81 



POLYGALACE^. 



Kramer iacanescens Gray, var, paucifolia Rose. Dr. Palmer says it isashrnb with 

 muiiy bnmches, whicli interlace, fonniug a dense riasa. The older wood is of a 

 copper color, and the flowers of a pliun color. The wood is said to yield a yel- 

 low dye. It imparts a cherry-red to water. It ia comtnonly called " Mezqui- 

 tilla." Santa Agueda, March 4-6. No. 252. 



TAMARISCINBiE. 



Pouquiera spinosa H. B. K. A thorny bnsh 5 to 10 feet high, according to soil, with 

 the trunk 1 to 3 feet long and 6 inches in diameter. The flowers are bright scar- 

 let, clustered at the ends of the branches. In tho old plant the bark breaks 

 away and gives off a gnrniiiy substance. The wood is hard and makes a very 

 good lire, and when burning gives off a pleasant odor. Santa Rosalia, March 

 l,^). No. 266. 



MALVACEiE. 



Sphceralcea albiflora Rose, n. sp. Two to 2i feet high ; slender, densely covered 

 with white stellate pubescence: leaves oval to ovate, 9 to 18 lines long, 

 the petiole souiewhat shorter, somewhat rngose, snbcordate base, crenare mar- 

 gin: flowers white, G lines broad, in short axillaryclnstered racemes: calyx 3 

 lines long, with slender ucutish lobes: carpel rt-nifbrni, a full line long, the 

 lower part strongly and finely reticulated, the upper and sterile pare very 

 small. — In a canon growing in shade, near Santa Rosalia, March 3. 



Thisplant nio.stly resembles N. «i(7j>/i«re«of Guadalupe Island in habit andcar- 

 pellary structure, but the pubescence lacks the tomentum, the calyx lobes not 

 8o broad ; the carpels, while similar, are easily separated ; the carpel is slender 

 and shorter, with Htrong<'r and fiiser reticulations and a shorter sterile part. In 

 habit resembling S. axillaris, but with very dift'erent carpels. No. 205. 



Spheeralcea violacea Rose, n. sp. Simple stems about 3 feet high, densely covered 

 with a stellate pubescence: leaves ovate to lanceolate acuminate, 2 to 2^ inches 

 long: calyx, 2^ lines loug, its lobes ovate, acute: petals, 5 lines long, lilac: car- 

 pels 1 to IJ lines long; the sterile part about half the length of the carpel, 

 obtuse.— Growing m shade at Santa Rosalia, March 15, and seemingly not 

 common. 



Resembling in habit some s])ecimen8 of S. Fendleri in the Gray Herbarium 

 but with very difterent carpehs. The carpels most resemble those of Xantns's 

 plant (No. 10) from La Paz, but the sterile part of the carpel not so large. No. 



206. 



Horsfordia Newberryi Gray. Four to 6 feet high : lower leaves (including petiole) 5 

 to 7 inches long : flowers golden-yellow. Gravelly arroyosand sandy hillsides, 

 ^aita Rosalia, February 14 to March 3. No. 169. 

 Abutilon Dugesii Watson? Proc. Am. Acad. XXI. 447. Santa Rosalia, March 15, 



No. 199. 



STERCULIACEiB. 



Ayenia microphylla Gray. Santa Rosalia, February 24 to March 3, No. 268. 



MALPIGHIACE.a!. 

 Hireea macroptera DC. "Gallinita." The roots of this plant are considered of 

 medicinal value. Santa Agueda, March 4 to 6. No. 251. 



ZYGOPHYLLACE.a!. 

 Pagonia Californica Benth. Stems terete ; the upper part of the stem closely set 

 with subsessile glands. Only a few i>lanta seen and mostly out of bloom and 

 dry. On stony ridges. Santa Rosalia, February 24 to March 3. No. 180. 



The same. In sandy spots in stony ravines. "Bloom, crimson-colored." 

 Santa Rosalia, February 24 to March 3. No. 196. 



