OP ARTS AiND SCIENCES. 455 



Atlantic and Pacific Railroad, near the San Francisco Mountains ; 

 Marcus E. Joues, August, 1884. 



Euphorbia lineata. Of the £. hypericifolia group, perennial, 

 the herbaceous stems from a subten-anean branching rhizome, slender, 

 ascending, several times branched, pubescent, a foot high : leaves obo- 

 vate or oblong-ovate, oblique, obtuse or acutish, rounded at base or the 

 lower cuneate, pellucid between the fine reticulations, entire or spar- 

 ingly serrulate, 6 to 9 lines long : cymes a terminal pair, usually 

 shortly pedunculate, loose : involucres pubescent, turbinate, }^ line 

 long ; lobes lacerate ; glands 4, stipitate, with a small oblong white 

 appendage : capsule pubescent, acutely lobed, ^ line long : seed quad- 

 rangular-ovate, obscurely rugose or subtuberculate. — On the grassy 

 borders of warm springs near Chihuahua; C. G. Pringle (n. 187), 

 April, 1885. Near E. pycnanthema, which is glaucous, with acute 

 leaves, moi-e conspicuous appendages to the involucre, larger glabrous 

 capsules, and an oblong rugose seed. 



Stillingia bicarpellaris. Shrubby, 3 or 4 feet high, glabrous, 

 with slender light-colored stems and branches : leaves alternate, linear- 

 lanceolate, somewhat falcate, acute, cuneate at base upon a very short 

 petiole, glandular-denticulate, 1 to 2^ inches long : spikes terminal, 

 sessile, short, with several sessile pistillate flowers at base, frequently 

 reduced to a single pistillate flower ; bracts broadly ovate, glandulif- 

 erous : staminate calyx campanulate, crenately toothed ; stamens 2 ; 

 pistillate calyx of 2 broad ovate sepals : stigmas 2, thick, linear, spread- 

 ing : capsule broadly ovate, acute, the 2 cocci separating from a stout 

 2-horned gynophore without columella, 4 lines long : seed subglobose, 

 with or without a very small strophiole. — In the Jimulco Mountains, 

 Coahuila ; C. G. Pringle (n. 128), May, 1885. In some respects very 

 similar to Sebastiania (?) bilocularis, but differing in habit, ihe glandu- 

 liferous bracts, calyx, gynophore, etc. 



Calochortus Lyoni. Near C. nitidus ; stems branching and 

 somewhat flexuous, 1 or 2 feet high, bearing several leaves and 2 to 4 

 or more solitary flowers : sepals naked, acute ; petals lilac or purplish, 

 with a darker purple sparingly brown-villous spot at base surrounding 

 the short-oblong hairy gland, 12 to 20 lines long : anthers oblong-ellip- 

 tical, obtuse, 1^ to 2 lines long: capsule narrowly elliptical, obtuse, 

 3-winged, nearly an inch long. — Los Angeles County, California; col- 

 lected on hills near Los Angeles by W. S. Lyon and Dr. Gray, and at 

 Newhall by Dr. Gray, in 1885. 



