ROBINSON AND GREENxAIAN. — GENUS MONTANOA. 511 



xxiii. 90 (where the leaves are incorrectly described as glandular above). 

 — Ejutla, Mexico, Liebmann, no. 483. Type in herb. Bot. Gard. Copen- 

 hagen ; a fragment and good drawing in herb. Gray. 



■w -w- ++ Leaves (rather large) decidedly lobed, more or less attenuate 

 at the base. 



6. M. myriocephala. Shrub, copiously branched : stems terete, 

 pithy, at first tomeutose, at length glabrate : leaves all opposite, petiolate, 

 8 to 14 cm. long, about half as broad, scabrous, and minutely tuberculate- 

 puberulent above, thinly tomentose or at length glabrate beneath ; lobes 

 broad, the terminal one ovate, acuminate, the lateral single, broad and 

 truncate or somewhat bifid, crenate-serrate or dentate; base of the blade 

 at first abruptly then gradually narrowed and decurrent about half way 

 down the petiole, the wings thus formed terminating rather abruptly and 

 leaving the lower portion (1 to 4 cm.) of the petiole naked : heads very 

 numerous, in open convex terminal corymbs ; branches of the inflo- 

 rescence usually exceeding the leaves ; involucral scales 7, ovate-oblong, 

 acute : ligules 6 to 7 mm. long, 4 mm. broad ; disk-flowers about 9. — 

 Jalisco, at Chapala, October-November, 1886, Dr. Edward Pulmer, no. 

 714; Oaxaca, 9 km. above Dominguillo, altitude 1,380 to 1,690 m., 

 30 October, 1894, E. W. Nelson, no. 1854, below Jayacatlan, altitude 

 1,000 m., 19 October, 1895, L. C. Smith, no. 923; Puebla, between 

 Petlacingo and Acatlan, altitude 1,070 m., 20 November, 1894, E. W, 

 Nelson, no. 2000 ; Chiapas, between Hacienda Juncana and San Vicente, 

 altitude 1,300 to 1,800 m., E. W. Nelson, no. 3503. Types in herb. Gray 

 and herb. U. S. National Museum. 



7. M. XANTHiiFOLiA, Sch. Bip. 1. c. Similar to the preceding, the 

 leaves of different contour, very scabrous above, 1.2 dm. long, 9 cm. 

 broad, 3-lobed, cuneately narrowed into a stoutish rusty-tomentose peti- 

 ole ; the lobes upwardly directed, ovate or triangular, acute to caudate- 

 acuminate, glandular-denticulate : disk-flowers about 10 ; ray-flowers 2 

 to 3 ; spinescent tip of the pales strongly reflexed in fruit. — Hemsl. I. c. ; 

 Klatt, 1. c. & Bull. Soc. Bot. Belg. xxxi. pt. 1, 201. — Chacalepa Estate, 

 Mexico, Liebmann, no. 265 ; also Rodeo, Costa Rica, altitude 750 m., 

 Pittier. Type in herb. Bot. Gard. Copenhagen ; a good drawing and 

 fragments in herb. Gray. 



-t- •(- Bracts of the involucre, during anthesis, 5 to 6 mm. long. 



8. M. Palmeri, Fernald. Shrub : branches tomentulose above, but 

 soon quite glabrate : leaves broadly ovate, more than half as wide as 

 long, some of them strongly angled or shallowly lobed, caudate-acumi- 



