OF ARTS AND SCIENCES. - 113 



18. A. Wrightii. Slender, erect, a foot liigh, simple or sparingly 

 branched, leafy below, glaucous-mealy ; leaves oblanceolate to linear, 

 ^1 inch long, 3-4 lines long upon the branches, acute or the lower 

 obtuse ; male flowers in naked terminal spikes ; fruiting bracts axillary, 

 a line long, broadly cuneate upon a short pedicel, acutely 5-toothed at 

 the rounded summit, the sides reticulated, with rarely 1-2 straight pro- 

 jections. — New Mexico (ITio Wright) and Arizona (Palmer). 



Obione elegans, var. (?) radiata. Torrey, Bot. Mex. Bound. 183, in part. 



§ 5. Fruiting bracts 1^ lines long or less, axillary, cuneate-orbic- 

 ular, subindurated, united at base, herbaceously margined above 

 and coarsely toothed, the sides doubly tooth-crested or naked : 

 leaves thin, oblong to lanceolate, an inch long or less : male clus- 

 ters subterminal or in slender naked spikes : grayish puberulent. 



19. A. Texana. Erect or ascending, h-l\ feet high, slender, 

 branched ; leaves oblanceolate, 1 inch long, acute, attenuate to a slen- 

 der petiole, sparingly dentate or entire ; male clusters subterminal ; 

 calyx 5-cleft; fruiting bracts 1\ lines long, broadly cuneate, the upper 

 portion margined with several nearly equal triangular subdenticulate 

 teeth, the sides reticulated and crested with a double row of acute teeth ; 

 styles elongated and exserted. — Western Texas. 



Obione elegans, var. tubercidata. Torrey, Bot. Mex. Bound. 183. 

 Collectors: — Wright; Schott; cult. hort. Camb. 



20. A. CouLTERi, Dietrich. "Fruticose" (?), erect, 1-2 feet high, 



slender, branched ; leaves lanceolate, 4-6 lines long, ^-1 line broad, 



attenuate at each end, acute and mucronate, subundulate, entire ; fruit 



sessile, a line long, with a narrow denticulate margin from near the base, 



the sides obsoletely nerved, not appendaged ; styles not exserted. — 



California ; collected only by Coulter. 



Obione Coulteri. Moquin, DC. Prodr. 132. 113. 

 Atriplex Coulteri. Dietrich, Syn. 5. 537. 



21. A. Barclataka, Dietrich. Slender, with long procumbent 

 branches ; leaves obovate, 8-12 lines long, 4-5 lines broad, obtuse, the 

 upper oblong and acutish, mucronulate, long-petioled, entire, subcori- 

 aceous; fruiting bracts seai'cely a line broad, sessile, unequally 8-10 

 toothed above, the terminal tooth largest, the sides naked or obsoletely 

 nerved or slightly doubly tooth-crested. — Known only from a speci- 

 men in the Hooker herbarium, collected by Hinds at Magdalena Bay. 



Obione Barclayana. Benth. Bot. Sulph. 48. Walpers, Ann. 1. 5G7. Moquin, 



DC. Prodr. \Z'K 112. 

 Atriplex Barclayana. Dietrich, Syn. 5. 537. 

 VOL. I. 15 



