80 LILIACEAE. 



7. HOOKERA Sallsb. 



Scapes erect, straight from a fibrous coated corm, with 

 few linear leaves and at solitary umbel subtended by 

 several membranous bracts. Perianth tube thick turbi- 

 nate, segments equaling the tube, spreading at the tip. 

 Stamens 3, opposite the inner segments, the outer stamens 

 being reduced to staminodia. 



1. H. minor (Benth.) Britton. Scape slender, 5-15 cm. high; 

 pedicels 2-5, mostly 2-5 cm. long; perianth about 3 cm. long, violet- 

 purple or paler, its limb rotate, the segments with a strong midvein, 

 the outer narrower, mucronulate; anthers 4-6 mm. long, shorter 

 than the retuse or emarginate staminodia. {Brodiaea minor Wats.) 



Occasional in heavy soil. March-April. 



8. TRITELEIA Dougl. 



Scapes slender from a fibrous coated corm, with few 

 thin linear leaves and bearing an umbel of yellow, white, 

 blue or purple flowers. Perianth tube rather short or 

 funnelform, not inflated, angular or saccate; the seg- 

 ments erect or spreading. Stamens 6, unappendaged, all 

 antheriferous; anthers versatile or basifixed. Ovary on 

 a slender stipe. 



1. T. laxa Benth. Scape 3-6 dm. high; umbel 10-30-flowered; 

 pedicels 3-6 cm. long; perianth 3-4 cm. long, funnelform, violet, 

 cleft nearly to the middle; anthers versatile, ovate-lanceolate, 2-lobed 

 at base, bluish or white. {Brodiaea laxa >A^ats.) 



On low hills, Los Felis, Davidson. 



9. LILIUM L. Lily. 



Tall bulbous herbs, with simple leafy stems and large 

 erect or drooping flowers. Perianth deciduous, funnel- 

 form or campanulate, of 6 distinct spreading or recurved 

 segments, each with a nectar-bearing groove at its base 

 within. Stamens 6, mostly shorter than the perianth, 

 slightly attached to the segments; filaments filiform or 

 subulate; anthers linear, versatile. Ovules numerous; 

 style long, somewhat clavate above; stigma 3-lobed. 

 Capsule oblong or obovoid, loculicidally dehiscent. 

 Seeds numerous, flat, packed in 2 rows in each cell. 



L L. humboltii Roezl. & Leicht. Bulbs large, 5-15 cm. in 

 diameter, white or purplish; stems stout, purplish, puberulent or 

 glabrous, 15-30 dm. high; leaves usually in 4-6 whorls of 10-20 

 each, oblanceolate, undulate, 10-15 cm. long, 20-25 mm. wide, 



