OP ARTS AND SCIENCES. 129 



NicoTiANA GLAUCA, Linn. At San Luis Potosi (G89 Schaff- 

 ner), and at Guanajuato (Duges), where it is called " Tronadora de 

 Espaiia." 



Petunia parviflora, Juss. At San Luis Potosi (612 ScliafFuer); 

 661 Parry & Palmer. 



BoucHETiA ERECTA, DC. At Lsrios (852) and Soledad, Coa- 

 huila (2021), and at San Luis Potosi (611 SchafFner) ; 630 Parry & 

 Palmer, in part. The linear portion of the corolla-tube is slightly 

 longer than the tube of the calyx (longer than in any Texan speci- 

 mens), but by no means so elongated as shown in the origiual figure 

 of D. procumhens, to which species Schaffner's plants are in part 

 referred by Hemsley, and the corolla is more expanded above. 



NiEREMBERGiA ANGUSTiFOLTA, HBK. At San Luis Potosi (610 

 Schaffner) ; 630 Parry «fe Palmer, in part. 



Leucophyllum Texanum, Beuth. At Uvalde, Texas, and Laredo 

 on the Rio Grande, and in the intervening region (967, 908, 2011), 

 and at Parras, Coahuila ; the latter a form with broad spatulate leaves, 

 referred to L. minus, Gray, and the same as 663 Parry & Palmer, 



Verbascum virgatum, With. In the mountains near Morales, 

 San Luis Potosi (742 Schaffner). 



Antirrhinum maurandioides, Gray. At San Antonio, Texas 

 (971), at Saltillo (970), and at San Luis Potosi (749 Schaffner) ; 



665 Parry & Palmer. 



Maurandia Barclayana, Lindl. In the Caracol Mountains, east 

 of Monclova (972), in the San Miguelito Mountains, San Luis Potosi 

 (748 Schaffner), and at Guanajuato (Duges) ; 664 Parry & Palmer. 



Maurandia erecta, Hemsl. in Gard. Chron. 2. 17. 22, and Bot. 

 Biol. Centr.-Amer. 2. 441. At San Lorenzo de Laguna, Coahuila 

 (966). 



Pentstemon barbatus, Nutt. In the Sierra Madre, south of 

 Saltillo (975), and in the Caracol Mountains, east of Monclova (973) ; 

 667 Parry & Palmer. 



Pentstemon ijiberbis, Trautv, At Saltillo, and in the mountains 

 east of that place (974), and in the San Miguelito Mountains, San 

 Luis Potosi (752 Schaffner) ; 667^ 668 Parry & Palmer. 



Pentstemon campanulatus, Willd. At Lerios in the high 

 mountains east of Saltillo (976), and at Guanajuato (Duges); 669 

 Parry & Palmer. 



Pentstemon baccharifolius, Hook,, var, Schaffneri, Hemsl. 

 In the San Miguelito Mountains, San Luis Potosi (751 Schaffner); 



666 Parry & Palmer. 



VOL. XVIII, (n. s. X.) 9 



