146 KEY AND FLORA 



D. meteloi'des DC. Perennial, spreading, and often tall, hoary 

 Leaves unequally ovate, wavy on the margin, or entire. Corolla 

 white or pale violet, with the border broadly expanded, the 5 angles 

 terminating in long, slender awns. Pods large on recurved peduncles. 

 Southern California. 



Hi. NICOTIA'NA, Tobacco 



Herbs (one a tree) with rank odor and narcotic poisonous 

 properties. Calyx bell-shaped, 5-toothed or lobed, closely 

 surrounding the capsule. Corolla salver-form or funnel-form, 

 with a very long tube. Stamens with slender filaments and 

 broad anthers included in the tube of the corolla. Pistil with 

 long, slender style and 2-celled ovary, stigma 2-lobed or cap- 

 like. Capsule splitting generally at the junction of the valves 

 and on the back, appearing Celled. 



a. N. glau'ca Graham. TREE TOBACCO. This has been intro- 

 duced from South America, and is now widely distributed in southern 

 California. It is a shrub or small tree with pale-green foliage. 

 Flowers in loose terminal panicles ; corolla , 2 in. long, greenish 

 yellow, with a long tube, narrowed at the throat; border erect, 

 5-crenate. 



b. N. attenua'ta Torr. Stems simple or branching, very viscid. 

 Leaves oblong-lanceolate, pointed at both ends. Flowers in loose, 

 terminal racemes. Calyx teeth short, triangular, acute. Corolla 

 white, narrow, salver-form, the tube an inch long and the border in. 

 across. Pod exceeding the calyx. This is widely distributed and is 

 frequently found along highways. 



c. N. Bigelo'vii Wats. Similar to the preceding but with sessile 

 leaves. Calyx with unequal lobes, corolla tubular, funnel-form, with 

 tube an inch or more long and the border an inch across ; pod shorter 

 than the calyx. This is also found along highways. 



SCROPHULARIA'CE^:, FIGWORT FAMILY 



Herbs and shrubs with corolla 2-lipped or otherwise more 

 or less irregular (2 lobes belong to the upper lip of the corolla ; 

 3 to the lower). Stamens 2 or 4 (2 long and 2 short), or 5, 

 with one lacking the anther. Pistil with a simple style and 

 2-celled ovary. Fruit a 2-celled pod, with the seeds on an 

 axillary placenta, splitting from the top. 



