m 



146 



ERICACE^. 



Arctostaphylos pungens, Kunth.l Valley of the Gila and San 

 Diego. Flowers in January. 



A. tomentosa, Dougl.l A shrub 4 to 5 feet high. Cordilleras 

 of California. This may be a smooth variety of Douglas's plant. 

 The leaves are orbicular-ovate, obtuse or truncate at the base, 

 glabrous on both sides, with the petiole one-third the length of the 

 lamina. It was not found in flower. 



PLANTAGINACEiE. 



Plantago, n. sp. ? Allied to P. gnaphaloides, Nutt. Great 

 desert west of the Colorado, near the Cordilleras of California. 

 The whole plant is clothed with a loose white tomentum, which is 

 partly decidious with age. ( The leaves are linear-lanceolate, en- 

 tire, and taper to a long narrow base. The peduncles are 5 to 6 

 inches long, and bear a close cylindrical spike, which is less than 

 an inch in length. Sepals ovate, membranaceous, marked with a 

 strong mid-rib, which is villous externally. Segments of the co- 

 rolla ovate. Capsule 2 seeded. 



PEDALIACEiE. 



Martynia proboscidea, Linn.? Abundant in the valley of the 

 Del Norte. We have only the leaves, and a drawing of the fruit. 

 It is possibly M. Mthcefolia, Benth. in hot. Sulph. 



SCROPHULARIACEjE. 



Maurandia antirrhina, Lindl. On the San Francisco, a tribu- 

 tary of the Gila. A slender trailing plant, with beautiful purplish 

 flowers. ! 



Castilleja linearifolia, Benth. Valley of the Gila, and the re- 

 gion between that river and the waters of t.he Gila. 



Penstemon Torreyi, Benth. Region between the Del Norte~and 



the Gila. m .. 



Three or four other species of Penstemon exist in the collection, 

 but the specimens are incomplete, and have not yet been studied. , 



VERBENACEiE. 



Verbena bipinnatifida, Nutt. Valley of the Del Norte. 



Lippia cuneifolia, Steud. Verbena cuneifolia, Torr. in Long's 

 Rocky Mountain plants. Upper part of the Arkansas, and along 

 the tributaries of the Canadian. 



LABIATE. 



Salvia carduacea, Benth. Western slope of the Cordilleras of 

 California. 



