128 PROCEEDINGS OF THE AMERICAN ACADEMY 



forms of the same species, though the Mexican specimens have mostly 

 shorter pedicels, tiie fruit is sometimes smaller, and the corolla varies 

 to some extent. 



Lycium Carolinianum, "Walt. On Corpus Christi Bay, Texas 

 (953), trailing on the ground and rooting at the joints. 



Lyciuji barbinodum, Miers, var. (?) In the mountains west of 

 Saltillo (95.3). With shorter and more spreading corolla tlian in the 

 forms of L. Berlandleri, but with smaller leaves and much shorter 

 pedicels than in typical L. barbinodum. Flowers described as laven- 

 der-color or violet. 



Lycium Sciiaffneri, Gray. At San Luis Potosi (SchafFner) ; 

 655 Parry & Palmer. 



Datura quercifolta, HBK. At Parras, Coahuila (959), and at 

 San Luis Potosi (705, 706 SchafFner); 658 Parry & Palmer, 



Datura meteloides, DC. At San Lorenzo de Laguna, Coahuila 

 (900), in the San Miguelito Mountains, San Luis Potosi (707 Schaff- 

 ner), and at Guanajuato (Duges), wliere it is known as " Toloachi." 



Hyoscyamus albus, Linn. At San Lorenzo de Laguna, in culti- 

 vation (904), and naturalized about San Luis Potosi (708 Schaffner), 

 where it was introduced by the French. 



Cestrum multinervium, Dun. At San Antonio, Texas (808). 



Cestrum laxum, Benth. At Guanajuato (Duges); popularly 

 known as " Huele de noche de la Sierra." 



Cestrum lanatum, Mart. & Gal. At Guanajuato (Duges) ; 

 " Ahuacatillo." 



NicoTiANA NUDiCAULis. Viscid-pubesccnt, 1 to 2 feet high, the 

 stem and naked branches bearing short paniculate or simple racemes : 

 leaves mostly at the base, entire, oblanceolate with a winged petiole, 

 not auriculate nor clasping, 2 to 18 inches long by 1 to 4 wide, the 

 cauline 1 to 3 inches long : pedicels 2 or 3 lines long : calyx 3 lines 

 long, the longer narrow tooth about equalling the tube; corolla 9 

 lines long, narrowly cylindrical, with the throat contracted, very 

 narrow at base within the calyx, the very short obtusely lobed limb 

 nearly erect: filaments inserted equally near the base: capsule ovate, 

 acute, 4 lines long. — At Monterey, ISTuevo Leon (901). Allied to 

 N. panicidata. 



NicOTiANA TRiGONOPHYLLA, Dun. In the mountains east of 

 Saltillo (902), and in rocky places about San Luis Potosi (088 

 Schaffner) ; 000 Parry & Palmer. 



NicoTiANA repanda, Willd. At Georgetown, Williamson County, 

 Texas (999) ; 059 Parry & Palmer. 



