225 



15783 incana Aven Nelson 



15784 Ivesiana Greene 



15785 lanata (Nntt.) Greene 



15786 leptoclada (A. Gray) Greene 



15787 linearifolia (Hook.) Greene 



15788 linearis (Nntt.) Greene 



15789 Mancosensis Aven Nelson 



15790 scaposa (DC.) Greene 



15791 simplex Aven Nelson 



15792 Torreyana (Nutt.) Greene 



15793 trinervata Greene 



Rydbergia 



[Actinella in part) 



15794 glabrata (Porter) Greene 

 {Actinella Brandegei Porter) 



15795, grandiflora (T. & G.) Greene 



Macdougalia 



(^Actinella in part) 



15796 Bigelovii (A. Gray) Heller 



Picradenia 



{Actinella in part) 



15797 biennis (A. Gray) Greene 



15798 canescens (D. C. Eaton) 



Greene 



15799 Cooperi (A. Gray) Greene 



15800 floribunda (A. Gray) Greene 



1 5801 Lemmoni Greene 



15802 ligulaeflora Aven Nelson 

 {P. pumila Greene) 



15803 macrantha Aven Nelson 



15804 multiflora (Buckley) Greene 



15805 Richardsonii Hook. 



15806 Rusbyi (A. Gray) Greene 



15807 Texana (Rose) Greene 



15808 Vaseyi (A. Gray) Greene 



Helenium 



15809 amphibolum A. Gray 



1 5810 autumnale L. 



15811 grandiflorum Howell 



1 58 1 2 pubescens (Ait.) Britton 



15813 brevifolium A. Gray 



15814 Curtisii A. Gray 



1 581 5 elegans DC. 



15816 fimbriatum A. Gray 



1 5817 laciniatum A. Gray 



15818 niicrocephalum DC. 



1 5819 montanum Nutt. 



15820 nudiflorum Nutt. 



1 5821 Nuttallii A. Gray 



15822 incisum A. Gray 



15823 ooclinum A. Gray 



15824 parviflorum Nutt. 



15825 quadridentatum Labill 



15826 tenuifolium Nutt. 



15827 badium A. Gray 



15828 Thurberi A. Gray ' 



15829 vernale Walt. 



Heleniastruni 



{Helenium. in part) 



15830 Bigelovii (A. Gray) Kuntze 



1 583 1 Bolanderi (A. Gray) Kuntze 



15832 puberulum (DC.) Kuntze 



15833 rivulare Greene 



Diigaldea 



[Helenium in part) 



15834 Hoopesii (x\. Gray) Rydb. 



Aniblyolepis 



15835 setigera DC. 

 Gaillardia 



15836 acaulis A. Gray 



15837 amblyodon Gay 



15838 aristata Pursh 



15839 Arizonica A. Gray 



15840 lanceolata Michx. 



1 5841 Mexicana A. Gray 



15842 raulticeps Greene 



15843 pinnatifida Torr. 



15844 pulchella Foug. 



15845 picta (Don) A. Gray 



15846 suavis (Engelm. & Gray) 

 {G. simplex Scheele) [B. & R. 



15847 spathulata A. Gray 



Pluniinera 



15848 floribunda A. Gray 



Blennosperma 



15849 Californicum (DC.) T. & G. 



Nicolletia 



15850 Edwardsii A. Gray 



1 585 1 occidentalis A. Gray 



