150 POLYGONE.E. 



Yosemite, Bolauder, u. 4953, a less tomentose or even somewhat g'labrate 

 state ; banks of Putah Creek, Solano Co., Jepson, and very common 

 farther northward in the State. 



31. E. roseum, Dur. & Hilg-. Journ. Philad. Acad. iii. 45 (1854) & 

 Pac. R. Rep. v. 14. t. 15 (1855). Smaller, the leaves spatulate-ovate, 

 undulate, narrowed to a long petiole : peduncle with rather divergent 

 and stiff panicled branches : involucres remote, slightly widening 

 upwards, rather deeply 5-toothed : perianth rose-color, % line long ; 

 outer sepals obovate-oblong, not attenuate at base. — Of more southerly 

 distribution than the last, but common as far north as Mariposa and 

 Tulare counties. 



32. E. tlasyanthemum, T. & G. Proc. Am. Acad. viii. 177 (1870). 

 Usiially hoary-tomentose, sometimes nearly glabrate : leaves oval or 

 rounded, 5 — 10 lines long, abruptly narrowed to a slender petiole : 

 peduncle 1 ft. high, mostly rather loosely but widely branching, the 

 branches often more or less cymose-dichotomous : invohicres rather 

 remote, not always solitary, narrowly tubular (in the type), very shortly 

 toothed, tomentose except the prominent ribs, these glabrous : fl. 

 scarcely exserted, erect, not nu.merous, 1 line long, white or rose-color ; 

 more or less densely villous on the outside. Var. Jepsoiiii. Panicle 

 ample, as broad as high, the dichotomous branches widely spreading : 

 invohicres campanulate-tubular, very-many-flowered, the pedicels ex- 

 serted and recurved ; fl. rose-red. — The type, originally from near Clear 

 Lake, Lake Co., Torrey, is plentiful along Putah Creek in the valley of 

 the lower Sacramento, Jepson, Woohey; the variety, from Gate's Canon, 

 not far from Vacaville, is more showy and may perhaps be a distinct 

 species. Sept., Oct. 



== = Involucres 1 — IJ'g lines long, usually iurhinaie. 



33. E. viiiiiueum, Dougl. in Benth. Trans. Linn. Soc. xvii. 416 (1837); 

 DC. Prodr. xiv. 17. Seldom at all tomentose except on the lower face of 

 the ovate or orbicular slender-stalked leaves : peduncle 1 ft. high, 

 branched from near the base, the branches slender and virgate, or some- 

 times the whole inflorescence more spreading and repeatedly dichoto- 

 mous : involucres very narrow and rather prismatic, the teeth very 

 short : fl. few, rose-color or white, exserted ; outer sepals obovate, the 

 inner obovate-oblong and only half as broad. Var. caiiinniii. Invo- 

 lucres turbinate, many-flowered, disposed in divergent-branched dichoto- 

 mous cymes : fl. rose-red : outer sepals broadly obovate, the inner 

 spatulate-oblong. — Notliing quite like the type of this species of the far 

 northeastern interior is found in middle California. The common plant 

 of the interior of our State was named a var. eriocladon by Bentham. 

 Our var. caninuni, found only at Tiburon, on dry hills, is so very unlike 

 all else which has been called E. viiaineutn that it may take specific rank, 



