414 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Stylopodium conical. 



Fruit globose Berula (p. 428). 



Fruit oblong Ligusticum (p. 428). 



Stylopodium flat or obsolete. 

 Ribs of the fruit wing-like. 



Wings thick and corky ; flowers 



white Glehnia (p. 429). 



Wings thin; flowers yellow . . Pteryxia (p. 429). 

 \^ Ribs of the fruit not wing-like. 

 Plants acaulescent. 



Fruit with all the ribs fili- 

 form; root not tuWrous Hesperooenia (p. 430). 

 Fruit with the dorsal ribs 

 filiform, the lateral ones 

 ' corky; root tuberous. . OutXiENiA (p. 430). 



Plants caulescent; ribs of the 

 fruit all thick and corky. 

 Leaflets linear or narrowly 



lanceolate SiuM (p. 430). 



Leaflets ovate Coelopi.eitrum (p. 430). 



Oil tubes obsolete or very obscure ; leaves peltate . Hydrocotyle (p. 431). 



ERYNGIUM. 



Bractlets little longer than the pale blue heads \. E. arliculatum. 



Bractlets twice as long as the green heads 2. E. petiolatum. 



1. Eryngiuta articulatum Hook. Lond. Journ. Bot. 6: 232. 1847. 

 Eryngium harknessii Curran, Bull. Cal. Acad. 1: 153. 1885. 



Type locality: "Stony edges of the Spokane River, and Skitsoe and Coeur d'Alene 

 Lakes." Collected by Geyer. The first locality is probably in Washington; the others are 

 in Idaho. 



Range: From northern Idaho, through Washington and Oregon to central California. 



Specimens examined: Spokane, SjxiMing; White Salmon, Siikudorf; Pullman, Piper 

 1559 and Octolier 10, 1897; without loc-ality, Geyer 583. 



The specimens reported o as collected at Olympia hy Henderson 2518, 2519, arc really 

 from Eastern Washington. 



Zonal distribution: Arid Transition. 



2. Eryngium petiolatum Hook. Fl. Bor. Am. 1 : 259. 1833. 

 Eryngium petiolatum juncifolium A. Gray, Proc. Am. Acad. 8: 385. 1872. 



Type locality: "Moist soils on the plains of the Multnomah [Willamette] River," 

 Oregon. Collected by Douglas. 



Range: Western Oregon to Klickitat County, Washington. 



Specimens examined: White Salmon, Suksdorf; Columbia Plains, Nuttall [Oregon or 

 Washington?]. 



SANICULA, 



Mature fruit stipitate ; leaves palraately divided 1. S. memiesii. 



Mature fruit sessile, not stipitate. 



Leaves pinnately parted, the segments incised 4. S. hipinnalifida. 



Leaves palmately divided. 



Principal leaf divisions confluent at base 2. S. howellii. 



Principal leaf divisions distinct at base 3. -S. septentrionalis. 



aContr. Nat. Herb. 7: 52. 1900. 



