32 KEY AND FLORA 



spot at base. Petals l-l in. long, fan-shaped, deep yellow, dotted and 

 often margined with brownish purple, covered with slender yellow or 

 purple hairs ; gland small, round, densely hairy. Pod erect, narrowed 

 to the top, 1 in. long. The variety purpuras'cens Watson has the 

 petals wholly purple or blotched with purple. These are common in 

 southern California. Early summer. 



m. C. lu'teus Dougl. GOLDEN TULIP. Flowers erect, tulip-shaped, 

 greenish yellow, and variously marked with brownish purple, slightly 

 hairy within. Honey-gland round or crescent-shaped, densely covered 

 with yellow hairs. Anthers yellow, linear-oblong, obtuse. Capsule 

 erect, narrowed towards the top. This is the most widely distributed 

 species and is quite variable. Early summer. 



n. C. lu'teus var. ocula'tus Watson. This is similar to C. luteus, 

 except in the color and markings of the petals. They are white, 

 cream, or purple, with a central brownish spot which is usually bordered 

 with yellow. The claw is yellow or purplish, and the gland is narrowly 

 crescent-shaped and covered with brownish or yellowish hairs. This 

 includes a great variety of color forms, and has a wide range. It is 

 the commonest species in the northern Californian valleys, and is 

 found in both the Sierra Nevada and Coast Mountains from Fresno 

 County to Oregon. Early summer. 



o. C. Nuttal'lii Torr. & Gray. Stem always bearing a small bulb 

 at base. Flowers erect, tulip-shaped, 1-several in umbel-like clusters. 

 Sepals ovate lanceolate with papery margins, generally yellowish 

 within. Petals ivhite or tinged with lilac, with a purplish spot 

 above the yellow base. Gland round or oblong, densely hairy, and 

 surrounded by long, scattered hairs. Anthers obtuse, sagittate at base. 

 Capsule erect, narrowed upwards. This is found in the Sierra 

 Nevada Mountains, especially northward, to Oregon. Early 

 summer. 



p. C. venus'tus Benth. BUTTERFLY TULIP. Flowers erect, tulip- 

 shaped, white, often tinged with lilac, or purplish throughout, generally 

 marked ivith a red spot near the top of the petals, like a drop of blood. 

 Honey-gland narrowly oblong, hairy. The markings above the glands 

 are beautiful and exceedingly variable. Pods erect. This is widely 

 distributed in various forms. Early summer. 



q. C. splen'dens Dougl. LILAC TULIP. Flowers erect, tulip-shaped, 

 lilac above with scattered white hairs, paler beneath. ' Gland round, 

 densely hairy, sometimes wanting. Anthers purple, obtuse or acute. 

 Pods erect. This is common in the southern parts of California. 

 Early summer. 



r. C. macrocar'pus Dougl. Stems stout, erect, 1-2 ft. high, 'with 

 1-2 tulip-shaped flowers. Leaves 3-5, narrow, convolute. Sepals 

 about as long as the petals, narrowly pointed, lilac on the inner side. 

 Petals obovate with pointed apex, 1^-2 inches long, dark lilac, paler at 



