288 BOTANT. 



June-August. Certainly indigenous* and apparently not differing from the 

 European plant. Keported from the Saskatchewan, Colorado, and Indian 

 Territory. (974.) 



Chenopodium Botrys, L. Salt Lake Valley. Introduced. (975.) 



Blitum capitatum, L. From Western New York and Canada to the 

 Saskatchewan, Great Slave Lake, and Youkon Eiver, and southward in Col- 

 orado and New Mexico. East Humboldt Mountains, Nevada, and in the 

 Wahsatch and Uintas ; 5-7,000 feet altitude ; May-August. Growing in 

 shaded places ; 1-2° high. (976.) A reduced form was also collected with 

 the stems decumbent or nearly so, and the leaves entire, often not even has- 

 tate. (977.) 



Blitum polymokphum, 0. A. Meyer. {B. rubrum, Reich. DC. Prodr. 

 13. 2. 83.) Annual, smooth, with an erect or decumbent angled branching 

 stem, 1-1^° high; leaves deltoid, rhombic-oblong orhastately 3-lobed, acute 

 or obtusish, unequally sinuate-dentate or rarely entire, rather thick and some- 

 times reddish ; spikes simple or subcompound, leafy or leafless ; calyx closed 

 in fruit, ecarinate, herbaceous or subbaccate ; seed with an obtuse margin, 

 shining, purple ; terminal flowers with a 5-parted calyx, 5 stamens, and the 

 seed horizontal ; the remainder with the calyx 2-3-parted and 1-2 stamens. 

 Yar. m5T!iii-LF,,M.oq. {Chenopodium humile,llo6k^ Stem decumbent; leaves 

 entire, fleshy, the lower ovate-spatulate, the upper oblong or linear ; clus- 

 ters axillary and solitary. — j^greeing closely with the description of Hook- 

 er's plant from the marshes of the Saskatchewan, though somewhat larger. 

 Thousand Spring Valley, Nevada ; 6,000 feet altitude ; September. It has 

 been collected at Klamath Lake in Northern California, and Shoalwater Bay, 

 Washington Territory. (978.) 



MoNOLEPis ^ CHENOPODioiDES, Moq. DC. Prodr. 13. 2. 85. {Blitum 

 Nuttallianum, R. & S.) Glabrous, or somewhat glaucous and farinose ; 

 stems ascending or decumbent, 3-12' high, branched; leaves i-2' long, 

 attenuate into the petiole and hastate at base, the lobes acute and entire or 

 the middle one laciniate-toothed ; flowers in rather dense clusters in the 

 axils, often reddish, the sepals lance-elliptic, obtuse, sometimes abortive ; 



' MONOLEPIS, ScHRAD. Flowers polygamous, 'bractless. Calyx of a single scale-like sejial, per- 

 sistent, witliout appendages. Stamen 1, inserted upon the receptacle. Disk and staminodia none. 

 Styles 2, filiform, somewhat united at base, stigmatio on the inner surface. Utricle strongly comjiressed 

 naked, rather thick, suhadheront to the vertical flattened seed. Testa crustaceous, fragile. Emhryo an- 

 nular, surrounding the copious farinaceous albumen; radicle inferior, — Annual herhs, with alternate 

 petioled leaves and clustered axillary flowers. Moqtjin, in DC, Prodr. 



