124 PROCEEDINGS OF THE AMERICAN ACADEMY 



Thysanocarpus erectus. Smooth and leafy : leaves oblong to 

 oWanceolate, au inch or two long, aui-icled at base, somewhat sinuate- 

 dentate : flowers purple or rose-colored : fruiting jiedicels erect : pod 

 minutely pubescent, the wing of the fruit (still immature) without 

 indication of nervation or perforation : style very short — Collected by 

 Dr. E. Palmer on tlie western side of Guadalupe Island. Distin- 

 guished especially by its erect pedicels. 



Frankenia Palmeri. a rather slender ditfuse shrub, a foot 

 high, with short straight divaricate branchlets : leaves numerous, fas- 

 cicled, a line or two long, thick and strongly revolute so as to be 

 nearly terete, canescent with a white papillose and furfuraceous en- 

 crustation : calyx a line and a half long : petals linear, a little exserted : 

 stamens four : style bifid : capsule 2-seeded. — Lower California, upon 

 the gulf side. Dr. E. Palmer. 



SiLENE Palmeri. Puberulent with short spreading hairs, glan- 

 dular above : stems a foot high, slender, from a branching base : leaves 

 oblanceohite, an inch long : flowers purplish, on slender pedicels, in an 

 open panicle : calyx four lines long ; teeth short : petals vei"y nai'row, 

 half an inch long ; blade 4-parted with linear entire or bifid lobes ; 

 appendages linear ; claw not auricled, and with the filaments veiy vil- 

 lous : styles and stamens much exserted : ca})sule oblong, exceeding the 

 calyx ; stipe scarcely a line long : seeds tubercular, not created. — In 

 the Cuyamaca Mountains, San Diego County ; Dr. Edward Palmer, 

 August, 1875. 



Calandrixia Breweri. Much resembling G. 3Ienziesii, from 

 which it is distinguished by its divaricately spreading or deflexed pedi- 

 cels ; by a longer conical blunt capsule, 4 to 5 lines long, and exceed- 

 ing the triangular-ovate sepals ; and by the rather smaller (half a line 

 broad) seeds, which are more strongly tuberculate, and not shining. — 

 C. Meaziesii, var. macrocarpa, Gray in Proc. Am. Acad. ^3. 102. 

 Collected by Professor W. H. Brewer, in the Santa Inez ^Mountains, 

 near Santa Barbara ; the only specimens are a foot tall or more, with 

 elongated racemes. 



LAVATiiKA occidentalis. A closc shrub, three or four feet 

 liigh, leafy at the ends of the short branches: leaves stellatt-piihcru- 

 lent, round-cordate, T-lobed to the middle, three to five inches broad, 

 on long petioles; lobes acutish, coarsely toothed: flowers axillary, 

 solitary, on short deHexed pedicels: calyx over au inch long, twice 

 longer than the involucre, cleft to the middle into broad foliaceous 

 lobes : jietals narrowly s{)atulate with a broad naked claw, emarginate, 

 two inches long, straw-colored witli violet stripes : fruit halt' an inch 



