. 162 PITTONIA. 
pying dry slopes or summits; forming the greater part of 
Gray's S. humilis, var. nana, but thoroughly distinct from 
that plant of the East Canadian coast and islands which is 
typical S. humilis, Pursh, now received under the more safe 
name of S. Purshii, Porter. Of S. decumbens the nearest rela- 
tive is S. ciliosa of Arizona, published at page 22 of this 
volume. 
. EvczPHaLUs CovinLEr Tufted stems more than a foot 
high, somewhat flexuous, racemose-cory mbose from near the 
middle,these and the lower face of the leaves sparingly 
tomentulose: leaves oblong-lanceolate, acute, entire: bracts 
of the narrowly campanulate involuere g lar-puberulent, 
well imbricated, herbaceous and scarcely carinate, lanceolate 
and oblong-lanceolate: rays few (5-7), long and narrow, 
deep violet. 
Near Crater Lake, Oregon ; collected in 1896 by Mr. Co- 
ville. 
EmiGERON Macounst. Low perennial, with a stout branch- 
ing caudex bearing many spatulate linear acute entire leaves, 
and stoutish ascending sparsely leafy monocephalous pedun- 
cles; the younger foliage canescently strigose, the older 
glabrate: heads large, hemispherical; bracts of the some- 
what hoary-tomentose involucre subequal, in 2 series: rays 
about 50, rather broad, purple. 
Sheep Mountain, Waterton Lake, Alberta, 28 July, 1895, 
Mr. John Macoun. A beautiful species, allied to £E. lanatus 
, and E. grandiflorus, but in foliage and pubescence quite dis- 
tinct from either. 
ERIGERON FRATERNUs. Stems several from a short branch- 
ing rootstock, erect from a slightly decumbent base, stoutish 
and striate-angled, a foot or two high, copiously leafy below, 
rather amply corymbose-panicled at summit; herbage green 
but very scabrous, the peduncles and upper part of stem 
more densely and finely scabrous-pubescent: leaves from 
