ROBINSUN AND GREENMAN, — GENUS VERBESINA. 55T 
c. Lower surface of the leaves sordid-pubescent on the veins beneath: involucre 
saucer- eas or at length reflexed by the enlargement of the globose head : 
W. India 
78. V. LEPROSA, Leopoldina, xx. 93.— Morne Rouge, Mar- 
tinique, Hahn, no. 12 
d. Lower surface of the leaves tawny-tomentose: involucre as in the preceding: 
wings of the achenes variable in the same head and often very unequal and 
adnate to the pappus-awn in manner of Otopappus: Mexican. 
79. V. oxrvacea, Klatt, Lo. 93. V. oaxacana, Klatt, 1. ¢. xxiii. 
144, not DC. Otopappus olivaceus, and O. oaxacanus, Klatt, Ann. 
Naturh. Hofmus. Wien, ix. 862.—§. Mexico, Hacienda de la Laguna, 
Schiede, no. 340; ; Mirador, at Consaquitla, Liebmann, no. 540 (V. lep- 
rosa, Klatt, Leopoldina, xxiii. 143, not ]. ¢. xx. 93; also the undescribed 
V. Sartorii, Sch. Bip. acc. to Klatt, 1. c. xxiii. 143), and at Trapiche de 
la Concepcion, Liebmann, no. 543 (by clerical error cited as no. 614 by 
Klatt, 1. ¢ 
++ ++ Heads somewhat smaller, in fruit 7 to 9 mm. in diameter. 
== Tips of the pales recurved. 
80. V. Seemann, Sch. Bip. in Seem. Bot. Herald, 306; Hemsl. 
lc. 190.——.N. W. Mexico, Sierra Madre, Seemann, no. 2027 (with well 
developed pappus); S. W. Chihuahua, Palmer, no. 324 (with pappus 
reduced), 
= Tips of the pales straight. 
4. Heads 14 to 25 in a rather small corymb often surpassed by the leaves: cortex of 
the branches gray, soon glabrate: pedicels tomentose with spreading hairs 
81. V. assconprra, Klatt, Leopoldina, xx. 93. — Mexico, without 
locality, Ehrenberg, no. 837. Although characterized as being an herb 
and as having 5-piloso-costate achenes, this species proves (from a detailed 
drawing by Klatt) to be the plant formerly described by us as V. Smithii, 
roc. Am. Acad. xxxii. 46, and its range may be more definitely given 
as follows: Jaycatlan, Oaxaca, altitude 1,300 m., LZ. C. Smith, no. 132; 
limestone ledges, near Tehuacan, Puebla, Prbigti. no. 7497. 
6. Branches not lanate: heads very numerous in broad einige pedicels silky- 
canescent with subappressed hai 
82. V, perymentorpes, Sch. Bip. ia a l. ec. xxiii. 145.—S. 
Mexico, Yavesia, Liebmann, no. 830; Oaxaca, C. & EF. Seler, no. 33, 
we no. 4804; L. C. Smith, nos. 216, 295, 898 (smoothish form) ; 
- Nelson, no. 1507. 
