DICOTYLEDONOUS PLANTS 



119 



1. Stamens with anthers of two forms, 

 pound. 

 Herbs. Leaves with many leaflets 



Trees. 

 Low shrubs. 



Leaves pahnately com- 



Lupinus, YIIL 



Laburnum, IX. 



Cytisus, X. 



2. Anthers all alike except in No. 14. 



Leaves usually with 3 leaflets. Leaflets with fine teeth, 



except in Xo. 14. 

 (a) Pod coiled. 

 (&) Pod not coiled. Flowers in racemes 



(c) Pod not coiled. Flowers in heads. 



(d) Leaflets entire. 



Medicago, XL 



Melilotus, XII. 



Trifolium, XIII. 



Psoralea, XIV. 



3. Leaves odd-pinnate, with more than 3 leaflets. 



Amorpha, XV. 



Wistaria, XVI. 



Robinia, XVIL 



Astragalus, XVIII. 



(e) Low woody shrubs, 

 (/) Tall twining shrubs. 

 (g) Trees. 

 (h) Herbs. 



Leaves pinnate, the midrib prolonged into a tendril. 



(i) Leaflets usually many pairs. Style slender, bearded 

 only at the tip or all round the upper portion. Pod 

 2-several-seeded. Vicia, XIX. 



(/) Leaflets few or seA^eral 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 o-toothed. Corolla 

 of 5 distinct petals or 5-cleft. Stamens 5-10, distinct. 

 Ovary nearly sessile, flat, several-seeded."^ 



