684 MISC. PUBLICATION 4 2 3, U. S. DEPT. OF AGRICULTURE 



3. Amsonia eastwoodiana Rvdb., Torrey Bot. Club Bui. 40: 465. 



1913. 

 Near Holbrook, Navajo County (Ward in 1901), Lees Ferry, Coco- 

 nino County (Jones in 1890, Peebles 13021), 3,200 to 5,000 feet, 

 May to June. Southern Utah and northeastern Arizona. 



4. Amsonia jonesii Woodson, Mo. Bot. Gard. Ann. 15: 414. 1928. 

 Navajo Spring, western edge of the Kaibab Indian Reservation, 



Pagumpa Springs, and Pipe Springs (Coconino and Mohave Coun- 

 ties), 4,000 to 5,000 feet, April and May. Colorado, Utah, and 

 northern Arizona. 



5. Amsonia grandiflora Alexander, Torreya 34: 116. 1934. 



Near Patagonia and Ruby (Santa Cruz County), 4,000 to 4,500 feet, 

 April and May, type from near Patagonia (Peebles and Harrison 

 6986). Southern Arizona and northern Mexico. 



6. Amsonia kearneyana Woodson, Mo. Bot. Gard. Ann. 15: 415. 



1928. 

 Plains and mouths of canyons along the western front of the 

 Baboquivari Mountains (Pima County), about 3,500 feet, March 

 and April, type collected by F. A. Thackery (No. 55). Known only 

 from this well-isolated locality, which is farther southwest than any 

 other recorded station of Amsonia in Arizona. 



7. Amsonia hirtella Standi., Biol. Soc. Wash. Proc. 26: 118. 1913. 



Amsonia pogonosepala Woodson, Mo. Bot. Gard. Ann. 15: 



412. _ 1928. 

 Amsonia arizonica A. Nels., Amer. Jour. Bot. 18: 432. 1931. 



Greenlee and Graham Counties to Mohave, Maricopa, and Pinal 

 Counties, 1,500 to 5,000 feet, March to April, type of A. pogonosepala 

 from near Clifton, Greenlee County (Rusby 256), type of A. arizonica 

 from south of Ash Fork, Yavapai County (Nelson 10247). Western 

 Texas to Arizona and Chihuahua. 



Typical A. hirtella, with copious pubescence and linear-lanceolate 

 leaves, has been collected along the Salt River in eastern Maricopa 

 County (Peebles 1 1 655) . Much more common in Arizona is a glabrous 

 or nearly glabrous form with some of the leaves usually broadly 

 lanceolate (A. pogonosepala) . 



.8. Amsonia palmeri A. Gray, Amer. Acad. Arts and Sci. Proc. 12: 64. 



1876. 

 Mohave and Yavapai Counties, 2,500 to 4,300 feet, March to May 

 (occasionally September). Known only from Arizona, where the type 

 was collected by E. Palmer, without definite locality. 



9. Amsonia peeblesii Woodson, Torrey Bot. Club Bui. 63: 35. 1936. 



Eastern Coconino County, 4,500 to 5,000 feet, April to June, type 

 from near Leupp (Peebles 9568) . Known only from northern Arizona. 



Resembles A. eastwoodiana, except in the characters of the fruit. 



3. MACROSIPHONIA 



Plant low, sufFrutescent, puberulent or glabrate ; leaves opposite, the 

 blades ovate or elliptic-ovate; flowers mostly terminal, solitary or 

 in 2's or 3's, sessile or nearly so; corolla funnelform, the limb 1.5 



