Celoaia AMARANTAGE^ 127 



Flowers in short spikes or capitate. Anthers 1-celled. 

 Flowers spicate. Perianth woolly, tube crested in 



fruit 7. FrcBlichia. 



Flowers capitate. Perianth unchanged in fruit. 

 Perianth not woolly. 



Staminodes present 8. Altemanthera, 



Staminodes wanting. Sea-shore plants 9. Philoxerus. 



Perianth woolly 10. Gomphrena. 



Flowers in clusters along the branches of a panicle. 



Female perianth woolly. Anthers 1-ceUed 11. Iresine. 



i. CELOSIA L. 



Herbs annual, sometimes shrubby. Leaves alternate. Flowers 

 hermaphrodite, in spikes, with persistent bracts and bracteoles 

 white or pink, shining. Perianth scarious, striate or ribbed. 

 Stamens 5, united below into a cup ; anthers 2-celled ; staminodes 



X i 



rig. 



I. — Celosia argentea L. 



A, Upper portion of plant. D, Ovary cut lengthwise. 



B, Flower with bract and one bracteole. ■ E, Fruit. 



C, Flower with portion of perianth ;^re- F, Seed cut lengthwise ; c, cotyledons ; 



moved. r, radicle ; e, endosperm. 



none. Ovary with 2 or more ovules. Utricle circumsciss, 

 sometimes thickened above, with 2 or more seeds. Seeds erect, 

 testa crustaceous. 



Species about 40, natives of the tropics. 



Leaves lanceolate to linear. Spikes compact, cylindrical... 1. C. argentea. 

 Leaves deltoid or oblong-ovate. Spikes lax 2. C. nitida. 



