ROBINSON AND GREENMAN. — GENUS MONTANOA. 519 



3 dm. long including the petiole, scabrous above, at first canescent and 

 velvety-tomentose but at length pale green and merely tomentulose be- 

 neath; lobes about 7, acuminate, serrate, the middle ones much larger 

 than the others and again 2-4-lobed; winged petioles 6 to 8 cm. long, 

 half as broad, flat, irregularly crenate-toothed, auriculate-amplexicaul at 

 the base : heads numerous, showy : fruiting pales gradually narrowed to 

 a point. — Sch. Bip, in Koch, Wochenschr. vii. 408; Hemsl. 1. c. 165, 

 only in part if at all. 1 M. mollissima, Brongn. ace. to Groenland, Rev. 

 Hort. ser. 4, vi. (1857), 543 ; Sch. Bip. in Koch, Wochenschr. vii. 408. 

 Montagncea grandijiora, DC. Prodr. v. 565. Eriocoma grandijiora, 

 Alam. and "^ Prlestleya longifolia, Fl. Mex. Icon. ace. to DC. 1. c. — Hills 

 about Patzcuaro, Michoacan, Pringle, no. 3306 ; Guanajuato, Duges, no. 

 456a. Originally collected in Mexico without locality by Alaman. 



* * Petioles with wings narrow, irregular, incomplete, or none. 

 ■*- Leaves permanently canescent-tomentose beneath. 



30. M. SPECIOSA, Sch. Bip. 1. c. Wings of the petiole narrow, crisped, 

 crenate-lobed : inflorescence a simple corymb, the primary branches 5 to 

 8 cm. long, 1-headed. — Hemsl. 1. c. 166. — Montagncea speciosa, DC. 

 1. c. 565. — Cuernavaca, Morelos, Berlandier, no. 1057. Said (probably 

 erroneously) to be herbaceous. Not secured by recent collectors. Type 

 number in herb. Gray. 



■t- -I- Leaves soon green and merely puberulent beneath. 



31. M. PYRAMiDATA, Sch. Bip. 1. c. 408. Erect shrub, 3 m. high, 

 with pithy stems and obtusely 4-angled branches : leaves sinuate-pin - 

 natifid with 7 to 9 oblong-lanceolate acuminate serrate very unequal lobes ; 

 intermediate lobes 2-cleft; petioles narrowly or obsoletely winged and 

 bearing near the summit several rounded lobes, and at the base usually 

 large foliaceous amplexicaul auricles : heads in a compound corymb ; 

 fruiting pales papery, obovate, subtruncate, with short delicate point. — 

 Hemsl. 1. c. 166. M. grandijiora^ Hemsl. 1. c. 165, in part, as to pi. 

 Bourgeau. — Jalisco, Guadalajara, Oliva, Palmer, no. 492, Pringle, no. 

 2930; Morelos, at Cuernavaca, Bourgeau, no. 1199, Pringle, no. 7044; 

 near the boundary of Oaxaca and Puebla, altitude' 1,470 to 2,000 m., 

 E. W. Nelson, no. 1984; Colima, Palmer, no. 1159 (coll. of 1891). 



32. M. BiPiNNATiFiDA, C. Koch. Similar to the preceding in most 

 regards : lobes of the leaves 9 to 11, narrowly oblong, subequal, although 

 the second and third pairs are 2-3-lobed; petioles channelled but not 

 winged or appendaged except at the summit and base where provided 

 with two or more small rounded or obtuse auricles : heads iu a compound 



