12 



Helianthus Nuttallii, Torr. & Gray, Nevada. 

 Helianthus giganteus, L., var. Utahensis, Eaton. Utah. 



EiDDELLiA COOPERI, Graj, FroG. Amer. Acad. 7. 358. Arizona. 

 Hymenothrix Wkightii, Gray, Fl. Wright. 2. 97. Torrey, Sitgreave's 



Hep. IGi, t. 6. Arizona. 

 Hymenothrix WisLiZBNi, Gray, PI. Fendl. 102. Arizona. 

 Palaeoxia linearis, hag. Arizona. 

 Chjenactis Douglasii, Hool?;. & Arn. Nevada and Utab. 

 Cn^ENAOTis stetioides, Hook. & Arn. Independence Valley, Nevada. 

 Hymenopappus luteus, Nutt. Arizona. 

 Baiiia leucophylla, DC, Nevada. 

 Helemum autumnale, L. Utab. 

 Layia glandulosa. Hook. & Arn. Nevada. 

 Baileya multiradiata, Harv. & Gray, PL Fendl. 105. Torrey, 



Emorifs Fep. 144, t. 6, Nevada and Arizona. 

 AcHiLivEA Millefolium, L. Nevada, Arizona and Utab. 

 Artemisia draounculoides, Pursh. Arizona and Utab. 

 Artemisia Ludoviciana, Nutt., Arizona; and varieties latiloba, 



Nutt., LATiFOLiA, Torr. & Gray, and Douglasiana, Eaton, in Utah. 

 Gnaphalium luteo album, L., var. Sprengelii, Eaton. Utab. 

 Antennaria dioica, Gajrtn., var. rosea, Eaton. Nevada. 

 Arnica latifolia, Bong. Utah. 

 Arnica longifolia, Eaton. Utah. 

 Senecio aureus, L., var. croceus. Gray. Utah. 

 Senecio triangularis, Uook. Utah.. 

 Senecio lugens, Hook. Nevada. 

 Senecio Douglasii, DC. Torr. & Gray, Flora, 2. 443. Glabrate form, 



San Francisco Mountains, Arizona. 



Tetradymia canescens, DC. Utab. 



CiRSiUM UNDULATU3I, Spreng. Nevada and Utab. 



Perezia Wrigiitii, Gray, PL Wright. 1. 127. Arizona. 



Perezia nana, Gray, PL FendL 111. Arizona. 



Lygodesmia spinosa, Nntt. Utab. 



Ch^tadelpha* WnEELERi, Gray MS. Watson, Amer. Waturalistj. 

 7. 301. Stems numerous, tiexuous, 1 foot high ; leaves linear-lanceo- 

 late, 1-2 inches long, entire, acute, rather rigid ; flowers apparently 

 rose-color; involucre 6 lines long; achenia 3-4 lines long, the 

 brownish pappus exceeding the involucre.— With the habit of Lygo- 

 desmia jiinceay in which genus Bentham and Hooker are disposed to 

 place it. Southern Nevada. 



Malacothrix sonchoides, Torr. & Gray. Nevada and Utab. 

 Crepis acuminata, Nntt. Nevada. 



Crepis occidentalis, Nutt., var. gracilis, Eaton, Nevada and Utah. 

 Macrorhynciius troximoides, Torr. & Gray. Nevada and Utab. 

 SoNCHUs ASPER, Vill. Utah. 



Lobelia cardinalis, L., var. Texensis. Leaves narrowly lanceolate : 



bracts small ; calyx-teeth 2-3 lines long. Arizona. 

 Aectostaphylos glauca, Lindl. (?) Nevada and Utab 

 Ly'simachia ciliata, L. Utah, 



^ "-r^ 



V *CH_ETADP:LPIIA, Gray (New k^uu^ of Cichoma^m.) Heiuls about r>-l]()VYend. 

 luvoliicre cyliudiical, ot 5 linear l-nerved scales in a siii;ile row, culyculatc with 

 several small imbricate scales at base. Receptacle naked. Likniles hhorr.. Ache- 

 nia linear, glabrous, pentagonal, somewhat striate between the an«Wes sli-rhtlv thick- 

 ened upward, truncate at each end. Paupus persistent, brownish, V 5 stout ri^^id ini- 

 nutely barbulate awna, each with 3-5 shorter unequal slender set* more or less^uuited 

 to It at base. A smooth ditiiisely-branched herbaceous perennial, wit!) alternate leaves 

 and solitary terminal flowers.— Watsox, L c. Gray, Troc, Amer. Acad 9. 218. 



