LILY FAMILY 



393 



34. Allium fibrillum Jones. Jones's Onion. Fig. 962. 



AUiiim coUiiinm Dougl.; S. Wats. Proc. Am. Acad. 14: 



228. 1S79, not Guss. 1842. 

 Allium fibrillitin M. E. Jones, Contr. West. Bot. 10: 24. 



1902. 



Bulb broadly ovoid, without bulblets, propagat- 

 ing b}- h?sion. with several thin coats, the reticula- 

 tions very narrow and much contorted. Scape 

 slender, about 10 cm. high ; leaves flat, somewhat 

 falcate, about equalling or exceeding the scapes, 

 2-4 mm. wide ; umbels many-flowered, open ; pedi- 

 cels filiform. 8-12 nun. long ; perianth-segments 

 white or pale rose, ovate-lanceolate, acute, 8 mm. 

 long; stamens and style one-half the length of the 

 segments ; ovary very obscurely rigid toward the 

 summit. 



Heavy soils. Arid Transition Zone; western Idaho to 

 the Blue Mountains, Oregon. Type locality: Cuddy Moun- 

 tains, Idaho. 



35. Allium nevadense S. Wats. Nevada Onion. 



Fig. 963. 



Allinin nevadense S. Wats. Bot. King. E.xpl. 351. 1871. 



Bulb ovoid, about 15 mm. long, the inner bulb coats 

 white, the outer grav-brown with much contorted trans- 

 verse reticulations. Scape slender, 15-20 cm. high ; leaves 

 solitary or rarely 2, mostly shorter tlian the scape ; 

 bracts ovate, 12-15 mm. long, abruptly acuminate ; um- 

 bels open, 15-30-flowered, the pedicels very slender, 10-15 

 mm. long ; perianth white or pale rose, 7-8 mm. long, the 

 segments oblong-ovate, acuminate ; stamens two-thirds 

 the length of the perianth-segments, deltoid at the base ; 

 stigma entire ; capsule prominently 6-crested, the crests 

 about 2 mm. high, acutish or obliquely truncate, entire or 

 nearly so. 



A common species of the Great Basin region, Arid Transition 

 and Upper Sonoran Zones; Salt Lake to northern Utah west to the 

 eastern slopes of the Sierra Nevada, California. Type locality: 

 dry foothills and ridges from the Trinity to the East Humboldt 

 Mountains, at 5000 to 7000 feet altitude, Nevada. 



36. Allium hickmani Eastw. 

 Hickman's Onion. Fig. 964. 



Allium hickmani Eastw. Bull. Torrey Club 30: 483. 1903. 

 Allium hyalinnm hickmani Jepsen, Fl. Calif. 1: 276. 1921. 



Bulb round-ovoid, scarcely 1 cm. long, the outer coats 

 gray, the inner white, the reticulations transversely un- 

 dulate-serrate. Scapes 10-15 cm. long, slender, terete; 

 leaves sheathing underground, filiform, equalling or ex- 

 ceeding the scapes ; bracts round-ovate, very obtuse or 

 rounded at the apex, and mucronate, less than 1 cm. 

 long ; umbels rather compact, 8-22-flowered ; pedicels 

 filiform, 1 cm. or. usually less in length ; perianth white 

 or tinged with pink, the segments similar, ovate, 5 mm 

 long, acuminate : stamens nearly as long as the perianth- 

 segments, the filaments dilated at base ; ovary without 

 crests. 



In moist grassy situations, Transition and Upper Sonoran 

 Zones; jMonterey Peninsula and near Jolon, in the Santa Lucia 

 Mountains. Type locality: trail between Monterey and Pacific 

 Grove, California. 



