S4 



CETPTOGABtOUS PI-Airr« OF WOKTH AMEKICM, 



4661 PROCERA, Willd. 



4662 pycnocephala, DC, 

 46o3 Bichardsoniana, Bess. 

 4664 rigida, Gray. 



466& Bothrockii, Gmy. 



4666 scopivlorum, t iray, 



4667 Senjavinensis, Bess.. 



4668 serrata,. Nutt. 



4669 spinescens, Eaton.- 

 46-70 Stelleriana, Bess. 



4671 tridentata, Nutt, 



var. angustifolia, Gray. 



4672 trittda, Nutt. 



4673 vulgaris, !>-. 



var. Tilesii, l.edeb. 

 var, Calif ornica, Besai- 



4674 Wrightii, Gray.- 

 TussiLago 



4675 Farfara, L, 

 Fetasltes 



4676 VULGARIS, Desf... 



4677 sagittata, Gray^ 



4678 frigida, Fries. 



4679 palnaata. Gray, 

 €acaliopsi3 



46H0 itardosmia. Gray, 

 Luina 



4681 hypoleuca, Benth, 



var. Californica, Gray, 

 Peucephyllum 



4682 Schottii, Gray. 

 Psathyrotes 



466» ranaosissima, Gray- 

 4684 annua, Gray, 

 468& piMfera, Gray. 



4686 scaposa, Gray, , 

 Bartlettia 



4687 scaposa. Gray, 

 Crocidinm 



4688 multicaule, Hook, 

 Haploesthes 



4689 Greggii, Gray, 

 Lepidospartam 



4690 squamatMrn, Gray, 

 Tetradymia 



3691 canescens, DC. 



Var, inermis. Gray. 



4692 glabrata, Gray. 



4693 Nuttallii, T. & G. 



4694 spinosa, Hook, & Am. 

 469-5 comosa, Gray. 



Faillardella 



4696 argentea, Gray. 



4697 scaposa, <;ray. 



var. Eiseni, (iiay. 



4698 Pringlei, (.reene. 



4699 Muirii, Gray. 

 Arnica 



4700 alpina, Olin. 



var. Lessingii, T. & G. 



4701 amplexicaulis, Nutt. 



4702 Chamissonis, Less. 



4703 cor lifoiia, Hook, 



var. eradiata, (irayv 



4704 discoidea, Benth, 



4705 foliosa, Nutt. 



var. incana, Gray.. 



4706 latifolia, Jio) g, 



var. viscidi la. Gray. 



4707 longifolia, 1 aton, 



4708 Nevadensis. (.ray. 



4709 nudicaulis, Sfutt. 



4710 obtusifolia , Less. 



4711 Parryi, Gray. 



4712 parvlflora, Gray. 



4713 Unalaschensis, Less, 



4714 viscosa, Gray. 

 Eenecio 



4715 Actinella, Gresne. » 



4716 amplectens, (iray. 



var. taraxaeoides. Gray. 



4717 ampuUaceus, Hook. 



4718 Arizonicus, (iireene. 



4719 aronicoides, DC. 



4720 aureus, L, 



var. obovatHS, T. & G, 

 var. compactus, Gray, 

 var. Balsamitse, T, & G. 

 var. borealis, T. & G. 

 vor. croceus, (iray. 

 vjy. subnudus, Graiy. 



4721 Bigelovii, Gray. 



4722 Bolanderi, Gray. 



4723 Californieus, DC. 



4724 canus, Hook. 



4725 Cardamine, (ireene. 



4726 cernuus, (iray. 



4727 Clarkianvis, Gray. 



4728 Cleveland!, (ireene. 



4729 crassulus, (iray. 



4730 Douglasii, DC. 



4731 eremophilus, Richards. 



4732 eurycephalus, T. & G. 



4733 fastigiatus, Nutt. 



var. Layneae, Gray. 



4734 Fendleri, dray. 



4735 Fremonti, T. & G. 



var, occidentalis, Gray. 

 4786 frigidus. Less. 



4737 Greenei, Gray. 



4738 Hartwegi, Bentli. 



4739 Hookeri, T. & ( ; . 



4740 Huachucanus, Gray. 



4741 hydrophilus, Nutt.' 



4742 integerrimus, Nutt. 



4743 Lemmoni, Gray. 



4744 lobatus, Pers. 



4745 lugens, Richards. 



var. foliosus. Gray, 

 var. exaltatus. Gray, 

 var. ochroleucus, Gray. 



4746 megacephalus, Nutt. 



4747 Mex.dji,inensis, (.uvy 



