34 



POPULAR GARDEN BOTANY. 



yellow -flowered : these are all South American plants. T. 

 (Chymocarjjus) pentaphyllus, a plant from Buenos Ay res, is 

 a beautiful greenhouse climber, growing several feet high, 

 and producing plenty of lovely pendent flowers, of a pink 

 hue, tinged with green ; the calyx of this species does not 

 fall off, as in the true Trojoceolum, " but it increases in size 

 and thickness, its vitality continuing undiminished until 

 the decay of the stem that supports it. In the advanced 

 state, the tube or spur assumes a fleshy consistence, and is 

 abundantly supplied with a honey-like fluid, its extremity 

 being partially separated from the rest by a constriction, as 

 if formed by a ligature, and finally withering and falling off, 

 while the other parts remain in a healthy state." This cir- 

 cumstance has given rise to the formation of a new generic 

 name, Chymocarpus, from the Greek for juicy and fruit. 

 T. crenatiflorum is brought from Peru, and is quite hardy 

 in the summer; it is a climbing plant, with the leaves 

 nearly orbicular, the lobes of which are small and rounded; 

 the flowers are on long footstalks, solitary ; the calyx yellow, 

 tipped with green ; the petals yellow, the two upper having 

 a few purple streaks ; it is a very pretty species. T. spe- 

 ciosum is a native of Chiloe, and is hardy enough for our 

 summers ; it is remarkably ornamental, and of a slender 



