84 NORTH AMERICAN FAUNA. 



rays 2 to 3 cm. long; pedicels 4 to 8 mm. long; fruit white, 6-lobcd, 

 4 mm. high; styles short, connate to near the top. 



Collected on Maria Madre Island May 3 to 25 (No. 4282). 

 Fortlaiidia pterosperma Watson. 



A species recently described by Dr. Watson, the type coming from 

 near Guaymas, Souora. May 3 to 25 (No. 4211). 



Eupatorium sp. 



May 3 to 25, 1897 (No. 4225). 

 Eupatorium sp. 



May 3 to 25, 1897 (No. 4244). 

 Eupatorium collinum DC. 



Common in Mexico and Central America. May 3 to 25, 1897 (No. 

 4199). 

 Mikania cordifolia Willd. 



Reported from Central and South America. May 3 to 25, 1897 (No. 

 4299). 

 Conyza lyrata H. B. K. 



Reported from Mexico, Central and South America. May 3 to 25 

 (Nos. 4290 and 4312). 

 Baccharis glutinosa Pers. 



A common Mexican and Central American plant. May 3 to 25, 1897 

 (No. 4291). 

 Pluchea odorata Cass. 



Widely distributed in Mexico and South America. May 3 to 25, 

 1897 (No. 4181). 

 Parthenium hysterophorus L. 



Common in Mexico, South America, and in the southern United 

 States. May 3 to 25, 1897 (No. 4267). 

 Perityle microglossa Benth. 



A common Mexican plant. May 3 to 25, 1897 (No. 4266). 

 Porophyllum iiummularium DC . 



Eestricted to Mexico. May 3 to 25, 1897 (No. 4292). 

 Trixis frutesceiis P. Brown. 



A common Mexican and Central American plant. May 3 to 25, 1897 

 (Nos. 4191), and Maria Cleofa Island, May 30, 1897 (No. 4331). 

 Jacquinia macrocarpa Cav. 



Species not represented in the National Herbarium, but reported 

 from Mexico, and Central and South America. May 3 to 25, 1897 (No. 

 4208). 

 Gonolobus sp. 



Fruit only. May 3 to 25, 1897 (No. 4313a). 

 Buddleia verticillata H. B. K. 



A common Mexican species. May 3 to 25, 1897 (No. 4183). 



