvispiculum Nash 



794 paspaloides Pers. 



795 patentifolium Nash 



796 pauciflorumh Ell. 



797 paucipilum Nash 



798 pedicellatum Vasey 



799 pernervosum Nash 



800 perlongum Nash 



80 1 platyphyllum Munro 



802 polyanthes Schultes 



803 polycaulon Nash 



804 Porterianum Nash 



805 proliferum Lam. 



806 prostratum Lam. 



807 psammophilum Nash 



808 pseudanceps Nash 



809 pseudopubescens Nash 



810 pubescens Lam. 



811 pubifolinm Nash 



812 pyriforme Nash 



813 repens L. 



814 Reverchoni Vasey 



815 Roanokense Ashe 



816 rostratum Muhl. 

 (P. anceps Michx.) 



817 saccharatum Buckley 



(P. lachnanthum A. Gray) 



818 scabriusculm Ell. 



819 scoparioide Ashe 



820 scoparium Lam. 



821 Scribneriamim Nash 



822 sparsiflorum Vasey 



823 sphaerocarpon Ell. 



824 sphagnicola Nash 



825 stenodes Griseb. 



826 strictifolinm Nash 



827 subspicatum Vasey 



828 tenerrimum Trin. 



829 Tennesseense Ashe 



830 Texanum Buckley 



831 thermale Bolander 



832 Thurowii Scribn. & Smith 



833 trifolium Nash 



834 tsugetorum Nash 



835 Urvilleanum Kunth 



836 verrucosum Muhl. 



837 villosissimum Nash 



838 virgatum L. 



839 breviramosum Nash 



840 confertum Vasey 



841 viscidum Ell. 



842 Webberianum Nash 



843 Werneri Scribn. 



844 Wilcoxianum Vasey 



845 Wrightianum Scribn. 



846 xanthophysum A. Gray 



Echiiiochloa (166) 



(Panicum in part) 



847 colona (L.) 



848 Crus-galli (L.) Beauv. 



849 Walteri (Pursh) 



Syntherisma (166) 



(Panicum in part) 



850 Bakeri Nash 



851 barbata (Willd.) Nash 



852 filiformis (L.) Nash. 



853 fimbriata (Link) Nash 



854 fuscescens (Presl) Scribn. 



855 gracillima (Scribn.) Nash 



856 humifusa (Pers.) Rydb. 

 (S. linearis (Krock) Nash) 



857 Mississippiensis (Gattinger) 



Nash 



858 leucocoma Nash 



859 sanguinalis (L.) Dulac 



860 serotina Walt. 



861 setosa (Desv.) Nash 



862 setigera (Roth) Nash 



863 Simpsoni (Vasey) Nash 



864 villosa Walt. 



Oplismeims 169 



865 hirtellus (L.) R. & S. 



866 Liebmanii Fourn 



Chaetochloa 171 



(Setaria, also Ixophorus, Nad.) 



