LILY FAMILY 



387 



16. Allium cusickii S. Wats. 

 Cusick's Union. Fig. 944. 



Allium cusickii S. Wats. Proc. Am. Acad. 14: 228. 1879. 



Allium anccps abeneus M. E. Jones, Contr. West. Bot. 10: 10. 1902. 



Bulb ovoid, 15 mm. long and nearly as broad, the outer 

 bulb-coats without evident reticulations, the inner usually 

 whitish. Scape 8-10 cm. high, slightly compressed and angled, 

 about 1.5 mm. thick; leaves flat, somewhat falcate, longer than 

 the scape, 3 mm. wide ; umbels many-flowered open ; pedicels 

 12-16 mm. long, lanceolate, broadly acuminate ; stamens and 

 style about three-fourths the length of the segments ; capsule 

 with 6 small nipple-like dorsal crests. 



On bare sloi^es in well drained soil. Arid Transition Zone; Blue 

 Mountains, eastern Oregon, to western Idaho. Type locality: L'nion 

 County, Oregon. 





17. Allium tolmiei Baker. 

 Tolmie's Onion. Fig. 945. 



Allium ,louslasii var. /S Hook. Fl. Bor. Am. 2: 185. 1840. 

 Allium tolmiei Baker, Bot. Mag. II. 32: under pi. 6227. 1876. 

 Allium platyphyllum Tidestrom, Torreya 16: 242. 1916. 



Bulb ovoid, the coats without reticulations. Scape 

 8-10 cm. high, compressed and 2-winged, 2.5-4 mm. 

 wide above, narrower toward the base ; leaves 2, 

 exceeding the scapes, flat, but rather thick, more or 

 less falcate, 5-12 nnu. wide ; bracts ovate-acuminate, 

 12-18 mm. long ; umbels many-flowered ; pedicels 

 rather stout, 12-18 mm. long ; perianth light rose- 

 purple, the segments lanceolate, acute, 8 mm. long; 

 stamens three-fourths the length of the segments ; 

 capsule with 6 low rather broad dorsal crests. 



On rocky, especially volcanic ridges. Arid ^ Transition 

 Zone; eastern Oregon and southern Idaho to Utah. Type 

 locality: "Snake Country." 



18. Allium crenulatum \\'iegand. 

 Olympic Onion. Fig. 946. 



Allium vancouvetensc Macoun, Cat. Can. PI. 2: Z7 . 

 1888, nomen nudum. 



Allium crenulatum Wiegand, Bull. Torrey Club 26: 

 135, pi. 355. 1899. 



Bulb narrowly ovoid, 15 mm. long, propa- 

 gating by fission, the outer bulb-coats gray, 

 without reticulations, the inner white. Scape 

 5-8 cm. high, flattened, the winged margins 

 more or less crenate ; leaves 2. basal, flat, 

 longer than the scape, 3-6 mm. wide ; bracts 

 2, ovate-lanceolate, acuminate, 12-15 mm. 

 long ; umbels 12-18-flowered ; pedicels rather 

 stout, 10-15 mm. long ; perianth-segments ob- 

 long-lanceolalte, acutish, 8 mm. long, deep 

 rose-purple ; stamens about three-fourths the 

 length of the segments ; capsule with 6 low 

 dorsal crests. 



Stony ground, Canadian Zone: western British 

 Columbia and Vancouver Island to the Olympic Moun- 

 tains, Washington. Type locality: "loose gravel near 

 the summit of the Olympic Mountains in the vicinity 

 of the headwaters of the Quilcene River." 



