696 CONTEIBUTIONS FEOM THE NATIONAL HEKBAEIUM. 



Plants caulescent. 



Bracts of the involucre with dark umber-colored upper 

 portions. 



Inner bracts not rose-colored '. 5. A. umhrinella. 



Inner bracts rose-colored G. A. concinna. 



Bracts with white, pale yellowish, or pink upper portions. 

 Heads large, 8 to 12 mm. high. 



Plants tall, 20 to 30 cm. ; heads pedunculate; low- 

 er leaves 3-nerved; stolons much elon- 

 gated 7. A. obovata. 



Plants low, usually 10 cm. or less; heads sub- 

 sessile; lower leaves not 3-nerved; stolons 



short 8. A. aprica. 



Heads small, 5 to 8 mm. high. 



Bracts with pink upper portions 9 . A. imbricata. 



Bracts with white .or pale yellowish upper por- 

 tions. 

 Tomentum of leaves closely appressed, silky, 



shining 10. A. microphylla, 



Tomentum of leaves loose, not silky. 



Inflorescence, stems, and usually the 

 leaves glandular; bracts with 

 greenish or brownish spots, the 



tips pale yellowish 11. A. visddula. 



Plants not glandular; bracts not spotted 

 with green or brown, the tips 

 white 12. A. arida. 



1. Antennaria marginata Greene, Pittonia 3: 290. 1898. 



Type locality: New Mexico, probably about Santa Fe. Type collected by Fend- 

 ler (no. 523). 

 Range: Mountains of Colorado, New Mexico, and Arizona. 

 New Mexico: Stinking Lake; Tierra Amarilla; Santa Fe. Transitibn Zone. 



2. Antennaria fendleri Greene, Leaflets 2: 143. 1911. 



Type locality: Near Santa Fe, New Mexico. Type collected by Heller (no. 3612). 



Range: Moimtains of northern New Mexico. 



New Mexico: Santa Fe; Hermits Peak. Transition Zone. 



3. Antennaria peramoena Greene, Leaflets 2: 144. 1911. 



Type locality: Wheelers Ranch, New Mexico. Type collected by Wooton, July 

 11, 1906. 



Range: Mountains of southwestern New Mexico. 



New Mexico: Wheelers Ranch; Pinos Altos; Burro Mountains. Transition Zone. 



4. Antennaria rosulata Rydb. Bull. Torrey Club 24: 300. 1897. 

 Type locality: Arizona. 



Range: Colorado to Arizona and New Mexico. 



New Mexico: Tunitcha Mountains; Tierra Amarilla. Meadows and hills, in the 

 Upper Sonoran and Transition zones.. 



6. Antennaria umbrineUa Rydb. Bull. Torrey Club 24: 302. 1897. 

 Antennaria mucronula E. Nels. Bot. Gaz. 27: 209. 1899. 

 Type locality: Long Baldy, Little Belt Mountains, Montana. 

 Range: Mountains from Oregon and Wyoming to northern New Mexico. 

 New Mexico: Truchas Peak; Pecos Baldy. Arctic-Alpine Zone. 



