CATALOGUE. 235 



spatulate, tlie single nerve isimj)le or slightly pinnately branched, apex 

 round, entire, refuse or emarginate. Utricle circumcissile." — San Francisco 

 Mountains, Arizona. Not having access to specimens, I have quoted 

 the description of this and the preceding species mainly from Gray, /. c. 



Amarantus (Amblogyne) Palmeri, Watson (Proc. Amer. Acad, xii, p. 

 274). — Dioecious, erect, branching, smooth or nearly so; leaves oblong- 

 ovate or rhombic-ovate, somewhat shorter than the slender petioles, entire 

 or undulate, the upper ones sometimes linear-lanceolate; flowers in axillary 

 clusters or elongated leafy spikes; male flowers with sepals one-nerved, 

 acute, nearly equal, slightly exceeding the stamens ; anthers introrse, fixed 

 in a versatile way to the short filament; cells somewhat diverging below; 

 bracts membranaceous, oval, and with a long awn-like tip, exceeding the 

 calyx ; female flowers with sepals distinct or nearly so, membranaceous, 

 unequal — i. e., two larger and conspicuously tipped with an awn-like point, 

 the others oblong, obtuse, refuse, entire, or somewhat dentate-fimbriate ; 

 stigmas 2 or 3 ; bracts much longer than the flowers, terminating in a stout, 

 somewhat recurved, awn. — Camp Grant, Arizona (379). 



Amarantus Wrightii, Watson (Proc. Amer. Acad, xii, p. 275). — 

 Smooth or nearly so, erect, simple or branching; leaves lanceolate to 

 oblong, obtuse, 4-8" long, equalling the petioles ; leafy spikes compound, 

 short branchlets (of spike) zigzag, very slightly margined ; sepals of fertile 

 flower equal, obtuse, thickened, and somewhat gibbous at base, a little 

 exceeding the utricle; stigmas 3; seeds black or brown, orbicular; subu- 

 late bracts rigid. — Valley of the Upper Arkansas, Colorado (275). 



Amarantus retroflexus, L. — Twin Lakes, Colorado (274). 



Amarantus albus, L. — Arizona and Utah. 



CHENOPODIEtE. 



Sarcobatus vermiculatus, Torr. — " Chico," Utah; San Luis Valley, 

 Colorado, common (265, 26G). New Mexico (87, and by Loew 265). Male 

 flowers, Utah. 



Su^da diffusa, Watson (Suceda maritima, Watson, in King's Report 

 5, 294). — Growing 4 feet high, abundantly, on the banks of the Gila River 

 in Arizona (773) ; also from Nevada and Utah. 



