30 KEY AND FLORA 



Pods oblong, narrowed at base. This is common in Washington 

 and Oregon. 



VIII. YUC'CA, Spanish Bayonet, Soapweed 



Leaves stiff and pointed like daggers, growing in a bunch. 

 Flowers in a raceme or panicle. Perianth of 6 thick divisions, 

 bell-shaped, nodding. Stamens with thick filaments attached 

 to the base of the perianth. Ovary sessile. Stigmas 3, united. 

 Fruit with cells incompletely divided. Seeds black, fiat, 2 rows 

 in each cell. 



a. Y. Whip'plei Torr. Scape 4-12 ft. high and about 2 in. in 

 diameter, clothed with sharp-pointed bracts close to the stem, rising 

 from amidst a thick bunch of narrow, dagger-like leaves. Flowers 

 in a panicle. Segments of the perianth cream-color, 1-2 in. long. 

 The plant from which the scape springs dies after fruiting ; but the 

 dead scapes often remain standing like slender white posts on the 

 hillsides. 



b. Y. arbores'cens Torr. This is the tree Yucca of the Mojave 

 Desert. /. Part I, Plate VII. 



IX. CALOCHOR'TUS, Butterfly Tulip^Mariposa Lily 



Perianth with 3 outer segments sepal-like, the 3 inner petal- 

 like, each with a large honey-gland near the base, densely covered 

 with hairs. Flowers erect or drooping, solitary, in racemes 

 or in umbels, beautifully and variously colored. Stamens 6, 

 with erect anthers. Seeds in 2 rows in each cell of the ovary. 



a. C. alb'us Dougl. SATIN BELL, HAIRY BELL, ALABASTER 

 TULIP. Flowers white, or pinkish with a satiny texture. Segments 

 of the perianth curved inwards, forming a close roundish bell in shape 

 something like a sleigh bell, very hairy icithin. Gland crescent-shaped, 

 almost concealed by the long hairs of the perianth. Anthers linear- 

 oblong, tipped by a blunt point. Capsule winged. The stems are 

 rather tall, leafy and branching, bearing numerous flowers. This 

 grows on shady banks in the Coast Mountains. 



b. C. pulchellus Dougl. GOLDEN BELLS. Flowers shaped as the 

 preceding, yellow, hairy within and on the margins ; flowers rather few. 

 This has been mistaken for the next, which is much commoner. 



c. C. amab'ilis Purdy. DIOGENES' LANTERN. Similar to the 

 above, but the flowers are more numerous, smaller, and the segments 

 of the perianth curve inwards so much that they overlap, hairy on the 

 margin only. This is common in northern California. 



