APRIL, 1904. PLANTS YUCATAN^: MILLSPAUGH & CHASE. 



93 



Hab. "Common, both wild and in cultivation ; used as an aromatic 

 in tobacco," "Merida, Valdez 92 (Eupatorium quadrangulare Field Col. 

 Mus. Bot. 1:324); herb 10 feet high, in general cultivation at Izamal, 

 March, Gaumer 552 {Eupatorium pop ulifolium Ibid.}. 



"CHIOPLE," * this name is given by Donde in his Lecciones Bot. 

 as the Maya designation of this species. I cannot, however, place it 

 as Maya; it is doubtless of Spanish-Maya origin. Cuevas says:f 

 "The leaves, macerated in alcohol and applied topically with friction 

 to the seat of pain, are much used as a remedy for rheumatism. The 

 alcoholic tincture, in doses of a few drops before each meal, is much 

 used as a remedy for stomach disorders." 



Eupatorium albicaule Sch. Bip. in Klatt, Leopoldina, 20:89. 



A shrub with terete, striate stems and branches and whitish bark, 

 young branches glandular-puberulent; leaves opposite, short-petioled, 

 falcate-ovate, acuminate, crenate- 

 serrate or subentire, glabrous, 

 with pubescent veins. Inflor- 

 escenceof dense cymose panicles, 

 terminating short, leafy branch- 

 es, peduncles and pedicels 

 glandular-canescent. Heads 

 12-15 flowered, 6-7 mm. high, 

 as broad or nearly so. Involucre 

 campanulate, bracts loosely im- 

 bricated in 2-3 series, subacute, 

 glandular-puberulent, the outer 

 lanceolate, inner linear-lanceo- 

 late. Corolla white, the lobes 

 glandular. Receptacle minute, 

 convex. Achene chestnut; .4- 

 .5X2mm., oblong, little nar- 

 rowed at the base, subcompressed; in section oblong in outline, un- 

 equally 10 angled, 10 nerved, some of the nerves usually faint, sparsely 

 glandular-hirsute, internerves glandular above; pappus pale stramin- 

 eous, 4-4.5 mm - long- 



Hab. Cozumel 1885, Gaumer 122 (Oliver), (E. sp. Hemsley 

 Field Col. Mus. Bot. 1:51, E. drepanophyllum Klatt, Ibid. 1:324); 

 "shrub 10 feet high, flowers white, Nov. to March, Big Mound, Izamal, 

 Gaumer 608; common in brushlands about Izamal, 824. Big Mound, 

 Izamal, March n, 1903 Cac. et. Ed. Seler jpipa, 3921. 



Eupatorium conyzoides Vahl Symb., 3:96. 



An erect or reclining, slender shrub, with terete or subangled, 

 striate stem and divaricate branches, and opposite, petioled, ovate, 

 acuminate, 3 nerved, variously toothed leaves, more or less tomentu- 

 lose and punctate beneath. Inflorescence an elongated, divaricately 



"Called CHIOPK by the Mayas. 

 tEnsayo Botanico, 1894: 13. 



