FIELD COLUMBIAN MUSEUM BOTANY, VOL. III. 



escence of compound terminal and axillary cymes, branchlets 



and pedicels rigid, rusty glandular-hirsute. Heads 4 or 5 flow- 

 ered, 6 mm. high, 5 mm. or less 

 broad. Involucre narrowly cam- 

 panulate, bracts loosely imbri- 

 cated in 3 or 4 series, outer 

 rufous, ovate, subacute, minutely 

 glandular-pubescent or nearly 

 glabrate; inner pale, lanceolate, 

 ciliolate at the obtuse apex. Cor- 

 olla white. Receptacle minute, 

 convex. Achene dull brown, 

 .6x3.1-3.3 mm., narrowly ob- 

 conoid, attenuate at the base, 

 apex truncate; in section un- 

 equally 5 sided, the angles 

 prominent, the facets somewhat 

 concave; 5 nerved, the nerves 

 glabrous or with a few scattered 



hairs, internerves glandular-hirsute; pappus pale stramineous, 4 mm. 



long. 



Hab. Moist soil near the Caleta, Cozumel, Millspaugh PL 



Utowana 1510 (Eupatorium hebebotrya Field Col. Mus. Bot. 2:105). 



Called XTOKABAL, "Astringent." The plant here grows as a 



tree, with a trunk 5 to 10 cm. in diameter and a height of 3 to 8 



meters. A decoction of the bark, leaves, and flowers is used as a 



domestic remedy for gonorrhoea. 



Eupatorium aromatisans DC. Prod., 5:150. 



A robust, semi-woody herb with smooth, "striate-sulcate, sub- 

 angled stems and branches and opposite, petioled, large, broadly 

 ovate, acute, coarsely serrate 

 leaves, short decurrent on the 

 petiole forming a cuneate base. 

 Inflorescence a dense, rounded, 

 cymose panicle with opposite, 

 divaricate, striate, subtomentose 

 branchlets; pedicels short, slen- 

 der. Heads 10-12 flowered, 7 

 mm. high, 2.5-3 mm - broad. In- 

 volucre ovoid, bracts appressed, 

 in 4-5 series, oblong, obtuse, 

 striate, ciliolate, tinged with 

 rufous, the outer successively 

 shorter. Corollas white (?). Re- 

 ceptacle minute, convex. Achene 

 light brown, .6x2.2 mm.; ob- 

 long-obconoid, abruptly attenu- 

 ate at base, apex truncate; in section unequally 5 sided, the angles 

 acute, the facets plane; 5 nerved, sparsely pilose, especially on the 

 nerves; pappus stramineous, 4-5 mm. long. 



