Noticeable Plants 67 



centres, opening at night. Blooms in mid- and late 

 spring. 



Olneya tesota. Ironwood, Palo fierro (or hierro.) A trim 

 tree, up to 20 feet high, with thorny twigs and grayish 

 green leaves composed of many leaflets. Flowers dull 

 blue, like small pea-blossoms: fruit a pod. Blooms in 

 early summer. 



Palafoxia linearis. A common, straggling plant of many 

 slender stems up to 3 feet high. Leaves few, narrow, 

 dark gray-green: flowers lavender or pinkish, tubular, 

 with long calyx. Blooms almost all the year. 



Parosela {formerly Dalea) calif or nica. A stiff, woody bush, 

 up to 3 feet high, with clear yellowish bark. Leaves 

 small, gray, narrowly divided: flowers plentiful, resem- 

 bling pea-blossoms, dark bright blue. Blooms in mid- 

 spring. 



Parosela {formerly Dalea) emoryi. Dye-weed. A gray, 

 weedy bush 2 or 3 feet high, easily identified by the 

 orange stain which the flower-heads leave on hands 

 or clothing. Leaves small, composed of several leaflets: 

 flowers tiny, purple, in small close clusters. Blooms 

 mid-spring to late summer. 



Parosela {formerly Dalea) mollis. A small, grayish plant 

 with much-divided leaves and tiny, rosy-purple flowers 

 in woolly-looking clusters. Blooms in late spring and 

 early summer. 



Parosela {formerly Dalea) schottii. A large, rather thorny 

 bush, up to 6 feet high. Leaves very narrow, dark 

 bright green: flowers resembling pea-blossoms, dark 

 brilliant blue. Blooms in mid-spring. 



Parosela {formerly Dalea) spinosa. Smoke-tree, Indigo- 

 bush. A small tree, up to 15 feet high, common in 

 washes. Practically leafless, the tree is a mass of whit- 

 ish spiny twigs. Flowers small but very abundant, 

 resembling pea-blossoms, dark brilliant blue. Blooms 

 in early summer. 



Pectis papposa. Chinch-weed. A low, small, rounded 

 plant, vividly green, with bright yellow flowers. It has 



