20 



692 amarum Ell. 



693 angustifoliiim Ell. 



694 annulum Ashe 



695 arenicola Ashe 



696 Ashei Pearson 



697 Atlanticum Nash 



698 aiitumnale Bosc. 



699 Baldwinii Nutt. 



700 barbipulvinatum Nash 



701 barbulatum Michx. 



702 Bicknellii Nash 



703 boreale Nash 



704 brachyanthum Steud. 



705 Brittonii Nash 



706 bulbosum H. B. K. 



707 Bushii Nash 



708 Cahoonianum Ashe 



709 calliphyllum Ashe 



710 capillare L. 



711 Gattingeri Nash 



712 capillarioides Vasey 



713 Chapmani Vasey 



714 ciliatissimum Buckley 



715 ciliatum Ell. 



716 ciliiferum Nash 



717 ciliosum Nash 



718 clandesfinum L. 



719 Glutei Nash 



720 cognatum Schultes 



721 Columbianuni Scribn. 



722 Commonsianum Ashe 



723 commutatum Schultes 



724 consanguineum Kunth 



725 Currani Ashe 



726 curtifolium Nash 



727 decoloratum Nash 



728 depauperatum Muhl. 



729 dichotomum h. 



730 digitarioides Carpenter 

 (P. Curtisii^ 



731 Earlei Nash 



732 Eatoni Nash 



733 elongatum Pursh 



734 ensifolium Baldwin 

 {P. Cuthbertii Ashe) 



735 epilifolium Nash 



736 equilaterale Scribn. 



737 erectifolium Nash 



738 fasciculatum Sw. 



739 filiculme Ashe 



740 filipes Scribn. 



741 flavovirens Nash 



742 flexile (Gattinger) Scribn. 



743 gibbum Ell. 



744 glabrifolium Nash 



745 glabrissimum Ashe 



746 gymnocarpon Ell. 



747 Hallii Vasey 



748 Havardi Vasey 



749 Helleri Nash 



750 hians EU. 



751 hirticaulum J. S. Presl 



752 Huachucae Ashe 



753 implicatum Scribn. 



754 inflatum Scribn. & Smith 



755 insulare (L,.) Meyer 



{^P. leucophaeum H. B. K.) 



756 Joorii Vasey 



757 lanatum Rottb. 



758 lanuginosum Ell. 



759 latifolium Iv. 



760 laxiflorum Lam. 



761 Leibergii (Vasey) Scribn. 



762 leucothrix Nash 



763 Lindheimeri Nash 



764 linearifolium Scribn. 



765 longifolium Torr. 



766 longiligulatum Nash 



767 longipedunculatum Scribn. 



768 lucidum Ashe 



769 macrocarpon LeConte 



770 maculatum Ashe 



771 malacon Nash 



772 malacophyllum Nash 



773 Manatense Nash 



774 Mattamusketense Ashe 



775 maximum Jacq. 



776 meridionale Ashe 



777 microcarpon Muhl. 



778 microphyllum Ashe 



779 miliaceum L,. 



780 minus (Muhl.) Nash 



781 moUe Sw. 



782 neuranthum Griseb. 



783 Nashianum Scribn. 



784 nemopanthum Ashe 



