RUE FAMILY. 81 



ones largest, making a triangular-heart-shaped outline), often dark-colored 

 along the middle, unpleasantly scented ; petals purple or pink, the two upper 

 (!' long) much longest. 



P. graveolens, HEAVY-SCENTED P. Shrubby and hairy like the last ; 

 leaves palmately 5 - 7-lobed or parted and the oblong lobes sinuate-pinnatifid ; 

 petals shorter. 



P. Radula, ROUGH P. Shrubby, rough and hairy above with short bris- 

 tles ; the balsamic or mint-scented leaves palmately parted and the divisions 

 pinnately parted or again cut into narrow linear lobes, with revolutc margins ; 

 peduncles short, bearing few small flowers ; petals rose-color striped or veined 

 with pink or purple. 



P. fulgidum, BRILLIANT P. Shrubby and succulent-stemmed, downy ; 

 leaves mostly 3-parted, with the lateral divisions Avedge-shapcd and 3-lobed, the 

 middle one oblong and cut-pinnatin'd ; calyx broad in the throat ; petals 

 obovate, scarlet, often with dark lines, ' long. 



P. triste, SAD or NIGHT-SCENTED P. Stem succulent and very short 

 from a tuberous rootstock, or none ; leaves pinnately decompound, hairy ; pet- 

 als dull brownish-yellow with darker spots, sweet-scented at night. 



7. TROP^EOLUM, NASTURTIUM or INDIAN CRESS. (Name 

 from a Greek word for a trophy, the foliage of the common sort likened to a 

 group of shields.) Cult, from South America, chiefly Peru, for ornament, 

 and the pickled fruits used as a substitute for capers, having a similar flavor 

 and pungency : fl. all summer, showy. 



T. majus, COMMON N. Climbing high, also low and scarcely climbing ; 

 leaves roundish and about 6-angled, peltate towards the middle ; petals much 

 longer than calyx, varying from orange to scarlet and crimson, pointless, entire 

 or a little jagged at the end, and the 3 lower and longer-clawed ones fringed at 

 the base : also a full double variety, (f) 



T. minus, SMALLER N. Smaller ; petals paler yellow and with a pointed 

 tip. Now less common than the preceding, but mixed with it. (T) 



T. tuberdsum, TUBEROUS N. Less common ; leaves with 5 rather 

 deep lobes ; petals entire, orange, scarcely longer than the heavy-spurred orange- 

 red calyx ; tubers edible. 11 



T. peregrinum, CANARY-BIRD FLOWER. Climbing high ; leaves deeply 

 5 - 7-lobed and cut ; spur hooked, or curved ; petals light yellow, the 2 upper 

 lobed, the 3 lower small and fringed. (f) 



8. IMPATIENS, TOUCH-ME-NOT, JEWEL -WEED, BALSAM. 



(Name from the sudden bursting of the pod when touched.) Ours are all 



tender and succulent-stemmed annuals : fl. all summer. 



I. pallida, PALE T. Wet ground and moist shady places, commonest N., 

 l-4 high, branched; leaves alternate, oval; flowers panicled, pale yellow 

 dotted with brownish-red (rarely spotless), the sac broader than long and tipped 

 with a short incurved spur. 



I. flilva, SPOTTED T. Commoner S. ; has smaller orange-colored flowers 

 spotted with reddish-brown, sac longer than broad and tapering into an inflexed 

 spur (spots and spur rarely wanting). 



I. Balsamina, GARDEN BALSAM, from India. Low, with crowded lan- 

 ceolate leaves, the lower opposite, a cluster of large and showy short-spurred 

 flowers in their axils, on short stalks, of very various shades (from white to red 

 and purple) ; the finer sorts full double. 



28. RUTACE^E, RUE FAMILY. 



Known by the transparent dots or glands (resembling punctures) 

 in the simple or compound leaves, containing a pungent or acrid 

 bitter-aromatic volatile oil ; and stamens only as many or twice as 

 many (or in Orange and Lemon more numerous), inserted on the 

 base of a receptacle (or a glandular disk surrounding it) which 



