128 



8708 hexagona Nutt. 



8709 hirsiita (Torr.) Wiegand 



8710 hirtula Engelm. 



8711 humistrata Engelm. 



8712 inundata Torr. 



8713 Ipecacuanhae L. 



8714 Jonesii Millsp. 



8715 Laredana Millsp. 



8716 lata Engelm. 



8717 Lathyris L. 



8718 leiococca (Engelm.) Norton 



(E. Texana Boiss.) 



8719 longicruris Scheele 



8720 lucida W. & K. 



(E. Nicaeensis Wats, not All.) 



8721 lurida Engelm. 



8722 Pringlei (Engelm.) Norton 



8723 maculata L,. 



8724 marginata Pursh 



8725 Marylandica Greene 



8726 mercurialina Michx. 



8727 Mexicana (Engelm.) Norton 



(E. multicanlis Engelm.) 



8728 misera Benth. 



8729 mollis Engelm. 



8730 montana Engelm. 



8731 trifaris Norton 



8732 Neo-Mexicana Greene 



8733 nudicaulis Chapm. 



8734 Nuttallii (Engelm.) Small 



(E. zygophylloides Boiss.) 



8735 obtusata Pursh 



8736 ocellata Dur. & Hilg. 



8737 occidentalis Drew 



8738 odontadenia Boiss. 



8739 olivacea Small 



8740 Palmeri Engelm. 



8741 peplifolia(Engelm.)Norton 



8742 paniculata Ell. 



8743 Parishii Greene 

 744 Parryi Engelm. 



8745 pediculifera Engelm. 



8746 peplidion Engelm. 



8747 Peplus L. 



8748 pergamena Small 



8749 petaloidea Engelm. 



8750 pilulifera L. 



8751 discolor Engelm. 



8752 procumbens Boiss. 



8753 platyphylla L. 



8754 literata (Jacq.) Koch 



8755 platysperma Engelm. 



8756 Plummerae Wats. 



8757 polycarpa Benth. 



8758 vestita Wats. 



8759 polyclada Boiss. 



8760 polygonifolia L. 



8761 polyphylla Engelm. 



8762 Preslii Guss. 



(E. nutans of authors, not Lag.) 



8763 prostrata Ait. 



8764 pseudoserpyllifolia Millsp. 



8765 pubentissima Michx. 



8766 pycnanthema Engelm. 



8767 radians Benth. 



8768 Rattani Wats. 



8769 revoluta Engelm. 



8770 robusta (Engelm.) Small 



8771 interioris Norton 



8772 Roemeriana Scheele 



8773 rugulosa (Engelm.) Greene 



8774 Rusbyi Greene 



8775 schizoloba Engelm. 



8776 mollis (Engelm.) Norton 



8777 serpens H. B. K. 



8778 flexicaulis (Scheele) Coult. 



8779 serpyllifolia Pers. 



8780 consanguinea Boiss. 



8781 serrula Engelm. 



8782 setiloba Engelm. 



8783 strictior Holzinger 



8784 stictispora Engelm. 



8785 Texensis Millsp. 



8786 subpubens Engelm. 



8787 telephioides Chapm. 



8788 tetrapora Engelm. 



8789 trachysperma Engelm. 



8790 trichotoma Kunth 



8791 versicolor Greene 



8792 vilifera Scheele 



8793 Wrightii T. & G. 



8794 zinniiflora Small 



CALL.ITRICHACEAE 



Callitriche 



8795 Austini Engelm. 



