CHENOPODIACE.E. (GOOSEFOOT FAMILY.) 677 



pericarp membranous or crustaceous. Seed horizontal or 

 vertical (often in the same species), testa membranous or 

 crustaceous. Embryo either more or less perfectly circular, 

 surrounding the copious albumen, or flatten ed-spiral, or 

 conical-spiral with no albumen ; cotyledons narrow ; radicle 

 near the hilum. 



Suborder I. CYCL.OL,OBE JE. 



Embryo circular or horseshoe-shaped, surrounding the 

 copious albumen. 



Tribe I. CHENOPODIEiE. Flowers perfect. Sepals alike. Testa crustaceous- 

 Stems not jointed. 



1. CHENOPODIUM. Perigonium 5-fid or -parted, unchanged in fruit, free. Stamens 5. 



2. BETA. (D If Perigonium 5-fid, urceolate, base somewhat adherent to fruit, and at 



length indurated. Stamens 5. 



3. BLITUM. 71 Perigonium 3-5-fid or -parted, (in ours) becoming berry-like in fruit. 



Stamen (in ours) 1. 



Tribe II. ATRIPUCE^. Flowers moncecious or dioecious, sometimes poly- 

 gamous, the staminate perigonium 4-5-parted, the pistillate 2-3-dentate, or replaced by 9 

 bracts. Testa crustaceous or coriaceous. Stems not jointed. 



4. SPINACIA. Pistillate perigonium globular, y-3-dentate, enclosing ovary. 



5. ATFJPLEX. 1|! 5 Fistillate perigonium 0, replaced by 2, appressedjfoliaceous, more 



or less connate bracts. 



Tribe III. CAMPHOROSMEiE. Flowers perfect or polygamous, similar in 

 form. Testa membranous. Stem not jointed. 



6. CAMPIIOROSMA. ^ Perigonium tubular, 4-toothed, Stamens 4. 



7. PANDERIA. Perigonium urn-shaped, 5-toothed, fruiting teeth conni vent, appendaged' 



Stamens 5. 



8. CIIE]SrOLEA. ^ Perigonium urn-shaped, 5-toothed, fruiting teeth not hardened or ap 



pendaged. Stamens 5. 



9. KOCHIA. Q Perigonium urn-shaped, 5 toothed, fruiting teeth connivent in a disks 



nearly always appendaged. Stamens 5. 



Tribe IV- SALICORNE^. Flowers perfect, 3-2 together, spiked-catkined, ses- 

 sile, more or less immersed in axillary cups subtended by bracts. Perigonium 3-4-toothed or 

 -parted nearly to base, teeth connivent and contiguous, forming a sort of utricle, which at 

 length becomes spongy, and has a shield-like ape.x. Testa membranous. Stems usually 

 jointed. Leaves opposite, enclosing the joints by a sort of sheath, destitute of lamina, and 

 connate in a short, bilobed cup, or scattered, separate, rudimentary or developed. 



10. IIALOPEPLIS, Flowers immersed in a floral cup, adnate to it, more or less con- 

 nate. Albumen abundant. 



11. IIALOC^S^EMUM, ^ Flowers not connate. Seed albuminous. 



J 2. ARTHEOCNEMUM, ^ Flowers superficially implanted in floral cup, not connate oi" 

 scarcely so. Albumen 0. 



13. SALICORNIA. ^ Flowers deeply inmersed in floral cup, adnate to it, connate. 

 Albumen 0. 



Suborder 11. SPIROI.OBEJE. 

 Embryo spiral. Mbumen meagre, biparted, or 0. 



Tribe V. SU.3EI>E-^. Flowers perfect or polygamous, bracteoled. Fruit a utricle. 

 Seed horizontal or vertical, the testa usually double, crustaceous and membranous. Embryo 

 flat-spiral. Albumen 0, or forming two lateral masses separate from embryo. Stems not 

 jointed. 



14. SUiEDA. ^ Utricle included in perigonium, but free from it. 



15. SCIIANGINIA. Utricle adnate to perigonium. 



