822 
BIADELPHIA. 
PISUM. Style keeled, pubescent above. 
LATH'YRUS. Style flat, downy above. 
VIC'IA. Style bearded under the summit . 
(8) Legumen two-celled. 
ASTRAG'ALUS. Legumen two-celled, curved, tumid. 
(4) Legumen with about one seed. 
TRIFO'LIUM. Legumen scarcely longer than the calyx, with 
one or two seeds : flowers mostly capitate, 
pdedicago lupulina. Hedysarum Onobrychis.] 
(5) Legumen almost jointed; sometimes spiral. 
HEDYS'ARUM. Legumen with roundish, compressed joints : 
Keel very obtuse. 
ORNFTHOPUS. Legumen jointed, bent like a sickle. 
HIPPOCRE'PIS. Legumen compressed, incurved, mem¬ 
branous ; one of the seams with several deep notches. 
MEDIC A 7 GQ. Legumen spiral, membranous, compressed: 
Pistil pressing down the keel. 
(6) Legumen of one cell; with two or more seeds: (without the marks of 
the former subdivisions.) 
ER'VUM. Cup with five divisions, nearly equal, and nearly 
as long; as the blossom: (Stigma capitate, hairy on all 
sides. E. Bot. E.) 
LOTUS. Legumen cylindrical, spongy within : Wings con¬ 
verging upwards. 
Linnaeus also gives the following Natural Arrangement of the different 
genera. 
Winged without an odd Leafit. Orobus , Pisum , Lathyrus , Vicia, 
Lrvum. 
Winged with an odd Leafit. Astragalus , Hedysarum. 
With three Leafits. Trifolium , Lotus , Medicago, Genista , Ononis . 
Flowers in Umbels. Lotus , Ornithopus , Hippocrepis . 
