SCROPHULARIACE^E. 



61 



a. Ripe capsule of Mi- 

 mulus luteus. b. The 

 same seen edgwise burst- 

 ing open. c. A cross 

 section of the same, show- 

 ing the placentae and 

 seeds, d. Pistil of Mi- 

 mulus luteus. e. Front 

 view of one of the an- 



Miinulus glutinosus. thers. f. Back view of 



the same. Above these are the stamens of Mi- 

 mulus glutinosus united in pairs. 



a. Single flower and bract of Pedicularis densi- 

 flora (galea flattened laterally, the pistil protrud- 

 ing; the lower lip of 3 small lobes, 2 of which 

 are shown.) b. A single flower of Castilleia. 



c. Single flower of Orthocarpus purpurascens. 



d. Front view of the same, with calyx removed. 

 The lower lip (anterior or front part of the flower) 

 3-lobed, the galea beaked and surpassing the 

 stigma. 



This larg e order, numbering nearly 2,000 species, is remarkable for the great beauty 

 of its flowers, and for the impartial distribution of its species over the whole world. 

 Over 375 species, belonging to 37 genera, are natives of the United States. About 75 

 species grow east of the Mississippi, and about 175 west of the Sierra Nevada in this 

 State. 



LIN ARIA. 



L. vulgaris, Mill. Is occasionally found by roadsides. Stems very leafy: flowers 

 yellow, au inch or more long, in a dense raceme. A native of Europe, often called 



