394 PROCEEDINGS OF THE ACADEMY OF [1898. 



109. Indigofera sp. 



Pedregal, 7,500-7,800 feet, Aug. 25. 



SAPINDACE^S. 



110. Dodonsea viscosa Jacq. Enum. PI. Carib., 19; Linn. Mant., 228; Biol. Centr. 



Amer. Bot., I, 215. 



Collected by Dr. Jose Ramirez on the pedregal at Eslava. A 

 plant found in nearly all tropical, sub-tropical and south temperate 

 regions throughout the world, and very common in Central America 

 and Mexico. I doubtfully refer the plant collected to this species. 



" Chapulistle ; " " Limonillo." Pedregal, Aug. 25 (276). 



SOLANACEJE. 



111. Solanum nigrum Linn. Sp. PI., 186; DC. Prodr., XIII, i, 50; Biol. Centr. 



Amer. Bot,, II, 412. 



A common weed in nearly all tropical and temperate countries ; 

 but it is impossible to determine where it is really indigenous. Col- 

 lected by Dr. Jose Ramirez at Eslava 8,725 feet. Tizapan ped- 

 regal, Aug. 25. 



COMPOSITiE. 



112. Dahlia cocoinea Cav. Ic, III, 33, t. 266. 



Tizapan pedregal, 7,500-7,800 feet (228 a. See ante). 



G. Contreras. 



Contreras is a station on the Mexico, Cuernavaca and Pacific 

 Railroad 17.5 miles from the City of Mexico. The following plants 

 were collected while the train stopped. 



PHYTOLACCACEJE. 



113. Phytolacca octandra Linn. Sp. PI., ed. II, 631; DC. Prodr., XIII, ii, 32; 



Biol. Centr. Amer. Bot., Ill, 30. 



South Mexico and southward to Peru and Uruguay, and in the 

 West Indies. Aug. 18 (114). 



SOLANACEJE. 



114. Physalis pubescens Linn. Sp. PL, 183; Griseb. Fl. Br. W. Ind., 435; Biol. 



Centr. Amer., Ill, 420. 



Generally dispersed in tropical America, Aug. 18 (113). 



H. Eslava. 



The Hacienda of Eslava and the village of that name are dis- 

 tant from the City of Mexico 19 miles. The pedregal, which 



