94 PROCEEDINGS : BOSTON SOCIETY NATURAL HISTORY. 
for the greater part of their length: pubescence of the peduncles 
sparing, mostly appressed; involucral scales ciliate but scarcely 
pubescent otherwise. — Heliomeris multiflora , var. hispida , Gray, 
1. c., in part, i. e., as to greener forms. — S. Utah at Beaver, Palmer, 
no. 245; New Mexico, Zuni Mts., Sitgreaves Exp., San Antonita, 
Bigelow in part; S. California at Sta. Monica, Hasse ; Sonora, Mexico, 
Wright , no. 1222 in part. 
* * Heads small or medium-sized ; involucral scales linear and acute or the 
inner narrowly oblong and obtusish : leaves ovate or ovate-lanceolate: 
perennials so far as the duration is known. 
-t- Heads small and numerous, corymbose at the ends of the branches : leaves 
petioled (shortly so in var. abbreviata ). 
•*-+■ Leaves distinctly serrate. 
= Pappus none : Mexico to Venezuela. 
11. G. patens, Gray. Smoothish : stems flexuous, reclining, 
becoming 5 m. in length, at length soft-woody at the base, striate- 
angulate, sparingly and minutely appressed-pubescent; leaves ovate, 
acuminate, serrate, thin, obliquely truncate at the base, finely pubes¬ 
cent, more or less scabrous above; petioles slender, 1 to 3.2 cm. 
long; peduncles slender, finely appressed-pubescent;. involucre 
cylindric, 5 mm. in diameter; outer scales lanceolate acute or 
attenuate, the inner longer, oblong, striate, obtusish: ligules 6 to 
10, 1 cm. long, yellow turning whitish during or after drying; disk- 
flowers, 30 to 35. — Proc. Amer. acad., 5, 182; Hemsl., Biol. Cent.- 
Amer. Bot., 2, 163. ? Wedelia cor data , Hook, and Arm, Bot. 
Beech., 435. Microcephalum ehrenbergianum , Sell. Bip., and 
Gymnolomia ehr entergiana, Klatt, Leopoldina, 23, 90. Montanoa 
tliomasii , Klatt, Abh. naturf. gesell. Halle, 15, 328.— State of 
San Luis Potosi, Palmer, no. 1099, Pringle , no. 3937; Orizaba, 
Schaffner, Botteri, no. 497, 810, Thomas ; Wartenberg in Hua- 
steca, Ervendberg, no. 95; Oaxaca, El Paridnetla, Conzcitti and 
Gonzalez, no. 906; Guatemala, von Tuerckheim, no. 287. 
var. abbreviata, Robinson and Greenman. Stems 1 to 2 m. 
long, sparingly appressed-pubescent: petioles very short, 4 to 6 mm. 
in length; leaves somewhat narrower and thicker than in the type : 
pappus none. — Proc. Amer. acad., 29, 387. — Jalisco at Tequila, 
Pringle, no. 4595 ; Guerrero, between Chilapa and Tixtla, altitude 
1,600 to 2,100 m., E. W. Nelson , no. 2164. 
var. guatemalensis. With copious spreading pubescence on 
the stem : pedicels 1 to 2.5 cm. long: pappus none. — Guatemala, 
