GOLDMAN—PLANT RECORDS OF LOWER CALIFORNIA. 869 
enters the subtropical area. It is abundant at low elevations nearly throughout the 
Peninsula, but favors dry hillsides, growing to a height of 1 to 2.5 meters, with a 
rounded top. The long, naked flower stems project above the dome of dense foliage 
and become dry and brittle after the seeds have ripened. Flowering specimens 
were collected by us at San Pablo, October 3, and between Tres Pachitas and Valle 
Flojo, December 25. According to Brandegee ' the local name of the plant in the 
southern part of the Peninsula is “incienso,’’ derived from a resinous exudation 
which is collected and burned as an incense in the churches. Hornaday ? mentioned 
its occurrence in Sonora, where he formally named it “white brittle bush.”’ 
Eupatorium peninsulare T. 8. Brandeg. - 
This shrub is common along the lower slopes of the mountains from near Mulegé 
throughout the southern part of the Peninsula. It appears to belong with the sub- 
tropical flora of the region. A flowering specimen was taken about 5 miles southwest 
of El Potrero, October 31. 
Franseria bryanti Curran. STAR THORN. 
First seen between San Andrés and Rosarito, near the west coast. It was noted at 
intervals along the route southward to the Llano de Yrais, growing 0.5 to 1 meter high, 
On dry, stony hills between San Ignacio and Santa Rosalia it was one of the more 
abundant plants. Flowering specimens were collected at 360 meters near Tinaja de 
San Esteban, 25 miles north of San Ignacio, October 5. The species was described 
from material collected by Bryant at Magdalena Bay. It is conspicuous from the 
armament of long whitish thorns which stand out from the branches and radiate in 
clusters near the tops. From these thorn clusters the pladt was given the name 
“star thorn’”’ in my field notes. 
Franseria carduacea Greene.® 
This species was based on material collected by us at 1,020 meters altitude near 
Tinaja de Santana, 35 miles north of San Ignacio. It is common as a shrub 2.5 to 3.5 
meters high. 
Isocoma venata (H. B. K.) Greene, 
This species, or one of its forms, is abundant in the vicinity of the mouth of the 
San Simén River, near San Quintin. It grows here as a shrub 1.2 to 1.8 meters in 
height. Flowering specimens were taken August 29. 
Lepidospartum squamatum A. Gray. 
A common shrub, 1.5 to 2 meters high, along the sandy wash at Calamahué. This 
species ranges in the Lower Sonoran Zone from southern California southward. At 
Calamahué the flowers were fading September 15. 
Palafoxia arenaria T. S. Brandeg. 
This species is known only from the southern part of the Peninsula. It was described 
from material taken between the lagoon and the ocean near Boca de Las Animas, near 
San Jorge. Along the shore of the bay near La Paz, where we collected the species 
in flower February 17, it seemed to prefer sandy situations, as suggested in the original 
description. 
Peucephyllum schottii A. Gray. 
This shrub ranges in the Lower Sonoran Zone in Sonora and northeastern Lower 
California. It was common along the broad wash at Calamahué, growing 1.8 to 3.5 
meters high, with a dense bushy top. The ripe seeds were falling September 15. 
* Zoe 1: 83. 1890. ? Camp-Fires on Desert and Lava, pp. 182-183. 1908. 
3 See p. 311. 
