he 
ROBINSON AND GREENMAN. ‘GENUS ZALUZANIA. 533 
Klatt, Leopoldina, xxiii. 89. Ferdingttta montagnefolia, Sch. Bip. in 
Koch, Berl. Al lgem. Gartenz. 1858,-179.—S. Mexico, between Vera 
Cruz and Orizabas Miller; Ocotla, Liebmann, no. 272; also in Oaxaca 
near Monte os altitude 1,600 m., Pringle, no. 4928 (distrib. as Z. 
asperrima). 
++ ++ ++ Leaves acute, elliptic- or rhombic-ovate; petioles short or none. 
= Base of corolla-tube expanded over the rounded summit of the achene. 
9. Z. MEGACEPHALA, Sch. Bip. Leaves rhombic-ovate, serrulate 
above the middle, narrowed into an entire cuneate petiole, acute at the 
apex: corymb many-headed : heads the size of a filbert.— Flora, 1861, 
Pp. 562. Ferdinaunda augusta, var. megacephala, Sch. Bip. fide ipsi 1. c. 
563, — Near Real del Monte, Khrenberg, acc. to Sch. Bip. The above 
brief compiled character comprises all distinctions as yet published of this 
plant. Dr. Gray referred to the species a specimen collected by Dr. 
Palmer in the Sierra Madre, south of Saltillo, Coahuila, no. 734. It has 
an erect subsimple leafy puberulent stem, ovate acute thinnish leaves, 7 to 
10 cm. long, 4 to 8 em, broad, canescent beneath, serrulate except near 
the base where cuneately narrowed to very short scarcely winged petioles 
(4 to 7 mm. in length): heads in an irregular corymb; involucral scales 
harrow, oblong, obtusish, canescent-puberulent : ligules about 9, 8 mm. 
long. Mr. Pringle has also secured specimens of the same plant near 
Carneros Pass, Coahuila, altitude 3,000 m., no. 2398 (distrib. as Z. 
oo 
10. Z. Counter, Hemsl. Stems puberulent, sairnles leafy, simple | 
to the sober corymb: leaves ovate, serrate, pubescent above, to- 
mentose beneath, rounded at the base, slightly acuminate at the insertion 
of the short petiole: involucral scales ovate-oblong, soft-pubescent. — 
Biol. Cent.-Am. Bot. ii, 159, t. 46. — Real del Monte, Coulter, no. 350; 
also collected by C. G. Pringle on the Sierra de Pachuca, Hidalgo, alti- 
tude 2,700 m.,°18 gonk 1898, no. 6956. Type number in herb. 
Gray. 
= = Base of corolla-tube not gees: — achene — at the 
11. Z. Restvosa, Wilson. pages pubescent: leaves rhombic- — 
ovate, very large, 1.4 to 2.6 dm. long, 8 to 14 em. broad, dentate, green 
On both sides, bearing minute resinous globules beneath: heads short- 
peduncled in a loose irregular corymb; involucral scales numerous, the - 
outer ovate-lanceolate, acutish, tomentose, the inner broader, rounded at 
the summit, striate, — Pros. Am. Acad. xxv. Spe Colions of 
