560 



CXLVIII. HYDROPHYLLE^E. 



(Menyanthes trifoliata) has the same properties as the Centaury, and is also used as an antiscorbutic, as is 

 Villarsia nymphceoides, both indigenous plants. [The rootstock of Menyanthes is intensely bitter, and an 

 excellent tonic. Various species of Ophelia supply the celebrated Chirita of the Indian Pharmacopeia. 

 American Calumba is the root of Frazera Walter*. ED.] 



CXLVIII. HYDEOPHYLLE^E. 



(HYDROPHYLLE^E, R. Br. HYDROPHYLLACE^E, Lindl.) 



COROLLA monopetalous, inserted on a hypogynous disk, isostemonous, cestivation 

 imbricate. STAMENS 5, inserted at the bottom of the corolla-tube. OVARY 1- or incom- 

 pletely 2-celled', OVULES with a ventral hilum. FRUIT capsular, or almost fleshy. 

 EMBRYO straight, albuminous. RADICLE vague. 



Annual or perennial HERBS with watery juice and angular stems. LEAVES 



IlydrophyUttm. 

 Ovary cut vertically (mag.) 



ffydrophyllum. 

 Transverse section of fruit. 



HydropJtyllum viryinicttm. 



Ifydrophyltum. 

 Flower cut vertically (mag.). 



