390 PROCEEDINGS OF THE ACADEMY OF [1898. 



UMBELLIFER.EJ. 



81. Eryngium comosum Delar. Eryng. 30, t. 7 ; Biol. Centr. Arner. Bot. I, 560. 



Recorded from a number of stations in South Mexico. Pedregal, 



Aug. 22 (211). 



ASCLEPIADAOEJE. 



82. Asolepias neglecta Hemsley. Biol. Centr. Amer. Bot., II, 325. 



Recorded from South Mexico by a number of botanists. The 

 specimens collected in 1896 doubtfully referred to this species. 

 Hills above Tlalpam portion of pedregal, Aug. 22 (194). 



83. Aselepias Linaria Cav. Ic, I, 42, t. 57 ; Biol. Centr. Amer. Bot., II, 324 ; DC. 



Prodr., VIII, 570. 



North and South Mexico. Pedregal, Aug. 20 (165). 



84. Philibertia elegans Hemsl. Biol. Centr. Amer. Bot., II, 318. / 

 Recorded from a number of localities in South Mexico. A climb- 

 ing or trailing plant. Pedregal, Aug. 20 (188). 



PLUMBAGINACEJE. 



85. Plumbago pulchella Boiss. in DC. Prodr., XII, 692 ; Biol. Cent. Am. Bot., II, 287. 



From North to South Mexico. Used by the Mexican Indians to 

 raise blisters, cure toothache and the running of the eyes (Materia 

 Medica Mexicana, p. 79, fig.) "El Paiiete" ; " Jiricua " ; " Tlepatli" ; 

 " Yerba del alacran"; " Cola depescado " ; " Cola de iguana" ; 

 " Yerba lumbre." Pedregal, Aug. 22 (213). 



CONVOLVULACEJE. 



86. Ipomoea longipedunculata Hemsl. Biol. Centr. Amer. Bot., II, 389. 



Pedregal, Aug. 20 (175). 



VERBENACEJE. 



87. Priva tuberosa S. Wats, in Proc. Amer. Acad., XVIII (1883) 135. 



Pedregal near Tlalpam, Aug. 22 (198). 



LABIATE. 



88. Mentha rotundifolia Huds. Fl. Angl. ed. I, 221 ; Biol. Cent. Am. Bot., II, 546. 



Naturalized in some parts of Mexico. Found also in Europe, 

 Asia, and Northern Africa. Pedregal, Aug. 22 (221a). 



SOLANACEJE. 



89. Nectouxia formosa H. B. & K. Nov. Gen. et Sp., Ill, 10, t. 193; Biol. Centr. 



Amer. Bot., II, 425. 



This herbaceous monotype has been collected in a number of 

 places in Mexico. The fruit is eaten. Pedregal, Aug. 20. 



