LILY FAMILY 283 



Filaments dilated. 



Flowers yellow; filaments forked at apex, the anther borne on a cusp in the middle of the 



notch _ 6. B. ixioides. 



Flowers white; filaments with broadly triangular and slightly united bases.. 7. 5. hyacinthina. 



B. Umbels loose or mainly so; stamens 3, alternating with staminodia; anthers basifixed, 



sagittate; pedicels very unequal, firm; flowers blue to violet-purple or rose-color; 

 corms not flattened; ovary short-stipitate ; leaves narrowly linear to terete. — Suli- 

 genus H00KEK.V. 



Scapes almost wholly subterranean, the umbel sessile on the ground; staminodia yellowish 



8. B. terrestris. 

 Scapes 3 to 20 inches high; staminodia white or purple. 



Periautli-segments linear, rotate, nearly twice as long as tlie tube ; throat of tube strongly 



constricted; staminodia purple 9. B. minor. 



Perianth-segments oblong, 1 to 1% times as long as the tube; throat of tube little or not 

 at all constricted; staminodia white. 



Filaments winged on each side with an appendage half as long as the anthers 



10. B. stellaris. 

 Filaments not winged. 



Flowers rose-red; staminodia hugging the approximate anthers 11. B. rosea. 



Flowers blue ; anthers approximate in center around style. 

 Staminodia erect or spreading. 



Staminodia oblong-lanceolate, mostly acute; scape stout, 7 to 20 iuches high. 



12. B. coroiiaria. 

 Staminodia scale-like, triangular, acuminate; scape slender, 4 to 12 inches 



high --. 13. B. fiiifoliu. 



Staminodia approximate in center. 



Staminodia plane, about half as long as the spreading or recurving perianth- 

 segments 14. B. sijnandra. 



Staminodia involute, nearly as long as the erect perianth-segments 



15. B. californica. 



C. Umbels capitate or congested; anthers basifixed, nearly sessile; staminodia always 



present; perianth -tube more or less inflated and angular, or saccate; ovary sessile 

 or short-stipitate; scapes often tortuous or twining; leaves linear. — Subgenus 



DiCHELU.STE.M .ir A. 



Stamens 6; inner filaments with 2 lanceolate appendages extended beyond the anthers; bracts 

 elliptic, acute, very conspicuous, of a deep violet-purple or metallic color; capsule sessile. 



16. B. capitata. 

 Stamens commonly 3 ; bracts acuminate, not so conspicuous. 



Flowers blue-purple; staminodia petaloid; pedicels 1 to 3 lines long; umbel capitate; 

 capsule sessile. 

 Staminodia deeply parted writli a minute cusp or reduced filament in the notch ; umbel 



more or less produced into a short dense raceme 17. B. jmJrhella. 



Staminodia entire, forming a corona; umbel not produced-raeemose....l8. B. multiflora. 

 Flowers rose-red; pedicels % to l'^ inches long; umbel less capitate; capsule triangular- 

 ovat*, acuminate, on a short stipe. 

 Staminodia anther-like; perianth 6 to 8 lines long, rose-red or pinkish; flowers erect 



or nearly so 19. B. volubilw. 



Staminodia broadly deltoid, forming a conspicuous corona; perianth 1 to 1% inches 

 long; flowers pendulous. 



Periantli-tubc scarlet, its segments chrome-green 20. B. ida-maia. 



Perianth wholly rose-purple 21. B. renusta. 



1. B. bridgesii Wats. Stems low (5 to 9 inches high) ; flowers pah- lilac, 

 aging bluish ; perianth-tube long and very attenuate at base ; filaments in 1 row, 

 deltoid at base; ovary stipe 81/. to lOVi; lines long. 



Open woods, interior of Humboldt Co. to Sha.sta Co. and soiitli to Jlarijiosa 

 Co., 500 to IJOOO feet. Also in southern Oregon. Vei'y similar to B. laxa. 



Locs. — Hupa, Jcpson 202li; Happy Valley, Shasta Co., W. TV. Jimrs; Gold Run, Sonne; 

 Angels Camp, Dairy 148.5 ; Mariposa,, Conf/d<in. 



Refs. — BiiODiAE.\ BRIDGESII Wats. Proc. Am. Acad. 14:237 (1879), type loc. Sierra Nevada 

 foothill.^. Bridges 338. Tritriia hridqcsii Greene, Bull. Cal. Acad. 2:141 (188(;). BooVcra 

 hridgcsii Ktzc. Rev. Gen. 2:712 (1891). 



