AMARANTACE.E. (AMAKANTH FAMILY.) 379 



sterile filaments interposed : anthers 1 - 2-celled, introrse. Ovary single, 

 ovate, compressed, 1 - many-ovuled. Stigmas 1-3. Utricle closed or 

 circumscissile. Embryo coiled into a ring around the central albumen. 



Synopsis. 



TRIBE T. CELOSIE^E. Anthers 2-celled. Ovary many-ovuled. 



1. CELOSIA. Stamens united at the base. Utricle circumscissile. 



TRIBE II. ACHYK A \TIIK.K. Anthers 2-celled. Ovary 1-ovuled. Leaves alter- 

 nate. Stamens free. Sterile filaments none. 



* Utricle circumscissile. 



2. AMARANTUS. Flowers monoecious. Sepals 3 -5. 



* * Utricle indehiscent. 



3. EUXOLUS. Flowers all alike, monoecious, sessile. Sepals 3-5. 



4. AMBLOGYNA. Flowers monoecious. Calyx of the staminate flower 3-sepalous, of the 



pistillate flower 5-parted, funnel-shaped. 



5. SCLEROPUS. Flowers monoecious. Sepals 5. Stamens 3. Fruiting pedicels indurated 



and deciduous with the fruit. 



6 ACNIDA. Flowers dioecious. Sepals of the staminate flower 5, of the pistillate none. 

 Stamens 5. 



TRIBE III. GOMPHRENE.9E. Anthers 1-celled. Ovary 1-ovuled. Leaves opposite. 

 Stamens united below. 



7. IRESINE. Calyx 5-sepalous. Stamens united into a short cup. Sterile filaments none. 



8. ALTERNANTHERA. Calyx 5-sepalous. Stamens united into a cup. Sterile filaments 



minute, tooth-like. I 



9. TELANTHERA. Calyx 5-sepalous. Stamens united into a tube. Sterile filaments cleft 



or ntnbriate at the apex. 



10. FR(ELICIIIA. Calyx 5-cleft. Stamens wholly united. Anthers sessile. Sterile fila- 

 ments entire. 



1. CELOSIA, L. 



Flowers perfect, 3-bracted. Sepals 5. Stamens 5, united at the base into 

 a cup. Sterile filaments none. Anthers 2-celled. Style short or elongated. 

 Stigmas 2-3, recurved. Utricle many-seeded, circumscissile. Smooth herbs 

 or shrubs, with alternate petioled leaves, and glossy flowers, crowded in axillary 

 and terminal spikes or panicles. 



1. C. paniculata, L. Stem shrubby, erect; leaves deltoid-ovate, acute, 

 abruptly petioled ; spikes cylindrical, simple or branched, mostly shorter than 

 the leaves ; sepals oblong, rigid, several times longer than the bracts ; stigmas 

 3 ; utricle many-seeded. South Florida, Dr. Bladgett. Leaves 2' long. Seeds 

 minute, lenticular, shining. 



2. AMARANTHS, Tourn. AMARANTH. 



Flowers polygamo-monrccious, 3-bracted. Sepals 5, rarely 3, smooth, erect. 

 Stamens 5 or 3, free. Sterile filaments none : anthers oblong, 2-celled. Style 

 none: stigmas 2-3, slender, spreading. Utricle 1 -seeded, ovate, 2-3-toothed 

 at the apex, circumscissile, commonly included in the calyx ; pericarp mostly 

 membranaceous. Radicle inferior. Unsightly annual herbs, with erect or dif 



