386 PHYSIOLOGY AT THE FARM. 



Passifloracece, Passion-flower order. Paropsea edulis is of 

 Madagascar. Passiflora quadrangular is, the West Indian 

 granadilla. P. maliformis, P. edulis, P. laurifolia, yield 

 fruit for the dessert. Tacsonia mollissima and T. tripartita 

 have edible fruits. 



Portulacacece, Purslane order. Claytonea tuberosa has a 

 tuberous root eaten in Siberia. (7. perfoliata is a pot-herb 

 in North America. Portulaca oleracea, purslane, a long- 

 known esculent vegetable, antiscorbutic. 



Mesembryanihemacece or Ficoidece, Fig-marigold order. 

 Lewisia rediviva ; the farinaceous root is eaten in Oregon. 

 Mesembryanthemum edule, the Hottentots' fig, has esculent 

 leaves ; other species are pot-herbs. 



Tdragoniacece, Tetragonia order. Tetragonia expansa is 

 used as spinage in New Zealand. 



Cactacece, Cactus order. C. melocactus quenches thirst. 

 Opuntia vulgaris, prickly pear. Pereskia aculeata, the Bar- 

 badoes gooseberry. 



Grossulariacece, Gooseberry order. Ribes grossularia, the 

 gooseberry ; Ribes nigrum, the black currant ; Riles rubrum, 

 the red currant. 



Hydrangeacece, Hydrangea order. Of hydrangea some 

 species are used as tea. 



Hamamelidacece, Witch-elm order. Hamamelis Virginica 

 furnishes oily edible seeds. 



Umbelliferce, or Apiacece, Umbelliferous order. Umbel- 

 liferous plants used as esculents : Anesorhiza capensis is a 

 Cape esculent ; Anthriscus cerefolium (formerly Chcerophyllum 

 sativum), garden chervil, is cultivated in gardens for the leaves, 

 which are used in soups and salads. The Anthriscus sylvestris 

 (formerly Chcerophyllum sylvestre), wild-beaked parsley, called 

 also smooth cow- parsley, a very abundant wild plant, has 

 poisonous roots, yet the leaves are occasionally used as a pot- 



