46 PLANTS OF MASSACHUSETTS. 



»M. cordifolia. Mx., has a rather shorter stem, with only one 

 leaf or none, but with cordate, lobed, and crenate leaves at the 

 root ; sometimes creeping by suckers ; petals beautiful, like the 

 other ; grows in rocky, moist places, and flowers in June. 



TiARELLA. L. 10. 2. 



T. cordifolia. L. Mitre Wort. Resembles the preceding 

 in its leaves and stem ; flowers yellowish-white in a long raceme ; 

 grows in woods with M. diphylla ; of delicate appearance, but no 

 useful application. 



Reseda. L. 12. 3. 



R. odorata. L. Mignonette, is a common exotic of the 

 gardens, a finely-scented plant. A much taller variety, without 

 odor, is also cultivated for its beauty, R. frutescens. 



R. luteola, L., Dyer's Weed, is merely noticed as rarely 

 cultivated. 



ORDER 46. CACTEiE. Indian Fig Tribe. 



Sepals and petals numerous, usually indefinite ; stamens in- 

 definite, somewhat cohering to the petals ; ovary inferior, 1 -celled ; 

 style filiform ; fruit succulent ; leaves wanting, or fleshy, smooth, 

 entire or spine-hke. 



Cactus. L. 11. 1. 



A genus of succulent plants, various and singular in structure, 

 commonly leafless. Many species are cultivated in the hot- 

 houses, on account of their singular form, and the beauty of their 

 flowers. 



C. opuntia. L. Prickly Pear. Named from the town Opws, 

 in Greece. It is a well-known exotic. Nantucket. T. Jl. 

 Greene. 



ORDER 47. ONOGRARIiE. Evening Primrose Tribe. 



This includes 4 genera, and nearly a dozen species in our 

 State. The plants of this order belong to temperate climes ; 

 and possess no very interesting or useful properties. 



