'CRTTTOtSXMiJUS PLASTS OIP NOKTH ATBT.TSTCA. 



4S 



■var. Isevlgatus, Gray, 

 var. iitoreus, (iray. 

 var. thyrsiflorus, Gray-, 



3828 nemoralis, Ait. 



3829 obloHgifolius, Nutt. 



var. rigid«lus, ( .ray, 



3830 occidentalis, Nutt. 



var. intermedius, Gray, 

 var. scabriusceulus,Gra^. 



3831 Oreganus, Nutt 



3832 paludosus, Ait. 



3833 phyllolepis, T. & G, 



3834 patens, Ait. 



var. gracilis, Hook, 

 var. phlogifolius, Nesa. 



3835 Perteri, (iray. 



3836 polyphyllus, Wilid, 



3837 paniculatus, Lara. 



3838 patalus, 'Lam. 



3839 prenanthoides, MuM, 



3840 punieeus, L. 



var. tevicaulis. Gray. 

 var iHcidulus, Gray. 



3841 peregrinus, Pursh, 



3842 pygmseus, LindL 



3843 ptarmicoides, T. & G. 



var, (ieorgianus. Gray, 

 var. lutescens. Gray, 



3844 Parryi, (iray. 

 S845 pulchellas, Eaton, 

 3646 pauciflorus, Nutt. 



var. gracillimus, Gray. 

 3847 Palmeri, (jray. 

 S848 Patters6ni, Gray. 



3849 parviflorus, Gray. 



3850 radula, Ait. 



var. strictus, Gray. 



3851 radulinus, (-ray. 



3852 racemosus. Ell. 



3853 reticulatus, Pursh. 



3854 riparius, HBK. 



3855 spinulosus, Chapm. 



3856 Shastensis, (Tray. 



3857 speclabilis. Ait. 



3858 surculosus, Mx. 



3859 Sibiricus, L. 



var. giganteus, Gray. 



3860 sericeus. Vent. 



var. montanus, Gray. 



3861 squarrosus, Walt. 



3862 Sliortii, Hook. 



3863 sagittifolius, Willd. 



3864 salicifolius, (Lam?) AiL 



var. cserulescens, Gray, 

 var. subasper, Gray. 



3865 spathulatus, Lindl. 



3866 scopulorum. Gray. 



3867 stenomeres. Gray. 



3868 spinosus, Benth. 



3869 subulatus, Mx. 



3870 tenuifolius, L. 



3871 torti^olius. Gray. 



3872 turbinellus, LindL 



3873 T-radescanti, L. 



3874 tardiflorus, L. 



3875 tanacetifoUus, IIBK. 



var. pygmseus, dray. 



3876 undiilatus, L. 



var. diversifolius, ( .tray. 



3877 umbeflatus, Mill. 



var. pubens, ( iray. 

 var. latifolitts. Gray. 



3878 virgatns, Ell. 



3879 versicolor, WiHd. 



3880 vimineus. Lam. 



var, fcdiolosus, Gray, 



3881 Wrightii, ( .Tay. 



3882 Watsoni, (iray. 



3883 Xylorrhiza, T. & G. 

 Erigeron 



3884 acris, L. 



vat, Droebadiensis.Blytfc. 

 var, debilis, (jray. 



3885 alpinus, L. 



3886 armuus, .Pers. 



3887 armerisefolius, Turoz. 



3888 ATizonicus, Gray. 

 3888 argentatus, ( . ray. 

 3890 asperugintais, ( . ray-. 

 3fc9l Bigelovdi, Oray, 



3892 Brandegei, ( . ray. 



3893 Bloomeri, (ixaj. 



3894 Breweri, (;ray. 



3895 Bellidiastrum, Nutt. 



3896 belliditdi-us, Mutil. 



3897 Coulteri, T. 0. Porter, 



3898 concLnnus, T. & G. 



var. aphanactis, ( .ray. 



3899 Ctu:yso;psidis, (.ray. 



3900 compositus, Pursli. 



var, diseoideus, dray, 

 var. pinnatisectus, Gray. 

 var. trifldus. Gray, 



3901 canus, dray. 



3902 csespitosus," Nutt. 



3903 corymbosus, Nutt, 

 39u4 Canadensis, L. 



3905 dectimbens, Nutt. 



3906 divergens, T. i& ».. 



var. cinereus. Gray. 



3907 divaricatus, Mx. 



3908 Eatoni, dray. 



3909 eriophyllus, Gray. 



3910 tilifolius, Nutt. 



3911 foliosus, JJutt. 



var. stenopnyllus, Gray, 

 var. tenuissimus, Gray. 



3912 flagellaris. Gray. 



3913 grandiflorus, Hook. 



var. elatior, dray. 



3914 glaucus, Ker. 



3915 glabellus, ifutt. 



