DICOTYLEDONOUS PLANTS 119 
1. Stamens with anthers of two forms. Leaves palmately com- 
pound. 
Herbs. Leaves with many leaflets. Lupinus, VIII. 
Trees. Laburnum, IX. 
Low shrubs. Cytisus, X. 
2. Anthers all alike except in No. 14. 
Leaves usually with 3 leaflets. Leaflets with fine teeth, 
except in No. 14. 
(a) Pod coiled. Medicago, XI. 
(6) Pod not coiled. Flowers in racemes. Melilotus, XII. 
(c) Pod not coiled. Flowers in heads. Trifolium, XIII. 
(d) Leaflets entire. Psoralea, XIV. 
3. Leaves odd-pinnate, with more than 3 leaflets. 
(e) Low woody shrubs. Amorpha, XV. 
(f) Tall twining shrubs. Wistaria, XVI. 
(g) Trees. Robinia, XVII. 
(h) Herbs. Astragalus, XVIII. 
4. Leaves pinnate, the midrib prolonged into a tendril. 
(2) Leaflets usually many pairs. Style slender, bearded 
only at the tip or all round the upper portion. Pod 
2-several-seeded. Vicia, XIX. 
(j) Leaflets few or several pairs. Style bearded along one 
face only. Pod several-seeded. Lathyrus, XX. 
(k) Leaflets 1-3 pairs. Style enlarged above, grooved on 
the back. Pod several-seeded ; seeds large, globular 
or nearly so. Pisum, XXI. 
I. DESMANTHUS, Willd. 
Shrubs or perennial herbs; stems erect or diffuse, smooth. 
Leaves abruptly twice-pinnate ; stipules small. Flowers in 
heads or spikes, on axillary peduncles, the upper perfect, the 
lower often staminate or neutral. Calyx 5-toothed. Corolla 
of 5 distinct petals or 5-cleft. Stamens 5-10, distinct. 
Ovary nearly sessile, flat, several-seeded.* 
