226 PRACTICAL BOTANY. 



647. Perianth (3-cleft) becoming juicy, or berry-like and 

 red in fruit, enclosing the 1 -seeded fruit (utricle). Stamen 

 (usually) 1. Styles 2. Flowers in glomerules. 



Blitiim capitatum, L. 

 Perianth not becoming berry-like 048 



648. Flowers imbricated with (commonly 3) dry, scari- 

 ous, persistent bracts. Stamens and stigmas 3 (or 2). 

 Flovvers sometimes perfect, but usually monoecious. Leaves 

 entire 049 



Flowers destitute of scarious bracts. Stamen 1. 

 Ovary 2-styled. Perianth rather fleshy, but not becoming 

 berry-like ; its lobes 3 (2-4). Seed shining, with the margin 

 acute. Leaves triangular-lanceolate, sparingly and coarsely 

 toothed. Flowers all perfect. 



Blitum maritimmn, Nutt. 



640. Utricle opening by a circumscissilc line, 3- (or 2-) 

 beaked. Flowers greenish, in small, close, axillary glome- 

 rules. Sepals mucronate. Bracts pungently pointed. Stems 

 spreading. Leaves spatulate-oblong, very obtuse, long- 

 petioled. Herb pale green. Amarantus albus, L. (827). 

 Utricle indehiscent or tearing open. Herb either 

 smooth, livid-purplish, erect, or puberulent, ashy green, 

 ascending. Euxolus (827). 



650. Styles and ovaries 5-15. A shrubby plant with 

 clustered stems, 1-2 feet high, and pinnate leaves. Sepals 

 deciduous. Flowers polygamous, dull-purple, in compound 

 racemes. (270) Xanthorrhiza apiifolia, L'Her. 



Styles, or ovaries, 4-10. Herbs 051 



Styles, or ovaries, 1-3 054 



651. Stamens 8-10. Perianth of 5 sepals 052 



Stamens 4. Perianth of 4 segments, or sepals. 053 

 Styles 4. Ovary 1. Sepals lanceolate, acute. , . 092 



60S. Styles 5. Ovaries 5, united below, forming a 5-an- 

 gled, 5-horned and 5-celled pod, which opens by the falling 

 off of the beaks, many-seeded. Stamens 10. Flowers yel- 

 lowish-green, in loose spikes. Leaves scattered. 



(271) Penthorum sedoides, L. 

 Styles 10. Ovaries 10, green, united in a ring, in 



