320 PITTONIA. 
beneath, pale-green and thinly tomentellous above: seapi- 
form peduncles 6 inches high, bearing a single large sessile 
involuere and a pair of long-peduncled ones arising from 
its base, these opposite each other and curving upwards to 
the length of 14 to 2 inches: involucres turbinate, nearly $ 
inch high, silky-tomentose: perianths yellow, very sparsely 
silky-villous: stamens long-exserted. 
On hillsides about Pagosa Springs, Colorado, 17 July, 
1899. C. F. Baker. 
"ERIOGONUM ANSERINUM. Near E. dichotomum and with 
quite similar white-tomentose foliage with slender twisted 
petioles; mode of growth the same, the inflorescence very 
different, being narrow and fastigiate, the involucres nar- 
row and few-flowered: perianths greenish-yellow, smaller 
than E. dichotomum, not as:broad at base, the outer seg- 
ments retuse. 
On hills about Goose Lake, Modoc Co., California, 27 
June, 1895, Mrs. R. M. Austin. 
