200 CALIFORNIA ACADEMY OF SCIENCES. 



Atriplex julacea Watson. — Alkaline flats, San Gregorio; 

 Socorro. 



Atriplex microcarpa (Benth.) — San Jose de Gracia. 



Atriplex Barclayana (Benth.) — Magdalena Island. 



Atriplex Oalifornica Moq.— El Eosario. 



Atriplex linearis "Watson. — San Jorge. 



Atriplex canescens (Pursh.) — San Gregorio. 



Atriplex Magdalene. Perennial, dioecious (?) herbace- 

 ous, white-furfuraceous, yjrostrate, with branches 1-2 feet 

 long: leaves thin, all alternate, obovate, apiculate, entire, 

 1-nerved, 10-20 mm. long, tapering into a short petiole: 

 6 flowers not seen: $ flowers sessile in clusters, in the up- 

 per leafy axils : fruiting bracts rhomboid, somewhat com- 

 pressed, nearly 4 mm. long, the tips herbaceous, spreading, 

 edges below the lateral angles not margined or toothed, 

 sides not appendiculate: styles nearly equaling the bracts: 

 seed flattened, about 1 mm. long; radicle nearly superior. — 

 Magdalena Island. 



Atriplex lurida. Monoecious, woody at base, 1-2 feet 

 high, with numerous very slender, reddish branches: leaves 

 sparingly white scurfy, usually opposite or sub-opposite, 

 oval to lanceolate, acute, sharply denticulate or the upper 

 entire, 15-20 mm., tapering into a petiole ^-| as long: 

 $ flowers in globose clusters on short, axillary spikes either 

 on different branches or above and sometimes mixed with 

 the $ ; calyx deeply 5-parted, 2 mm. broad: ? flower clus- 

 ters somewhat scattered in naked panicles, fruiting bracts 

 shortly pedicellate, triangular, rounded above, 2-3 mm. 

 long, very unequal in width, usually much exceeding the 

 length, the upper half margined by a double row of herba- 

 ceous teeth; sides 3-nerved, somewhat muricate: styles a 

 little exserted: seed brown, J mm. long; radicle nearly 

 superior. — San Gregorio. 



