ROBINSON. AND GREENMAN. — GENUS MONTANOA, 515 
gent. — Biol. Cent.-Am. Bot. ii. 165. Montagnea frutescens, Mairet in 
DC. Prodr. v.565. .Aldama Montanoa, Sch. Bip. in Koch, Wochenschr. 
vii. 406. — Mexico without locality, Mairet, Bates (1846); Valley of 
Mexico, Berlandier, no. 908, Bourgeau, nos. 592 (leaves sometimes 3- 
lobed), 966, Pringle, no. 7196; Michoacan, cool cafions near Patzcuaro, 
Rringle, nos, 4270, 5059. 
7 18*. M. arsorescens, Sch. Bip. 1. c. 406. From description very 
near the preceding and differing chiefly in the inflexed points of its fruit- 
—e pales. — Hemsl. 1. c. 164, only in part. MM. floribunda, Cerv. and 
Eriocoma arborescens, Alam. acc. to DC.1.¢. AMontagnea arborescens, 
DC. Prodr, v. 565. — Mexico without locality, Alaman, Mairet ; Cor- 
dillera Guchilaqua, Berlandier, no. 1006. 
= = Fruiting pales scarious-papery, rather abruptly contracted to a short 
more or less spreading point. 
a. Leaves green beneath: Mexican. 
ee AD: M. purpurascens. Sordid-tomentose shrub: leaves ovate- 
rhombic or sometimes hastate, caudate-acuminate, crenate-serrate, more 
coarsely so toward the base, scabrous above, green but tomentose and 
often somewhat scabrous beneath, cordate to subcuneate and commonly 
biauriculate at the insertion of the petiole, 4 to 12 cm. long, 2 to 8 cm. 
toad; petioles tomentose, 1 to 2 cm. long: heads rather numerous in an — 
open leafy-bracted corymb: rays 8 to 10, nearly 2 cm. long: fruiting 
pales turning purple, 1 cm. broad when flattened out. — M. grandiflora, 
Hemsl. 1. ¢, 165, as to pl. Hartweg. Montagnea grandiflora, Benth. FL 
Hartw. 19, not DC. — Aguas Calientes, Hartweg, no. 134; cafions and 
hills about Zacatecas, Pringle, nos. 2184, 3985, Rose, no. 3647; Guana- 
Juato, Guillemin-Tarayre, Dugés, no. 456; Faval, W. Schumann, no. Lio. 
Types in herb. Gray. 
b. Leaves canescent-tomentose beneath : South American. 
20. M. ovaxirorra, Sch. Bip. Shrub, 2 to 3 m. high, “subsean- 
dent,” tomentose : leaves deltoid-ovate, 6 to 8 cm. long, three fourths as 
broad, permanently tomentose upon both surfaces, white beneath, serrate, 
acuminate: heads on tomentose peduncles (1.5 to 4 em. long) few or 
More numerous and disposed in a regularly branched open.panicle: rays 
about 10, from 1.8 to 2 em. long: pales (still young) with a short sharp 
Straight or often incurved point. — Sch. Bip. in Koch, Wochenschr. vii. 
407, Montagnea ovalifolia, DC. 1. ¢. 566. ? Verbesina atriplicifolia, 
Juss. & Desf. in Colla, Hort. Rip. 144, t.31 (but ray depicted as stylif 
€rous), Montanoa atriplicifolia, Klatt, Leopoldina, xxiii. 90, at least 
