EXOGENOUS OR DICOTYLEDONOUS PLANTS. 



459 



strong fibres. The singular structure of the blossom may be learned 

 from Fig. 541 —545, and the subjoined illustrations. 



1069 



1078 



1079 



1074 



1075 



1080 



1077 



888. Ord. JasminaceSB {Jessamine Family) consists of a few chiefly 

 Asiatic shrubs, with compound leaves and fragrant flowers ; differ- 

 ing from Olcaceaj by the imbricated or twisted aestivation of the 

 hj'pocrateriform corolla, the erect seeds, &c. — Ex. Jasminum, the 

 Jessamine. Cultivated for ornament, and for their very fragrant 

 blossoms. — Menodora, or Bolivaria, has mostly simple leaves and 

 four ovules in each cell, but evidently pertains to this order. 



889. Orel. OlcaCCiC {Olive Faiyiily). Trees or shrubs, with oppo- 

 site leaves, either simple or pinnate. Calyx persistent. Corolla 



FIG. 1069. Flower-bud of the common Milkweed (Asclepias Cornuti). 1070 Expanded 

 flower ; the calyx and corolla reflexed ; showing the stamineal crown. 1072. One of the hood- 

 ed appendages of the latter removed and seen sidewise, with its included process or horn. 

 1073. A vertical section of a flower (the hooded appendages removed) through the tube of sta- 

 mens, the thick stigma, ovaries, &c. 1074. Flower with the calyx, and the fertilized enlarging 

 ovaries, crowned with the large stigma common to the two, from the angles of the peltate sum- 

 mit of which the pairs of pollen-masses, detached from the anther cells, hang by their stalks or 

 caudicle from a gland. 1075 Fruit (follicle) of the Common Milkweed. 1076. Cross-section 

 of the last, in an early state. 1077. Detached placenta in fruit, covered with seeds. 1078. 

 Seed (cut across), with its coma 1079 Section of the seed, parallel with the cotyledons. 

 1080. Vertical section of the seed perpendicular to the face of the cot^leJoas. 



