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5. C. CERULEUS. Low, umbellately 2-5-flowered ; pedicels very 

 slender : bracts smaller :. petals 6 or 7 lines long, lilac dotted and 

 lined with blue, with narrower claw, and the gland covered by an 

 appressed fringed scale : anthers oblong, obtuse : capsule orbicular or 

 nearly so, obtuse, 6 lines long. — Cyclobothra elegans, var., Benth. PL 

 Hartw. 338. G. ccerulea, Kellogg. 7. roc. Calif. Acad. 2. 4. C. glaucus, 

 Regel, Act. Hort. Petrop. 3. 285 ? California (in the Sierra Nevada, 

 Placer to Plumas Counties ; Hartweg, n. 1988 ; etc.). 



6. C. elegans, Pursh. Similar in habit : petals greenish white, 

 purplish at base, bearded but not ciliate or only sparingly so, the 

 lunate gland covered by a very narrow and deeply fringed scale : 

 anthers long-acuminate : capsule as in the last. — Dougl. Hort. Trans. 

 7. 278, t. 9, f. B. Cyclobothra, Lindl. Oregon and Idaho. 



Var. nanus, Wood. Subalpine, dwarf and very slender : petals 

 narrow and often acute or acuminate, more hairy and ciliate. — Proc. 

 Philad. Acad. 1868, 168. C. Lyallii, Baker, 1. c. 305. Siskiyou 

 Mountains, California ; Mount Hood, Oregon, and northward to 

 British Columbia. 



7. C. Tolmiei, Hook. & Arn. Stouter and taller (a foot high), 

 usually branched : petals 9 to 15 lines long, tinged or marked with 

 lilac, covered and fringed with purple and white hairs ; gland with- 

 out scale, bordered above by a dense fringe of reflexed hairs : anthers 

 lanceolate, acuminate, 2 or 3 lines long : capsule broadly elliptic, 

 acutish at each end, 10 to 15 lines long. — Bot. Beechey, 398. C. 

 elegans, var., Baker, 1. c. 305. Oregon to base of Mount Shasta. 



8. C. APicuLATUS, Baker, 1. c. 305. A similar species, but still 

 taller and stouter, with an umbel of larger straw-colored flowers. — 

 Northern Idaho. 



= = Petals hairy only toward the base or wholly naked. 



9. C. nudus. Low: leaf solitary, 3 to 10 lines broad : bracts small 

 (rarely an inch long) : flowers 1 to 6, in a single umbel : petals 4 to 

 10 lines long, white or pale lilac, without hairs, denticulate; gland 

 with a broad transverse appressed scale : anthers linear-oblong (2 or 3 

 lines long), obtuse : capsule oblong, acute at each end, 8 or 10 lines 

 long : seeds yellowish, papillose, with a white vesicle at base. — 

 C. elegans, var. subcalvatus, Baker, 1. c. 305. California (in the Sierra 

 Nevada, Yosemite Valley to Plumas County ; n. 1986, Hartweg). 



10. C. lilacinus, Kellogg. Stem bulbiferous near the base, with 

 broad leaves and long conspicuous bracts: flowers 4 to 10, on long 

 pedicels in 1 to 3 umbels, or subumbellate : petals pale lilac with 



