336 Verbenaceae 



hispid throughout; leaves linear-lanceolate or linear, often canes- 

 cent; calyx-lobes linear-lanceolate, much exceeding the nutlets, 

 hispid with white or somewhat fulvous hairs ; corolla orange or 

 yellow, usually less than 8 mm. long, the throat glabrous ; nut- 

 lets reticulate- rugose and granulate, usually pale. 



A very common weed in all the valleys and foothills. February- June. 



Family 83. VERBENACEAE. VERVAIN FAMILY. 



Herbs or shrubs with usually opposite or verticillate 

 leaves, and perfect more or less irregular flowers in ter- 

 minal or axillary spikes, racemes or panicles. Calyx 

 usually 4-5-lobed or 4-5-cleft, persistent. Corolla regu- 

 lar or 2-lipped, the tube usually cylindric, the limb 

 4-5-cleft. Stamens usually 4, didynamous, rarely only 

 2, inserted on the corolla and alternate with its lobes ; 

 anthers 2-celled, the sacs longitudinally dehiscent. 

 Ovary superior, 2-4-celled, composed of 2 carpels with 2 

 ovules ; style simple ; stigmas 1 or 2. Fruit dry, separ- 

 ating at maturity into 2 or 4 nutlets, or a drupe con- 

 taining the 2-4 nutlets. 



Corolla 5-lobed, regular or nearly so; nutlets 4. 1. VERBENA. 



Corolla 4-lobed, 2-lipped; nutlets 2. 2. LIPPIA. 



1. VERBENA L. 



Herbs, mostly with opposite leaves and variously 

 colored bracted flowers in terminal solitary, corymbose 

 or panicled spikes. Calyx usually tubular, 5-angled r 

 more or less unequally 5-toothed. Corolla salver-shaped 

 or funnelform, its limb spreading, 5-lobed and slightly 

 2-lipped or regular. Stamens 4, didynamous or rarely 

 only 2, included ; connective of anthers unappendaged or 

 sometimes provided with a gland. Ovary 4-celled ; ovules 

 1 in each cell ; style usually stout, 2-lobed, only 1 of the 

 lobes stigmatic. Fruit dry, mostly enclosed by the calyx, 



