.) 150 
. POLYGONACE®. 
a foot or more high, with the primary and secondary branches ver- 
ticillate; the branchlets are bi-trichotomous, and the ultimate divi- 
sions or peduncles somewhat secund. Involucre scarcely half a 
- jine in length, 5—6-flowered, and only 4-toothed. The flowers 
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net 
- -E. Abertianum, x. sp. Annual? Ganestenity tomentose; stem 
dichotomous above; leaves oblong-lanceolate, attenuated to a petiole 
at the base; involucres solitary, somewhat racemose on the branches, 
pedunculate, many flowered, campanulate, deeply 5—8-parted ; 
exttrior sepals nearly orbicular, deeply cordate at the base; inner 
sepals narrow, carinate below, contracted above, somewhat dilated 
and emarginate at the summit; stamens much shorter than the se-. 
Very common in the region between the Del Norte and the 
Also found by Lieutenant Abert on the upper waters of the 
s, I received 
ow the middle, and closely embrace the pistil 
-h correspond with the keels of the sepals. 
et spetimens of several other Eriogona occur in the 
- SAURURACEE.- 
opsis Californica, Nutt. / Jao. a 
Valley of the Gila. | 
