"The Flora of Mt. Orizaba. among the first collections made on Mt... H. Edeaton The following notes and report are based upon a collection of plants made on Mt. Orizaba by the writer while Botan ist of the J. T. Dowell expedition dur ing July and August, 1891. (The first collections on Mt. Orizaba to which there is any scientific reference, were made by Frederick Lieb- mann in 1841. He described the Volcano of Orizaba as the most interesting mountain in North America. It has a latitude of 18° and lies surrounded by the very fertile country of Southern Mexico. It is only 90 miles from the Gulf and having such a situation there is presented upon its eastern slope every phase of vegetation from tropical to alpine.) The regions in the vicinity of Cordoba & Orizaba at elevations of 3,000° and 4,000° and distances of 60 and 75 miles from the coast were the lowest stations at which collections were made. At that altitude the vegetation is sub-tropi- cal. Palm, coffee, banana & orange trees grow in abundance & maize & sugar cane attains a high degree of cultivation. Prominent among the fami- lies that make up the shrubby and banana