(452) 
Distribution: Chaparral belt of the interior mountains of 
southern California. Upper Sonoran. 
Specimens examined: Vicinity of Fort Tejon, Xantus 63; 
Acton, Elmer 3507; Pasadena, Mc Clatchie, June 28, 1893; Water- 
man Canyon, San Bernardino Mountains, Hall, July 13, 1899; 
foothills, San Bernardino Mountains, Parish, June 1, 1898; Clark’s 
ranch, San Bernardino Mountains, Abrams 2939; mountains east 
of San Diego, Parry, 1850 (type); Potrero, Susan G. Stokes, July, 
1895; Abrams 3726; Claremont, Baker 5967; Julian, Palmer 274; 
Palomar Mountains, Chandler sa41; | Chalk Hill, San Jacinto 
Mountains, Hall 2634; Oakgrove Canyon, Liebre Mountains, 
Abrams F McGregor 304; Cajon Pass, Abrams F McGregor 608. 
3. PENTSTEMON ANTIRRHINOIDES Benth.; A. DC. Prod. 10: 594. 
1846. 
Type locality: “In California.” First collected by Coulter. 
Distribution: In the chaparral of the low foothills and plains, 
from the vicinity of San Bernardino and the Santa Ana Mountains, 
southward to northern Lower California. Lower and Upper 
Sonoran. 
Specimens examined: Colton, Jones 3178; near San Bernardino, 
Parish, May 26, 1898; Reche Canyon, Hall, May 17, 1899; El- 
sinore, Mc Clatchie, May 20, 1893; near San Jacinto, Leiberg 3220; 
Foster, Hall 3879; San Miguel Mountain, Chandler 5273; Potrero, 
Abrams 3712; near Fallbrook, Abrams 3347; San Ysabel, Hen- 
shaw 146; Silverado Canyon, Santa Ana Mountains, Helen D. 
Gets 735; canyon of the San Jacinto River, Hall 2016, June, 
1901. 
4. PENTSTEMON jacINTENSIs Abrams, Bull. Torrey Club 33: 
445. 1906. 
Type locality: “San Jacinto Mountain, altitude 9,000 feet. 
Distribution: Open pine forests of the San Jacinto Mountains. 
Transition. 
Specimens examined: San Jacinto Mountain, S. B. t9 IF. F. 
Parish 473; Hall 704; Tahquitz Valley, Hall 2588; F. Grinnell, 
July, 1908. 
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