68 DICOTYLEDONOUS PLANTS. 



4. G. columbinum Linn. : leaves 5-parted ; lobes deeply cleft into 

 linear, acute, segments ; peduncles very long, 2-flowered ; petals en- 

 tire, as long as the awned calyx ; carpels glabrous, not rugose ; seed* 

 dotted. 



HAB. Fields. Can. and N. S. July. . Stem mostly decum- 

 bent, rough. Flmcers pale purple, 



5. G. carolinianum Linn. : diffuse, pubescent ; leaves Globed beyond 

 the middle ; lobes incised, 3 5- cleft ; peduncles crowded towards the 

 top ; petals notched, as long as the awned calyx ; carpels hairy ; 

 seeds smooth. 



HAB. Hills. From Arctic Amer. to Geor. W, to Miss. May, 

 June. i Stem 12 18 inches long, branched. Flowers small, 

 white. 



0. G. robertianum Linn.: leaves ternate or quinate; Icafets some- 

 what pinnatifid ; segments mucronate ; peduncles long, 2-flowered ; 

 calyx angular, hairy, with longish awns, shorter than the entire petals ; 

 carpels small, wrinkled ; seeds smooth. 



HAB. Rocky places. Can. to Virg. June Sept. .- Stem 

 long. Flowers rather small, purple. Plant very fetid. 



Herb Robert. 



ORDER XXVIII. BALSAMINE.E. De Cand. Lind. 



Sepals 5, irregular, deciduous, the two inner and upper of 

 which are connate, the lower spurred. Petals 4, hypygynous, 

 united in pairs, so that apparently there are only 2 petals ; the 

 fifth wanting. Stamens 5, hypogynous ; filaments subulate ; 

 anthers 2-celled, bursting lengthwise. Ovary single, 5-cell- 

 ed ; stigma sessile, more or less 5-lobed. Fruit capsular, 

 with 5 elastic valves and 5 cells. Seeds numerous, suspend- 

 ed ; albumen none ; embryo straight, with a superior radicle 

 and plano-convex cotyledons. 



Succulent herbs. Leaves simple, opposite or alternate, 

 without stipules. Peduncles axillary. 



1. IMPATJENS. Linn. 



Sepals 5, the lower one spurred. Corol 4 petalled, irregu- 

 lar ; the two inner petals unequally bilobed. Stigmas 5, 

 united. Capsule prismatic-terete, elongated, 5-valved, open- 

 ing elastically. Pentandria. Monogynia. 



1. /. pattida Nutt. : peduncles solitary, 3- 4-flowered ; leaves rhom- 

 bic-ovate, sub-acute, mucronate-dentate ; calcarate petal dilated, 

 shorter than the rest ; spur recurved, very short ; flowers sparingly 

 punctate. /. nob-tangere Pursh. /. awrea Mithl. 



