552 



BOTANY. 



A Peruvian tree, Leonid glycycarpa, produces edible pulpy fruits as 

 large as a peach. 



Order Cistaceee. Herbs and shrubs with actinomorphic flowers. 

 Species about sixty, mostly of temperate climates. 



A shrubby Cistus from the South of Europe is common in green- 

 houses. 



Some of our native species of Frostweed (Helianthemum) and Hud- 

 sonia are pretty. 



Order Resedacese. Herbs (a few shrubs) with alternate leaves, 

 mostly zygomorphic flowers, indefinite stamens, and seeds without 

 endosperm. Species twenty to twenty-five, confined to the Mediter- 

 ranean region and South Africa, with the exception of two or three spe- 



FIGS. 528-30. ILLUSTRATIONS o CBUCIPEB^E (WALLFLOWER). 



Fie. 528. 



FIG. 530. 



FIG. 529. 



Fig. 528. Flowpr diagram. Fig. 529. Section of Flower. Magnified. 



Fig. 530. Andrcecium. Magnified. 



cies which reach India, one of wbich (Oligomeris subulata) extends to 

 California. 



Reseda odorata is the well-known Mignonette, probably a native of 

 the Eastern Mediterranean region. 



The foliage of R. luteola, an annual of Europe called Dyers' Weed 

 or Weld, furnishes an important yellow dye. 



Order Capparidaceae. Htrbs, shrubs and trees with mostly alter- 

 nate leaves, actinomorphic flowers, mostly indefinite (never tetradyna- 

 mous) stamens, and seeds without endosperm. Species 300, mostly 

 tropical or sub-tropical. An acrid volatile principle prevails in the 

 order. 



Capparis vpinosa, a stiff prickly- branched shrub of the Mediterranean 

 region, is extensively cultivated in Europe for its unopened flower 

 buds, which preserved in vinegar constitute the condiment known as 

 Capers. 



ri'ome integrifolia, a native of the Western Mississippi Valley, and 



