169 



n6io paniculata Nutt. 



11611 Torreyi (A. Gray) Heller 



Draper! a 



11612 systyla Torr. 



Pliacelia 



11613 alpina Rydb. 



11614 Arizonica A. Gray 



11615 Arthur! Greene 



11616 Bicknellii Small 



11617 bicolor Torr. 



11618 biennis Aven Nelson 



11619 bipinnatifida Michx. 



11620 Bolanderi A. Gray 



11621 Boykinii (A. Gray) Small 



11622 brachyloba A. Gray 



11623 brevistylis Buckley 



11624 Brewer! A. Gray 



11625 caerulea Greene 



11626 campanularia A. Gray 



11627 campestris Aven Nelson 



11628 cephalotes A. Gray 



11629 ciliata Benth. 



11630 circinatiformis A. Gray 



11631 congesta Hook. 



11632 dissecta A. Gray 



11633 Covillei Wats. 



11634 crassifolia Torr. 



11635 crenulata Torr. 



11636 curvipes Torr. 



11637 Davidson!! A. Gray 



11638 macrantha S. B. Parish 



11639 demissa A. Gray 



1 1640 deserta Aven Nelson 



11641 distans Benth. 



11642 divaricata A. Gray 



11643 Douglas! i Torr. 



11644 dubia (L.) Small 



(P. parviflora Pursh ) 



11645 Eisenii Brandegee 



11646 fimbriata Michx. 



11647 floribunda Greene 



11648 Franklinii (R: Br.) A. Gray 



11649 Fremont!! Torr. 



11650 frigida Greene 



11651 glabra Nutt. 



11652 glandulosa Nutt. 



11653 glechomaefolia A. Gray 



11654 grandiflora A. Gray 



11655 grisea A. Gray 



1 1 656 gymnoclada Torr. 



11657 heterophylla Pursh 



(P. circinata A. Gray, not Jacq.) 



11658 heterosperma Parish 



11659 hirsuta Nutt. 



11660 hispida A. Gray 



11661 brachyantha Coville 



11662 humilis T. & G. 



11663 calycosa A. Gray 



11664 hydrophylloides Torr. 



1 1 665 Idahoensis Henderson 



11666 imbricata Greene 



11667 inconspicua Greene 



11668 infundibuliformis Torr. 



11669 integri folia Torr. 



11670 Palmer! A. Gray 



11671 intermedia Wooton 



11672 Ivesiana Torr. 



11673 l axa Small 



11674 Lemmoni A. Gray 



11675 leptostachya Greene 



11676 leucophylla Torr. 



11677 leucantha Lemmon 



11678 linearis (Pursh) Holzinger 

 (P. Mcnziesii Torr.) 



11679 loasaefolia Torr. 



11680 longipes Torr. 



11681 Lyallii (A. Gray) Rydb. 



11682 Lyoni A. Gray 



11683 malvaefolia Cham. 



11684 minutissima Henderson 



11685 Mohavensis A. Gray 



11686 exilis A. Gray 



11687 mutabilis Greene 



11688 nemoralis Greene 



11689 Neo-Mexicana Thurber 



11690 pachyphylla A. Gray 



11691 Parish!! A. Gray 



11692 Parry! Torr. 



11693 patuliflora A. Gray 



11694 pauciflora Wats. 



11695 pedicellata A. Gray 



11696 perityloides Coville 



11697 pinetorum Jones 



11698 platyloba A. Gray 



11699 Pope! T. & G. 



