OXALIDACEAE— TROPAEOLACBAE 



Pelargonium- < ieranium 



(Gr. pelargos, Bt< 



1. Plant trailing; leaves ivy-like, petiole attached to I 



2. Plant erect, Dot trailing 



a. Leaves with shallow lobes, marked with a lemicirculai 



fleshy 



b. Leaves distinctly or deeply lobed, usually nol 

 1 1 I Leaves rarely lobed to the middle, fi i| 



(2) Leaves lobed beyond the middle, often to I 

 I i Lobes oblong 

 (b) Lobes linear 



Erodium— Storksbill 



(Gr. erodios. heron, referring to tie- form ol 

 Low, spreading; leaves pinnate, hairy; flowers pink 



Oxalidaceae — Oxalis Family 

 Low, usually stemless herbs, with 3-foliate leavi 

 ovarj 5-celled, stigmas ?, fruit a capsule; flower syncarpous, a 



< Kalis- -■< Ixalis, \\ 0" d sorrel 



(Gr. oxalis. BOrrel, from oxys. 



1. Native; flowers yellow, 5-10 mm. wide 



2. Cultivated; flowers varicolored, 10 25 mm. wide 



a. Stems leafy; leaflets deeply notched; flowers yellow 



b. Stems leafless; leaflets not deeply notched; flowers 



(1) Leaves fleshy, 5-6 cm. wide; stem from bulbs 



(2) Leaves thin, hairy, 3-4 cm. wide; stem from thick 



Balsaminaceac — Touch-me-not Family 

 Herbs with simple alternate leaves; sepals 4. one of them spui 

 ovary 5-celled, stigma 1, fruit a capsule which coils elastically, 



apopetalous, hypogynous, irregular. 



Impatiens — Touch-me-not, Bal 



(Lat. impatiens, Impatient, hence touch-i 



1. Native; flowers pale-yellow to orange 



a. Flowers pale yellow, with scattered reddish 



b. Flowers orange, densely dotted with red-brown 



2. Cultivated; flowers red to white, varicolored 



a. Flower flat, red; spur long, narrow 



b. Flower cup-like, vai ften double; 



Tropaeolaceae — Tropaeolum Family 

 Fleshy herbs, climbing with their long petiole-, i 

 shaped, alternate; sepals 5, united at the 

 3-celled, stigma 1. fruit i a< hene like 



hypogynous, irregular. 



Tropaeolum— Tropaeolum, N'asturtium, 1; 



(Gr. tropaion. Lat. tropaeum, 



1. Petals large, spreading 



a. Leaves entire or wavy 



(1) Feat' veins ending in point-; 



(2) Feat' veins not pointed ; petals 



b. Feaves deeply lobed; flowers brighl yellow; 



2. Petals small, pi 





