APRIL, 1904. PLANTS YUCATAN^: MILLSPAUGH & CHASE. 105 



subcrenate, pubescent, with short, stiff white hairs, the first cordato- 

 orbicular, second and third smaller, cordato-ovate, opposite to and 

 closely appressed to the first, the third folded under the second and 

 adherent to it on one side at the base. Corollas yellowish, barely 

 exceeding the involucre. Achene dull black, 1.4x2.5 mm., obovate; 

 in section biconvex in outline; the lateral and ventral angles keeled, 

 dorsal angle nearly, obsolete, sparsely pubescent near the summit, 

 apex minutely denticulate. 



Hab. "Herb, 3 feet high; abundant on uncultivated and waste 

 lands near Izamal, Sept. to Feb." Gaumer 367 (Elvira Martyni Cass. 

 Field Col. Mus. Bot. 1:323) Chichankanab 1535, 1571, 1709, 1711, San 

 Anselmo 1710. 



MILLERIA L. Sp. PL, 919. 



Heads heterogamous, radiate, ray flower i, pistillate, fertile, Hgu- 

 late; disc flowers 2-4, perfect, sterile, tubular. Involucre oblique, 

 depressed subglobose, thickened in fruit, firmly closed over the 

 achene, of two outer bracts, one wide, concave, subcucullate, the 

 opposite small, and 2 or 3 subhyaline inner ones. Receptacle naked, 

 small. Achene slightly compressed laterally, the hilum above the 

 base, striate, pappus none. Tall annual herbs, with inconspicuous 

 heads. 



Milleria quinqueflora L. Sp. PI., 919. 



An erect annual, with subangled stem and trichotomous branches, 

 and large, thin, opposite, orbicular-ovate, abruptly acuminate leaves, 

 attenuate into a winged petiole or the upper sessile, subentire, scabrate 

 above, soft pubescent beneath. Inflorescence of terminal and axil- 

 lary dichotomous racemes; rachis glandular pubescent. Heads 5-6 

 mm. high, 2.5-3 mm - broad on slender, spreading or drooping, glabrate 

 or sparingly glandular-pubescent 

 peduncles, 5 flowered, ray flower i, 

 pistillate, fertile, the others perfect, 

 sterile. Involucre obliquely cup- 

 shaped when young, much thick- 

 ened in fruit, 4-5 mm. in diameter, 

 turgid, somewhat gibbous, irregular 

 subglobose, sparingly glandular. 

 Ray flower yellow, ligule cuneate, 

 3 cleft, 5 mm. long; disk corollas 

 green. Achene dull black, 2.5x4 . 

 mm., obovoid, suboblique at base; 

 in section oval; many striate with 

 impressed lines. v--/// 



Hab. Cercanias about Merida, ^^=zZ^ \=^ 



Nov. 15, 1864, Schott po; "herb 9 



feet high, abundant in fields and vacant lots about Izamal, flowering 

 from Oct. to Jan." Gaumer 949. 



Called XIUTOLOC, "Toloc herb," by the Mayas. The Maya TOLOC 

 is an unknown species of persimmon, bearing a fruit having a crest or 

 hood. 



