380 PROCEEDINGS OF THE ACADEMY OF [1898. 



vated fields. Introduced with ballast into Philadelphia. It is used 

 by the bush doctors of the Bahamas according to Dolley 5 for the 

 sraall-pox. " Its seeds have been used elsewhere as a substitute for 

 Ipecacuanha, its juice is said to destroy warts, to be efficacious 

 against the bites of venomous serpents, and to be useful in opthal- 

 mia. 



" El Chicalate " ; " Argemone du Mexique " ; " Adormidera espi- 

 nosa," Chicalotl (Mexico) ; " Cardo Santo " (Antilles, Cuba) ; 

 " Prickly-poppy " ; " Mexican Poppy," " Yellow-thistle," " Fin 

 Bush." Koadsides near Tlalpam, Aug. 15 (82). 



CRUCIFER^J. 



11. Raphanus Raphanistrum Linn., Sp. PI., 669. 



This plant is naturalized in Mexico, and occurs in the collections 

 of many travellers. " Wild Radish." Aug. 20 (185). 



12. Sisymbrium canescens Nutt., Gen. Am., II, 68. 



In North America from Arctic Circle to South Mexico. Tlal- 

 pam, Aug. 22 (221). 



RESEDACE.E. 



13. Reseda Luteola Linn. Sp. PI., 449; Biol. Centr. Amer. Bot., I, 46. 



Without doubt an introduced plant. Tlalpam, Aug. 20 (186). 



LEGUMINOSJE. 



14. Phaseolus sp. 



Near Tlalpam, Aug. 15 (103). 



15. Trifolium amabile H. B. K. Nov. gen. et sp., VI, 503, t. 593; Biol. Centr. 



Amer. Bot., I, 232. 



Abundant throughout Mexico. The several specimens collected 



in 1896 are questionably referred to this species. Tlalpam, Aug. 



20 (155). 



GERANIACE^J. 



16. Oxalis divergent Benth. PI. Hartw., 9 ; Bot. Reg., t. 1,620; Biol. Centr. Amer. 



Bot., I, 163. 



Collected by various botanists in several parts of Mexico along 

 ditches. Tlalpam, Aug. 20 (178). 



17. Erodium cicutarium L'llerit ex Ait. Hort. Kew. ed. I, ii, 414 ; Leman in DC. 



Fl. Fr., IV, 840 ; Biol. Centr. Amer. Bot., I, 161. 



Widely dispersed in the north temperate regions of the Old 

 World, and now exceedingly common in many parts of North Amer- 



5 Dolley, Prov. List Plants of Bahama Islands. 



