LILY FA.MILY 



431 



2L CALOCHORTUS Pursh, Fl. Am. Sept. 1: 240. 1814. 



Stems usually flexuous and branching from membranous or rarely fibrous coated corms, 

 with few linear-lanceolate leaves, those of the stems alternate, clasping. Flowers few, 

 showj', terminal on the branches or umbellately fascicled. Perianth deciduous, of 6 distinct 

 more or less concave segments, the 3 outer sepal-like, narrow, the 3 inner petaloid, mostly 

 broadly cuneate-obovate, usually with a conspicuous glandular pit near base. Stamens 6, in- 

 serted on base of segments; anthers linear to oblong, basifixed. Ovules many; stigmas 

 sessile, recurved, persistent. Capsule elliptic to oblong. 



About 50 species, natives of western North America and Mexico. 



[Greek, signifying beautiful grass.] 

 Type species, Catochortus elegans Pursh. 



C. albus. 



C. amoenus. 



C. pulchelhis. 



C. ainabilis. 



Capsule winged on the angles. 



Flowers nodding, globose, the petals being so strongly arched that the tips often cross each other (some- 

 times more spreading in amoenus). 

 Flowers white or purple. 



Flowers white or faintly tinged with rose-purple. 

 Flowers purple. 

 Flowers yellow. 



Petals hairy within to near the apex. 



Petals naked within or very sparsely hairy on each side of the gland. 

 Flowers open-campanulate, usually erect. 

 Capsule nodding in fruit. 



Petals ciliate, and the inner surface usually covered with hairs. 



Flowers bright yellow. 5 



Flowers creamy white or blue, often tinged with purple. 



Anthers oblong, obtuse, not at all apiculate. 6 



Anthers acute to acuminate, or apiculate. 

 Sepals without a pit at base. 



Flowers white more or less tinged with purple; anthers acuminate. 

 Gland with a scale. 



Capsule suborbicular, rounded at both ends. 



Gland scale half as w-ide as the petal or more, deeply 

 narrow segments. 7. 



Gland scale one-third as wide as the petal, but little incised. 



8. t". nanus. 

 Capsule oblong-elliptic, acutish at both ends. 



Petals less than 20 mm. long; umbels short-peduncled (2-3 cm.). 



9. C. maweanus. 

 Petals more than 20 mm. long; umbels on peduncles 7-10 cm. long. 



monophyllus. 

 caeruletts. 



laciniate into 

 C. elegans. 



very 



10, 

 11. 

 12. 

 13. 



C. 

 C. 

 C. 

 C. 



purdyi. 

 tolmiei. 

 apiculatus. 

 lobbii. 



14. 

 15. 

 16. 



17. 

 IS. 



nudus. 



unibellattts. 



uniflortts. 



lyalli. 

 shastcnsis. 



19. C. longebarbatus. 



23. C. 

 C. 



C. nitidus- 

 C. green ei. 

 C. howellii. 

 eurycarpus. 



Gland without a scale. 

 Flowers pale yellow; anthers conspicuously apiculate. 

 Sepals with a distinct pit near the base. 

 Petals not ciliate, naked except for a few hairs around the gland. 

 .Stems not producing bullilets near the base. 

 Anthers linear-lanceolate, 4-5 mm. long. 

 Anthers oblong, 3 mm. long. 

 Stems producing bulblets near the base. 

 Capsule erect in fruit. 



Flowers nodding on very slender pedicels. 



Petals ovate-lanceolate, acute, strongly ciliate. 

 Petals- obovate, rounded or obtuse, not ciliate. 

 Flowers strictly erect, on stoutish pedicels. 



Stems normally producing 1 or more bulblets near the base. 

 Stems not producing bulblets near the base. 

 Petals without a central dark purple spot. 

 Petals long-hairy. 



Petals long-ciliate, with a large lunate purple band above the gland. 



20. 

 Petals rarely ciliate, barred with yellow below. 21. 



Petals with short crisped hairs. 22 



Petals with a rounded central dark purple spot. 

 Capsule not winged. 



Capsule obtuse at apex. -■• 



Capsule attenuate at apex. 



Petals not ciliate, hairv only below the middle (except splendens) ; corms membranously coated 

 Gland depressed, surrounded by a laciniate membrane or more or less connected scales. 

 Flowers yellow or red. 

 Petals yellow. 



Hairs of the petals clavate. 

 Hairs of the petals not clavate. 

 Petals red. 

 Flowers white or lilac. 



Sepals long-acuminate, usually exceeding the petals. 

 Sepals acute or short-acuminate, shorter than the petals. 

 Gland not depressed, without membrane or scales. 

 Stems not producing bulblets near the base. 

 Petals lilac, without a spot at base. 



Hairs of gland stellate-branched at apex. 



Anthers 4-6 mm. long; petals hairy only on the lower third. 

 Anthers 8-10 mm. long; petals hairy to the middle. 

 Hairs of the gland linear, simple. 

 Petals white with reddish brown spot at base. 

 Stems normally producing bulblets near the base. 

 Petals never oculate or pencilled. 

 Hairs of gland linear, simple. 

 Anthers not sagittate. 

 Anthers sagittate. 

 Hairs of gland club-shaped. 

 Petals normally oculate or oenciled. 



Flowers yellow, w-ith or without central spot, penciled with brown 

 Flowers purple, oculate. 

 Petals normally ciliate on the margin, hairy to near the apex; corms coarsely fibrous-coated. 

 Petals purple, sometimes penciled with brown, the margins usually not ciliate. 



39. 6. plummerae. 



Petals yellow, blotched or penciled with brown. 



Petals fan-shaped, truncate, much longer than the stamens. 40. C. tveedn. 



Petals ovate-lanceolate, shorter than the stamens. 41. C. obispoensis. 



25. C. 



26. 

 27. 



28. 

 29. 



catalinae. 



claiatus. 

 concolor. 

 kenned yi. 



C. macrocarpus. 

 C nuttallii. 



C. daTidsonianus. 

 C. splendens. 



32. C. pahneri. 



33. C. dun nit. 



30 



31 



34. C. pahidicola. 



35. C. leichtlinii. 



36. C. invenustus. 



37. C. luteus. 



38. C. z'enustus. 



