386 



LILIACEAE 



13. Allium watsoni Howell 



All ill III 



Watson's Onion. 



fatsoin Howell, Fl. N. W. Ai 



Fig. 941. 



1: 64J 



1902. 



Bulb ovoid, about 15 mm. long, the outer coats 

 reddish brown, without reticulations, the inner white. 

 Scape 3-7 cm. high, slightly compressed and narrowly 

 2-winged, 1.5-2 mm. wide; leaves 2, much exceeding 

 the scape, 2-3 mm. wide ; bracts 2, round-ovate, connate 

 at base, obtuse at apex and abruptly short-acuminate or 

 merely mucronate, 8-12 mm. long; umbels 10-20-flower- 

 ed ; pedicels 6-12 mm. long; perianth bright rose- 

 purple, the segments 8-10 mm. long, ovate-lanceolate, 

 broadly acuminate, erect, saccate at base, midvein 

 prominent, margins more or less distinctly serrulate; 

 stamens about two-thirds the length of the perianth- 

 segments, the filaments dilated below ; style 2-3 mm. 

 long; stigma entire; ovary with 3 central entire crests. 



Rocky slopes. Transition and Canadian Zones; Coast Ranges 

 of central Oregon to the Siskiyou Mountains, northern Cali- 

 fornia. Type locality: "coast mountains of middle Oregon." 



14. Allium anceps Kell. 



Alliiiiii aiH-cps Kell. Proc. Calif. Acad. 2: 109. 1S6I. 



Bulbs ovoid, about 15 mm. long, outer coats gray- 

 brown, the inner very pale brown ; reticulations not 

 evident. Scape flattened, about 1 dm. high ; leaves 2, 

 usually much exceeding the scape, 4-5 mm. wide ; 

 bracts 2, connate below, broadly ovate, obtuse and 

 mucronate, 7-9-nerved, rose-purple; umbel rather com- 

 pact. 15-25-flowered, the pedicles erect or ascending, 

 slender, 8-12 mm. long, enlarged at apex ; perianth pale 

 rose with a purple midvein, 8 mm. long, not gibbous 

 at base, the segments narrowly linear-lanceolate, 

 acuminate ; stamens equalling or slightly exceeding the 

 perianth-segments, the filaments flattened, dilated at 

 base; anthers whitish, 1.5 mm. long; style 6 mm. long, 



the stigma obscurely 3-lobed; crests of the ovary 6, 

 liroad. 



Foothills along the eastern base of the Sierra Nevada; fre- 

 (|uent in the vicinity of Reno, Nevada; Upper Sonoran Zone. 

 Type locality: Washoe, Nevada. 



Kellogg's Onion. 



Fig. 942. 



mm^^^— 



15. Allium pleianthum S. \\ ats. Many-flowered Onion. Fig. 943. 



Allium pleianthum S. Wats. Proc. Am. Acad. 14: 233. 1879. 



Bulb ovoid, 2 cm. long, the outer coats grayish brown, 

 without evident reticulations, the inner with rather con- 

 spicuous longitudinal veins. Scape 10-15 mm. high, flat- 

 tened and 2-winged ; leaves 2, basal, flat and falcate, longer 

 than tlie scape; bracts 2, ovate-lanceolate, acuminate, 15 

 mm. long; umbels rather open; pedicels 15-20 mm. long; 

 perianth 8-10 mm. long, gibbous at base, the segmencs 

 lanceolate, acuminate; stamens scarcely over half the length 

 of the segments, equalling the style ; stigma entire ; ovary 

 and capsule prominently 6-crested. 



Rocky ridges. Arid Transition Zone; Idaho and eastern Ore- 

 gon. Type locality : Blue Mountains, Oregon. 



