229 PITTONIA. 
A. LIMONIIFOLIUS. Near the last, equally slender and — 
with a similar corymbose-panicled inflorescence, but the 
stem much more equably leafy, the lowest leaves broadly 
oblanceolate, obtuse, entire, the blade scarcely 2 inches long, 
the petiole much longer and strongly hirsute-ciliate, those 
of the middle and upper portions of the stem successively 
oblanceolate and spatulate-lanceolate, mucronately acute, all 
the foliage pale green or glaucescent, indistinctly veined, 
perfectly entire, glabrous except the rather sharply ciliolate- 
scabrous margins: peduncles of the small heads appressed- 
pubescent: involucres small, campanulate, their bracts 
imbricated in about 3 notably unequal series, only the short 
outer series herbaceous, the others with herbaceous tips, all 
acute and distinctly ciliolate all around: rays 30 or more, 
rather narrow and short, flesh-color. 
Habitat of the last, and collected at the same time. 
A. LIMOSUS. Stems very erect from a horizontal root- 
stock, green and glabrous at base, otherwise marked with 
pubescent lines, especially the branching portion, commonly 
a yard high, leafy throughout and paniculate above the 
middle: lower leaves with linear-lanceolate serrate blade 
and a narrowed petiolar base, the whole 4 to 7 inches long, 
the upper linear and sessile, serrate or entire, all glabrous 
on both faces but the margin serrulate-scabrous: heads in a 
rather narrow and strict more or less corymbose panicle: 
involucres campanulate, about 4 lines high, their bracts in 
2 or 3 subequal series, all linear or spatulate-linear, the 
outer often wholly herbaceous, acute, scarcely ciliate, though 
with some minute ascending hairs along the margin: rays 
about 30, rather narrow, rather pale violet. 
Collected only by the writer, near Palisade, Nevada, 24 
Aug., 1896. It is an inhabitant wet reedy margins of 
