396 PRACTICAL BOTANY. 



cross-section of a capsule, somewhat magnified ; 45, tlie 

 pistil with the sessile anthers adnate to the short stigma, 

 much magnified. 



6, Phytolacca decandra, a flower ; 5^, a berry ; 5&, 

 cross-section of a berry, all of natural size. 



6, Chenopodium ambrosioides, the summit of the plant 

 in flower, natural size ; Q>a, a flower magnified. 



7, Salicornia herbacea, part of the plant in flower, na- 

 tural size ; la, the three upper joints of a flowering 

 branchlet magnified. 



8, Blitum capitatum, a flower, magnified. 



9, Salsola Kali, the calyx in fruit, with its horizontal 

 wing, magnified. 



10, Polygonum Pennsylvanicum, part of the plant in 

 flower, of natural size ; 10(X, a flower laid open, magni- 

 fied. 



11, Polygonum dumetorum, part of the climbing stem, 

 in flower, natural size. 



12, Amarantus retroflexus, the summit of a small speci- 

 men, natural size ; 12^, a pj'xis of this plant, opening 

 transversely, magnified. 



13, Benzoin melissgefolium, a flower-cluster, subtended 

 by an involucre of 4 scales, natural size. 



14, Dirca palustris, a branchlet in flower, natural size. 



15, Comandra umbellata, flowers of the natural size ; 

 15fl^, one of them magnified ; 155, one of the flowers 

 displayed, more magnified. 



16, Callitriche verna, the whole plant a small speci- 

 men ; 16(^5 a staminate flower ; 165, a pistillate flower, 

 both magnified. 



PLATE XII. 



1, Podostcmon ccratophyllum, part of the plant in 

 flower, natural size. 



