42 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Type locality, ‘‘hillsides, Duftield’s Ranch, Sierra Nevada,” Cali- 
fornia; collected by Bigelow, type in Herb. Columbia Univ. 
California, extending into Lower California. 
Specuneis eramined: ‘ 
CaLirornra: Bigelow, in 1853-54; Bolander 4644, in 1866; Rattan 300, in 1860—1 867; 
Ukiah, Nellogg & Harford 302, May 5, 1869; Fall Brook, Jones 3098, March 23, 
1882; Los Angeles, Hasse, May, 1888 and 1889; Green Horn Mountains, 
altitude 1,800 to 2,100 meters, Kern County, Palmer 48, June 7-15, 1888; 
Humboldt County, Muarshal/, in 1888; same station, Chesnut & Drew; San 
Rafael, Brandegee, April, 1889; Plumas County, Lemmon 31, May 28, 1889; 
Summit, Greene, July 19, 1893; Lassen County, Baker & Nutting, July 9, 1894; 
Santa Barbara County, Jda M. Blochinan, April 3, 1895; Eldorado County, 
Hansen V7, June 11, 1895; Butte County, Mrs. Ro MM. Austin 802, July, 1896; 
Amador County, [Hansen 68, March 20, 1896. 
Professor Greene regards this species as an aggregate, and the diversity in habit 
, suggests this asa possibility. With the 
material at hand, however, we do not feel 
justified in attempting any segregation. 
5. ERYNGIUM L. Sp. PI. 1: 
2382, 1753. 
Sepals very prominent, rigid, 
and persistent. Fruit ovoid, 
flattened laterally, covered with 
hyaline scales or tubercles. Car- 
pel with ribs obsolete. — Stylo- 
podium wanting; styles short or 
long. often rigid. Oil tubes 
mostly 5 (3 dorsal and 2 commis- 
sural). Seed face plane. 
(labrous perennials, with leaves 
often rigid, coriaceous, spinosely 
toothed or divided, and white or 
blue flowers sessile in dense brae- 
teate heads. The outer bracts 
form the involucre; the inner ones, 
hratlts, intermixed with the 
flowers, represent the involucels. 
Firstspecies cited. 4. foet/dian Li. 
A group of about 200) species 
distributed chiefly throughout temperate and subtropical regions, 29 
of which occur in the United States and Canada. 
Fig. 5.—Erynginm sparganophyllum, 
LEAVES elongated linear, coriaceous, parallel-veined, either entire or with margin 
sparingly bristly. 
Leaves with numerous marginal bristles. 
Marginal bristles remote and solitary. .....0...22..22.2....-- 1. EF. yuecifoliun. 
Marginal bristles more numerous and in clustérs of 2 to 4222. 2. 1. synchactum. 
Leaves with no marginal bristles (rarely | or 2)...0.-2- 2. 3. £. sparganophylluin. 
