186 LILIACEJF. 



19. CALOCHORTUS, Pursh. 



1. Pedicels recurred In frnit: capsule broadly 3-winged. 



Flowers on branching stems, nodding: concave petals closely connivent, hairy within, 



ciliate 1, 3 



Flowers on rather weak stems, erect or nearly so: fruit nodding or not stiffly erect. 



Flowers yellow, 6-8 lines long, densely hairy within, 8 



Flowers white to lilac or blue. Petals covered with hairs 4 to 7 



Petals hairy below only, or naked 8, 9, 10 



2. Flowers and fruit erect on stout pedicels: capsules not winged (except in 11 & 12): 



petals aud sepals often with spots. (Maripotcu or Butterfly Tulips.) 



Flowers lilac or purplish, 1-1 J in. long: capsules 3-winged 11, 19 



Flowers yellow, more or less marked with brown or purple 13 to 10 



Flowers white or lilac 17 to 20 



1. C. albus, Dougl. Petals white: sepals green, not spreading. Cal. 



2. 0. pulchellus, Dougl. Petals yellow or orange: sepals yellow or greenish, spread- 

 ing. Coast Mts., Monterey to Mendocino. 



3. C. Benthami, Baker. Slender, 3-6 in. high: leaves longer: anthers acute. 

 S. N. Mts. 



4. C. Maweanus, Leiohtlin. Stem flexuose: petals covered above with white or 

 blue-purplo hairs, acute: anthers acuminate. N. Cent. Cal. 



5 C. caeruleus, Wats. Very slender, 3-6 in. high: flowers 2-5 in an umbel: petals 

 lilac dotted or lined with darker blue: anthers oblong, obtuse: capsule nearly 

 orbicular. 8. N. Mts, 



5. 0. elegans, Pursh. Similar: petals greenish white, scarcely ciliate: anthers long 

 acuminate. Var. namis, Wood, has acute more hairy petals, smaller. N. Cal. N. 



7. C. Tolmiei, H. & A. Stouter, about a foot high: petals f-l in. long, lilac-tinged: 

 anthers lanceolate, acuminate. Mt. Shasta to Or. 



8. C. nudua, Wats. Flowers 1-6, usually in an umbel, white or lilac: sepals about 

 equaling the broadly fan-shaped hairless petals: anthers obtuse. Cent. S. N. Mts. 



9. C. lilacinus, Kellogg. Leaves rather broad: flowers 3-10, on long zigzag pedicels: 

 petals ^-1 in. long, pale lilac, slightly hairy below: anthers much shorter than the 

 filaments, obtuse. S. F. Bay, Geysers. 



10. 0. uniflorus, H. & A. Similar: flowers 1 or 2: gland densely hairy. W. C&l. 



11. 0. Greenei, Wats. Stout, 1-2 ft. high: sepals with yellowish hairy spot: peteli 

 densely yellow-hairy below: anthers in. long. N. Cal. to Or. 



12. C. Lyoni, Wats. Sepals naked: anthers 1J-2 lines long. Los Angeles. 



13. C. clavatus, Wats. Petals covered with club. shaped hairs at base: gland orbic- 

 ular, deep: anthers purple, 4-5 lines long, obtuse. S. Cal. Coast. 



14. C. Weedii, Wood. Stem zigzag: petals deep yellow, dotted, covered with slonder 

 hairs: gland small, densely hairy: anthers mostly acute. Cal. Coast. 



