78 XLII. LEGUMINOS2. 
Herbs, dispersed over the globe: “ Trefoil,” “ Clover,” ete.—There are 
7 species found in South Africa, of which 3 are endemic, the rest probably 
introduced from Europe. 
28. MELILOTUS, Tournef. 
Calyx bell-shaped, subequally 5-toothed. Corolla deciduous; 
standard and wings longer than the obtuse keel. Stamens 
diadelphous. Legume oval or oblong, 1—4-seeded, longer than 
the unaltered calyx, indehiscent.—H7. Cap. ii. p. 161. 
Annuals or biennials, strongly scented, of Northern origin. Leaves 
pinnately 3-foliolate, the leaflets sharply and coarsely toothed. Flowers 
small, yellow or whitish, in racemes. MM. parviflora, Desv., is a weed near 
cultivation. 
29. TRIGONELLA, Linn. 
Calyx bell-shaped, 5-toothed. Corolla deciduous ; standard 
and wings spreading; keel obtuse. Stamens diadelphous. Le- 
eume linear or oblong-linear, compressed or terete, acuminate, 
many-seeded.— FV. Cap. i. p. 161. 
Strongly-scented herbs, chiefly from the northern hemisphere. Leaves 
pinnately 3-foliolate. Flowers racemose, umbelled or subsolitary. TZ. ha- 
mosa, Linn., is found in the Eastern district. 
30. MEDICAGO, Linn. 
Calyx campanulate, subequally 5-toothed. Standard longer 
than the wings and the blunt keel. Stamens diadelphous. 
Stigma capitate. Legume 1- or many-seeded, spirally twisted 
or falcate—— FT. Cap. 11. p. 162. 
Herbs, abundant in Central and Southern Europe and Middle Asia, na- 
turalized in various countries. Leaves pinnately 3-foliolate, very rarely im- 
paripinnate. Flowers minute, yellow or purple.—4 species, naturalized at 
the Cape. 
Tribe 6. InpIGOFERE®. (Gen. 31.) 
31. INDIGOFERA, Linn. 
Calyx small, bell-shaped, 5-fid or 5-toothed. Standard round- 
ish, reflexed; keel with a spur or prominence at each side, 
near the base. Stamens diadelphous; the connective of the 
anthers apiculate! ovary 2- or several-ovuled. Legume linear, 
terete, compressed or flattened, 1- or several-seeded, mostly 
with septa between the seeds.— FV. Cap. ii. p. 163. 
A vast genus, found in all hot countries. Shrubs undershrubs or an- 
nuals. Leaves imparipinnate or digitate, 3- or many-folioled, rarely 1- 
foliolate or suppressed. Hairs commonly rigid, fixed by a middle point, and 
set in subparallel lines; some are softly hairy or villous, a few glabrous. 
Flowers purple rosy or white, mostly racemose.—About 120 South African 
species (several new, as yet undescribed), dispersed. 
