430 AMARAKTACEiE. (^AMARANTH FAMILY.) 



broad bracts and densely silky-villuus at base. — Dry banks, Ohio to Kau.,and : 



far southward. Sept. 



4. FRCELICHIA, Moench. 



Flowers perfect, 3-bracted. Calyx tubular, .5-cleft at the summit, below 2-5- 

 crested lengthwise, or tubercled and indurated in fruit, enclosing the iudehis- 

 cent thin utricle. Filaments united into a tube, bearing 5 oblong 1-celled 

 anthers, and as many sterile strap-shaped appendages. — Hairy or woolly herbs, 

 with opposite sessile leaves, and spiked scarious-bracted flowers. (Named for 

 ./. A. Froelich, a German botanist of the last century.) 



1. F. Floridana, Moquin. Koot annual; stem leafless above (1-3° 

 high) ; leaves lanceolate, silky-downy beneath; spikelets crowded into an in- 

 terrupted spike ; calyx very woolly, becoming broadly winged, the wings ir- 

 regularlv toutlied. — Dry sandy places, S. Minn, to 111., Col., Tex., and Fla. 



2. F. gracilis, Moq. More slender, with narrow leaves, the spikelets 

 smaller, and the crests of the matured calyx of nearly distinct rigid processes. 

 — Col. to Tex., and is reported from Kansas. 



Order 87. CHENOPODIACE^3E. (Goosefoot Family.) 



Cluejij herbs, of homely aspect, more or less succulent, icith mostly alter- 

 nate leaves and no stipules nor scarlous bracts, minute (jreenish Jlowers, with 

 the free calyx imbricated in the bud , the stamens as many as its lobes, or 

 occasionally fewer, and inserted opposite them or on their base; the 1-celled 

 ovary becoming a 1-seeded thin utricle or rarely an achene. Embryo coiled 

 into a rimj around the mealy cdbumen, when there is any, or else condupli- 

 cate, or spiral. — Calyx persistent, mosth- enclosing the fruit. Styles or 

 sti2;mas 2, rarely 3-5. (Mostly inert or innocent, weedy plants ; several 

 are pot-herbs, such as Spinach and Beet.) 



« Enibrvo coiled into a ling about usually copious central albumen. Leaves flat, not spiny. 



Stem not jointed. 



1- Flowers perfect (or stamens only occasionally wanting), clustered or panicled ; calyx 



obvious, persistent. Seed-coa crustaceous. 



1. Cycloloma. Calyx 5-cleft, in fruit surrounded by a horizontal continuous membraua- 



ceous wing. Seed horizontal, crustaceous. Leaves sinuate-toothed. 



2. Kocliia. Like u. 1, but wing 5-lobed and seed-coat membranaceous. Leaves entire. 



3. Chenopodium. Calyx 3-5-parted, unchanged or becoming fleshy in fruit. 



4. Koubieva. Calyx 3-5-toothed, becoming saccate. Leaves ])innatifid. 

 1- ^- Flowers monoecious or dioecious ; the staminate in clusters, mostly spiked ; the pistil- 

 late without calyx, enclosed between a pair of appressed axillary bracts 



5. A triplex. Fruiting bracts with margins often dilated and sides often nuiricatb 

 ^ ^ ^- Flowers perfect, naked or 1-sepaled, solitary in the axils of the reduced upper leavft<»: 



6. Corispermum. Pericarp oval, flattened, adherent to the vertical seed. Leaves linear. 

 * * Embryo narrowly horseshoe-shaped or conduplicate no albumen. Stem fleshy, jointed ; 



leaves reduced to opposite fleshy scales or teeth. Flowers densely spiked, perfect. 



7. Salicornia. Flowers sunk in hollows of the axis of the fleshy spike. Calyx utricle-like. 



* ♦ * Embryo coiled into a spiral ; albumen mostly none. Leaves fleshy, alternate. 



8. Suieda. Embryo flat-spiral. Calj-x wingless. Leaves succulent. 



9. Salsola. Embryo conical-spiral. Cdyx in fruit horizontally winged. Leaves spineseent. 



