400 PROCEEDINGS OP THE ACADEMY OF [1898. 



Ejemplar silvestre recogido de la montaiia. This plant was one 

 foot high with purple flowers. Ped regal, La Cima, 10,000 feet, 

 Aug. 18 (131). 



148. Solanum tuberosum Linn. var. boreale Gray. 

 Sierra del Ajusco, Aug. 18 (140). 



SCROPHULARIACE^. 



149. Castilleja angustifolia Mart. & Gal. in Bull. Acad. Brux., XII, ii, (1845) 29; 



Biol. Centr. Amer. Bot., II, 460. 



Sierra del Ajusco, Aug. 18 (123 A). 



150. Castilleja tenuiflora Benth. PI. Hartw., 22. 

 Pedregal, La Cima, Aug. 18 (123). 



151. Pentstemon barbatus Roth. Catalect. fasc, III, 49 ; Nutt. Gen. Am., II, 53. 

 Pentstemon coccinens Engelm. in Wisliz.Tour. North. Mex., 107 (Sketch, 23). 

 Colorado, New Mexico, North and South Mexico. La Cima, 



Sierra del Ajusco, 10,000 feet, Aug. 18 (104). 



152. Pentstemon imberbis Trautv. in Bull. Sc. Petersb. V, (1839) 345 ; Biol. Centr. 



Amer. Bot., II, 445. 



Reported by a number of botanists in North and South Mexico. 

 La Cima, Sierra del Ajusco, Aug. 18 (104a). 



153. Pedicularis Mexicana Zucc. ex Bunge, in Bull. Phys. Math. Acad. Petersb., I, 



(1843)384. 



Pedregal, La Cima, 11,000 feet, Aug. 18 (111). 



CAPRIFOLIACEJE. 



154. Symphoricarpos microphyllus H. B. & K. Nov. Gen. et Sp. Ill, 424; Biol. 



Centr. Amer. Bot., II, 4. 



North Mexico, region of San Luis Potosi to South Mexico. 

 Pedregal, La Cima, Sierra del Ajusco, Aug. 18 (122). 



COMPOSITE. 



155. Stevia serrata Cav. Ic, IV, 33, t. 355 ; Biol. Centr. Amer. Bot., II, 89. 

 North Mexico, region of San Luis Potosi ; South Mexico, near 



Tacubaya (Bourgeau). La Cima, pedregal, Aug. 18 (127). 



156. Stevia linoides Sob.. Bip. in Linntea, XXV, (1852) 284. 



The specimens collected are doubtfully referred to this species. 

 La Cima, Sierra del Ajusco, Aug. 18 (128). 



157. Senecio Sanguisorbse DC. Prodr., VI, 427; Biol. Centr. Amer. Bot., II, 247. 

 A plant ranging from San Luis Potosi in North Mexico to Real 



del Monte in South Mexico. La Cima, Sierra del Ajusco, Aug. 18 

 (139). 



