A DECADE OF NEW GUTIERREZIAS. 57 
G. LEPIDOTA. Loosely tufted on'a woody base, the leafy 
and floriferous stems 14 feet high, smooth and glabrous, the 
rather large heads loosely cymose-panicled: lower leaves 
narrowly oblanceolate, obtuse, the upper successively nar- 
rower and those under the panicle linear, all ascending, only 
their margins scabrous, the surface marked with large dots 
each bordered with a hyaline scale, otherwise glabrous: the 
very distinctly turbinate involucres about 3 lines high, their 
bracts in about 4 series, all with thick blunt green tips: 
flowers of ray and disk each 6 or 7, light-yellow: pales of 
the pappus all lanceolate, acute. : 
Plains about Grand Junction, Colorado, 27 Aug., 1899, 
collected by the writer. Species very distinct by its scurfy 
indument and large turbinate involucres; as also by the 
character of its leaf-outline. 
G. SEROTINA. Low slender rather diffusely panicled stems 
tufted on a short erect ligneous base, the whole less than a 
foot high : the slender angular branchlets and very narrow 
linear spreading foliage dark green, only very sparingly 
scaberulous, the leaves somewhat punctate: the numerous 
heads mostly solitary at the ends of short filiform branch- 
lets: involucres barely 14 lines high, roundish and subcam- 
panulate, the few bracts broad and obtuse, not very notably 
green-tipped : flowers of the ray about 5, of the disk almost 
twice as many: pale: of the pappus oblong and obtuse in 
the ray, oblong-lanceolate and either obtuse or acute in the 
disk. 
Plains about Tucson in southern Arizona, beginning to 
flower late in autumn and continuing througb the winter; 
excellent specimens in fruit, and with some heads still in 
the flowering state, were collected by Prof. Toumey, 3 March, 
1892, and distributed for G. spharocephala; a species which 
has, like this, a lax inflorescence of nearly spherical heads. 
But that is an annual, while G. serotina is strictly suffru- 
tescent like most others. 
kl 
