HUE FAMILY. 81 



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

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

 (1' 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. 



T?. Radula, RonOH 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 ; 

 ])eduncles short, bearing few small flowers ; petals rose-color striped or veined 

 with pink or purple. 



P. ftilgidum. Brilliant P. Shrubby and succulent-stemmed, downy ; 

 leaves mostly 3-parted, with the lateral divisions wedge-shaped and 3-lobed, the 

 middle one oblong and cut-pinnatifid ; calyx broad in the throat ; petals 

 obovate, scarlet, often with darjc- 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^OIiUM, 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. m&jus, 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. (T) ! : . 



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

 tip. Now less common than the preceding, but mixed with it. ® 



T. tuber6suin, Tuberous N. Less common ; leaves with 5 rather 

 deep lobes-; petals entire, orange, scarcely longer than the heavyrSpurred.orange- 

 red calyx ; tubers edible, y. 



T. peregrlnum, Canary-bird Plower. 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. ® 



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. ftilva, 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. Sals^mina, 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.ffiI, 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 



