OP ARTS AND SCIENCES. 147 



SujEDA DIFFUSA, Watson. At Saltillo, Coabuila (11G7); 778.^ 

 Parry & Palmer. 



Su^DA ToRKEYANA, Watson (?) At Parras, Coahuila (11G8). 

 A very doubtful form, collected also by Gregg at Cienega Grande. 



BoussiNGAULTiA BASELLOiDES, IIBK. la the Morales Mount- 

 ains, San Luis Potosi (SchafFner) ; cultivated. 



RiviNA L^vis, Linn. At San Antonio, Texas (1170), and at 

 Guanajuato (Duges). Nearly smooth, large-flowered, and with loose 

 racemes, and perhaps to be so distinguished as only a variety of 

 a. /mmilis, to which species 77G Parry & Palmer is to be referred. 



Phytolacca octandra, Linn. At San Luis Potosi (887 Schaff- 

 ner) ; 777 Parry & Palmer. 



Phytolacca Mexicana, Sweet. Duges sends imperfect flower- 

 ing specimens, with fifteen stamens and about eight styles, probably 

 of this species (and P. purpurascens, Br. & Bouche), and not to 

 be referred to P. icosandra. Its popular name is " Congueran." It 

 is the P. octandra? of Hook, & Arn. Bot. Beechey, collected by 

 Barclay at Manzanilla and by Sinclair at San Bias, Tepic. 



Eriogonum loxgifolium, Nutt. At Sutherland Springs (1171). 



Eriogonum Jamesii, Benth. At Lerios, in the high mountains 

 east of Saltillo (1172). 



Eriogonum tenellum, Torr. At Parras (1173) ; and var. cau- 

 LESCENS, Torr. & Gray, at Soledad, Coahuila (1174). 



Eriogonum atrorubens, Engelm. In the Sierra Madre, south of 

 Saltillo (117o). 



Eriogonum Greggii, Torr. «fe Gray. In the same locality (1176). 



Eriogonum annuum, Nutt. At BlufTton, Texas (1177). 



Eriogonu-M multiflorum, Benth. At Sutherland Springs (1178). 



Eriogonum ciliatum, Torr. In the mountains east of Saltillo, 

 Coahuila (2088). Referred by Hemsley to E. atrorubens, Engelm. 



Eriogonum Abertianum, Torr. Near San Rafael, San Luis 

 Potosi (873 SchafFner) ; 795 Parry & Palmer. 



Eriogonum Wrightii, Torr. In the San Miguelito Mountains, 

 San Luis Potosi (874 Schaffner) ; 79G Parry & Palmer. 



Polygonum aviculare, Linn. At San Antonio, Texas (1179). 



Polygonum Pennsylvanicum, Linn. At Sutherland Springs, 

 Texas (1180), and near Morales, San Luis Potosi (882 SchaflTner). 



Polygonum Persic aria, Linn. Near Morales (883 Schaffner). 



Polygonum acre, Liim. At San Luis Potosi (884 Schaffner). 



Rumex crispus, Linn. At Parras, Coahuila (1181), near Mo- 

 rales (903 Schaffner), and at San Luis Potosi (907 Schaffner). 



