1921] Smiley: Flora of the Sierra Nevada of Calif onvia 275 



Range. — Subarctic America from the Mackenzie to Gulf of St. 

 Lawrence and south to the Middle Atlantic States, Great Lakes, Iowa, 

 Nebraska, New Mexico, Utah, and California. 



Zmie. — Transition and Canadian. 



Specimens examined. — Above Donner Lake toward Donner Pass, 

 Heller 7045; Summit Valley, 7,500 feet, Pringie 306; road to Glen 

 Alpine, Tahoe, Miss Lathrop, July 19, 1909 ; near Summit, 7,300 feet. 

 Smiley 458 ; Suzy Lake, Tahoe, 8,000 feet, Smiley 179. 



Cornus canadensis L. extends down the northwest coast as far as 

 Mendocino County and is present in the subalpine floras of the moun- 

 tains of Washington and in the Rockies to Colorado but absent from 

 the southern Cascades and the Sierra. 



43. IJMBELLIFERAE (Parsley Family) 



Fruit long-linear, cylindrical, more than twelve times longer than broad 



1. Osmorrhiza 



Fruit not long-linear, but short-conical or flattened. 



Fruit with hooked bristles 2. Sanicula 



Fruit not bristly. 



Fruit flattened dorsally. 



Umbellets of free pedicelled flowers. 



Plants large; leaf bases broadly sheathing. 



Leaves ternate with leaflets large and angularly lobed ..3. Heracleum 



Leaves quinnate with leaflets long-linear and entire 4. Angelica 



Plants small and caespitose; leaflets small 5. Peucedanum 



Umbellets capitate of sessile flowers 6. Selinum 



Fruit not flattened dorsally but more or less laterally flattened. 

 Stylopodium conical. 



Stems from a smooth tuber or cluster of tubers 7. Eulophus 



Stems from a fibrous coated rootstock 8. Ligusticum 



Stylopodium flat or wanting. 



Rays 1-4 inches long; plants large 9. Pteryxia 



Eays very short or nearly obsolete; plants small. 

 Flowers yellow. 



Fruit densely hispidulous 10. Dmdeophytum 



Fruit glabrous 11. Podistera 



Flowers purplish 12. Aulospermum 



1. OSMORRHIZA 



Fruit bristly on the lower part of the ribs 1. O. brevipes 



Fruit glabrous 2. O. occidentalis 



1. Osmorrhiza brevipes (C. and R.) Suksdorf, Allg. Bot. Zeitschr., 



Bd. 12, s. 5. 1906. 



Washingtonia hrevipes Coult. and Rose., Contr. Nat. Herb., vol. 7, p. 66. 

 1900. 



Type locality. — ''Mount Shasta and vicinity, Siskiyou County, 

 Cal." 



