20j! CALIFORNIA ACADEMY OF SCIENCES. 



Eriogonum eeniforme Torr. — Cajon de Santa Maria. 

 Eriogonum insigne Watson. — Cajon cle Santa Maria. 

 Eriogonum taxifolium Greene — Ubi. 



Eriogonum irretitum. Perennial, glaucous and nearly 

 glabrous, 1-2 feet liigli, woody at base and rough, with re- 

 mains of the clasping petioles; brandies numerous, slender, 

 drooping, often fascicled in the axils, divaricate and en- 

 tangled: leaves all near the base, ovate, acute, 15-20 mm. 

 long, tapering into petioles broadly dilated and clasping at 

 the base and 2-3 times their length; both leaves and peti- 

 oles sparingly hirsute and ciliate, the latter somewhat scab- 

 rous: bracts linear-acuminate, sparingly ciliate: involucres 

 glabrous, Ih mm. long, solitary, on slender peduncles 3-10 

 mm. long, in the axils or along the branchlets, clavate, cleft 

 half-way into 3-5 acuminate, somewhat pungent lobes, 3-5- 

 flowered; bractlets in a single series, ovate, hyaline, ciliate, 

 much shorter than the involucre: flowers red, as long as 

 the involucre, developed successively, exserted; segments 

 of the perianth obtuse, pubescent externally, the outer 

 thick, the inner dilated and petaloid on the margins: 

 stamens exserted; anthers oblong: ovary (immature) glab- 

 rous. — Agua Dulce. 



This is another of the intermediate species which lessens 

 the distance between Eriogonuiii and Oxytheca. 



Eriogonum, sp. — San Borgia. 



Eriogonum, sp. — Cardon Grande. 



Eriogonum, sp. — San Juanico. 



Eriogonum, sp. — Plains of San Julian. 



Chorizanthe rigida T. k G. — El Pozo Alernan. 



Chorizanthe corrugata T. & G. — Cajon de Santa Maria. 



Chorizanthe flava. Branching from near the base, 2-18 

 inches long, floccose-tomentose or glabrate; the short plants 



