STANDLEY TREES AND SHRUBS OF MEXICO 1535 



long; blades broadly ovate or suborbicular-ovate, 7 to 11 cm. long, 4.5 to 8 cm. 

 wide, acute or short-acuminate, cuneate to subtruncate at base, sometimes with 

 a short blunt lobe on each side near middle, remotely crenate, harsh above; 

 heads numerous, 1.7 to 2 cm. wide; immature pales truncate-rounded and 

 abruptly contracted into a short erect cusp. "Flor de San Francisco." 



26. Montanoa pauciflora Klatt, Leopoldina 23: 90. 1887. 

 Coreopsis trilobata Vahl; Klatt, Leopoldina 23: 90. 1887, as synonym. 

 Oaxaca. Guatemala, Honduras, and El Salvador; type locality erroneously 



given as South America. 



Scandent, suffrutescent; stem puberulent; petioles slender; leaf blades ovate, 

 5 to 9 cm. long, 3 to 6.8 cm. wide, acute or acuminate, sometimes shallowly and 

 acutely 3-lobed, scabrous above; heads usually rather numerous, 2.5 to 3 cm. 

 wide; fruiting pales retuse and short-mucronate. "Margarita," "palo de ma- 

 rimba," "tatascamite bianco" (El Salvador). 



27. Montanoa schottii Robins. & Greenm. Proc. Amer. Acad. 34: 518. 1899. 

 Yucatdn and Campeche (?); type collected between Merida and Sisal, Yucatdn. 

 Similar to M. pauciflora; leaves not lobed; branches of inflorescence sordid- 



tomentose; phyllaries acute; heads 4.5 to 5 cm. wide; fruiting pales retuse and 

 mucronulate. "Homahak" (Maya, Yucatan). 



28. Montanoa gracilis Schultz Bip.; C. Koch, Wochenschr. Gartn. 7: 407. 1864. 

 Erioco?na gracilis Kuntze, Rev. Gen. PI. 1: 336. 1891. 



Known only from the type locality, "San Miguel, La Grabra," Mexico. 



Similar to M. pauciflora; leaves ovate-lanceolate, 5 cm. long, 2.5 cm. wide, 

 cuneate at base, very rough above, essentially glabrous beneath except along the 

 nerves; rays 5; pales with straight mucro. (Description compiled.) 



29. Montanoa grandiflora (DC.) Schultz Bip.; C. Koch, Wochenschr. Gartn. 

 7: 408. 1864. 



Montagnaea grandiflora DC. Prodr. 5: 565. 1836. 



Eriocoma grandiflora Alaman; DC. Prodr. 5: 565. 1836, as synonym. 



"iPriestleya longifolia Moc. & Sesse; DC. Prodr. 5: 565. 1836, as synonym. 



Durango to Oaxaca; type from Mexico, without definite locality. 



Shrubby, up to 4 meters high; stem stout, sordidly subtomentose; leaves up to 

 30 cm. long (including the broadly margined petiole), pinnatifid with 3 to 9 un- 

 equal lobes, usually acuminate, green and rough above, canescent-tomentulose 

 or subglabrescent beneath; heads numerous, 4.5 to 6.5 cm. wide; fruiting pales 

 gradually spinescent-acuminate. "Paracua" (Michoacdn, Seler). 



30. Montanoa speciosa (DC.) Schultz Bip.; C. Koch, Wochenschr. Gartn. 7: 

 408. 1864. 



Montagnaea speciosa DC. Prodr. 5: 565. 1836. 



Eriocoma speciosa Kuntze, Rev. Gen. PI. 1: 336. 1891. 



Known only from the tj^pe locality, Cuernavaca, Morelos. 



Leaves about 22 cm. long, 7.5 cm. wide, irregularly pinnatifid, decurrent on 

 the petiole, villous above, softly villous-tomentose beneath; pales subulate- 

 spinescent at apex. (Description compiled.) 



31. Montanoa pyramidata Schultz Bip.; C. Koch, Wochenschr. Gartn. 7: 408. 

 1864. 



Eriocoyna pyramidata Kuntze, Rev. Gen. PI. 1: 336. 1891. 



Jalisco, Colima, and Morelos; type from Guadalajara, Jalisco. 



Similar to M. speciosa; leaves soon green and merely puberulent beneath; 

 fruiting pales gradually or rather abruptly narrowed into the straight cusp. 

 "Tacote" (Sinaloa). 



57020—26 15 



