(459) 
4. Lonicera LepDEBouritI Esch. Mem. Acad. Sci. Petersb. 10: 284. 
1826. 
Chamaecerasus Ledebouri Billiard, L’Hort. Franc. 1861: 256. 1861. 
Lonicera intermedia Kell. Proc. Calif. Acad. 1: 154. 1863. 
Caprifolium Ledebourit Kuntze, Rev. Gen. Pl. 1: 274. 1891. 
Distegia Ledebourit Greene, Man. Bot. Bay Reg. 164. 1894. 
Xylosteum Ledebourit Howell ,Fl. N. W. Am. 1: 282. 1900. 
Lonicera involucrata Ledebouriit Hort.; Zabel in Beissner, Schelle 
& Zabel, Handb. Laubholz-Ben. 461. 1903. 
Type locality: Collected by Eschscholtz, probably in the vicin- 
ity of San Franscisco. 
Distribution: In moist shady places along streams; Santa 
Barbara northward through the Coast ranges and along the western 
slope of the Sierra Nevada to northern California. Transition 
and Upper Sonoran. 
Specimens examined: Santa Barbara, Elmer 4138. 
AMBROSIACEAE. Racweep Famity. 
Involucre of pistillate heads with broad silvery scarious wings. 
1. Hymenoclea. 
Involucre of pistillate heads armed with several rows of prickles. 
2. Gaertneria. 
1. HYMENOCLEA. 
Involucral bracts of pistillate heads spirally alternate, 5 mm. broad. 
1. H. Salsola. 
Involucral bracts of pistillate heads in a single whorl, 1-2 mm. broad. 
2. H. monogyra. 
1. HyMENocLEA Satsoua Torr. & Gray, Pl. Fendl. 79. i849. 
Type locality: “Sandy, saline uplands near the Mohave River, 
in the interior desert of California.” Transition and Upper Son- 
oran. 
Distribution: A common shrub in the sandy washes throughout 
the desert region. Lower Sonoran. 
Specimens examined: Palmdale, Elmer 3622; Mohave Desert, 
Brandegee; Whitewater, Vasey, Feb., 1881; Palm Springs, Parish 
4123; San Felipe, Vasey, June, 1880; Rock Creek, Abrams & 
McGregor 542; Willow Springs, Abrams &§ McGregor 422. 
