Vicinity of Windsor, Portland j altitude 150-175 meters, 
February 15-19, 1920. 
263. Oxalis omrtiana Zucc. 
Olay soil, banana plantation* 
264. Phyllanthus urinaria L . 
Clay soil, banana plantation, 
265. Potamogeton foliosus I»af . 
In running water, Rio Grande, 
266. Sleo Claris capitata R. Br. 
Exposed muddy banka of Rio Grande • 
267. Persicaria portoricensis (Pres!) Small • 
Stems decumbent, rooting at nodes. 
In water; shore of Rio Grande. 
268 . Paspalum panicuiafcua L . 
Gravelly shores of Rio Grande. 
269. Erioohloa punctata (L.5 W. E&milt • 
Gravelly shores of Rio Grand® . 
270. Borreria verticillata (L.) Stay. 
Gravelly shores of Ric Grande. 
271. Paehystaohys ooccinea (Aubl.) Rees. 
Flowers red. 
Edge of clearing . 
272. Acalypha elliptica Swartas • 
Shrub about 4 meters high . 
Edge of clearing. 
273. Celcsia argentea L, 
Bry rooky river bottom®. 
274. Ipomoea catharica Poir. 
Clearings along river . 
276. Solanum torvurn Swartz . 
Wb.it© flowers. 
Clearings along stream. 
277. Caeealpinia eepiaria Roxb , 
Shrub, 5-8 meters high. 
Clearings along stream. 
280. Celosia argentea L. 
Purple flower. 
Gravelly river bottom®. 
