398 PROCEEDINGS OF THE ACADEMY OF [1898. 



IRIDACE.aJ. 



132. Sisyrinchium Schaffneri S. Wats, in Proc. Amer. Acad., XVIII, (1883) 160. 

 Sierra del Ajusco, Aug. 18 (144). 



ORCHIDACE.EJ. 



133. Microstylis tenuis Wats. 



La Cima, ped regal, Aug. 18 (117 specimen lost). 



134. Spiranthes aurantiaca Hemsl. Biol. Centr. Amer. Bot., Ill, 300. 



Reported from several stations in South Mexico. The specimens 

 here were collected by Mr. John MacGlashen assistant to Mr. 

 Pringle. La Cima, pedregal, Sierra del Ajusco, Aug. 18 (116). 



PIPERACEJE. 



135. Peperomia umbilicata Ruiz and Pav. FI. Per., I, 30, t. 45, f. b. ; Biol. Centr. 



Amer. Bot., Ill, 66. 



North to South Mexico, Colombia and Bolivia. The small tubers 



are of a piquant flavor resembling the true pepper (pimienta) ; 



hence, " Pimienta de tierra." Sierra del Ajusco, 11,000 feet, Aug. 



18 (145). 



SAXIFRAGACE.5]. 



136. Ribes Jorullense H. B. & K. Nov. Gen. et Sp., VI, 61 ; Biol. Centr. Amer. 



Bot., I, 386. 



Emetic properties are attributed to the roots of this plant, called 

 "Saracuacho" by the Mexicans. La Cima, pedregal, Aug. 18 

 (124). 



137. Ribes microphyllum H. B. & K. Nov. Gen. et Sp., VI, 62; Biol. Centr. Amer. 



Bot., I, 386. 



La Cima, pedregal, 11,000 feet, Aug. 18 (115). 



ONAGRACE.2E. 



138. Oenothera sinuata Linn. Mant., II, 228 ; Biol. Centr. Amer. Bot., I, 454. 



From the United States southward through Mexico. Sierra del 

 Ajusco, 10,000 feet, Aug. 18 (138). 



UMBELLIFER^l. 



139. Eryngium montanum Coult. & Rose. 

 La Cima, pedregal, Aug. 18 (112). 



CORNACE^3. 



140. Garrya lauriflolia Benth. PI. Hartw., 14; Biol. Centr. Amer. Bot., I, 576. 



Reported from a number of localities in North and South Mex- 

 ico. A plant used medicinally. " El Cuauchichic ;" " Chichicua- 

 huitl." Sierra del Ajusco, Aug. 18 (147). 



