Rothia.] 
XLVII. LEGUMINOSJE. 
559 
2 . ROTHIA, Pers. 
Diffuse annuals. Leaves trifoliate. Flowers numerous minute 
axillary. Calyx-tube turbinate, teeth as long as tube 2 upper 
broader, arched. Corolla hardly exsert. Petals narrow clawed. 
Filaments in a tube slit along top; anthers uniform. Ovary 
sessile linear; ovules many; style short, filiform. Pod linear, 
slender, compressed. Seeds 20 or more. Species 2, 1 African. 
(1) R. trifoliata Pers . Dec. Prod. ii. 282; Baker, in Hook fit. 
F.B.I. ii. 63; Wight, l.c. t. 199. 
Silky, much-branched. Branches x ft. long. Leaves 1 in. 
long; petioles '5 in. long; leaflets silky, elliptic narrowed at base, 
minutely mucronate, *5 in. long, - 2 in. wide, glabrous. Flowers 
1 to 4. Calyx -05 in. long. Corolla very small, silky, yellow, 
inconspicuous. Pods 1-5 to 2 in. long, silky. Hab. Sandy fields. 
Province Wellesley, Tasek Gelugur; seashore, Telok Ayer Tawar. ( 
Distrib. India, Ceylon, Australia. pe'v^a^cj rvaP'tt 5 
3 . CROTALARIA, Linn. 
Herbs or under-shrubs. Leaves simple, trifoliate or 5- to 
7-foliolate. Flowers showy in terminal or leaf-opposed racemes. 
Calyx tube short, teeth free or connate in 2 lips. Corolla as long 
or longfer, standard round or ovate short clawed; wings obovate 
or oblong shorter; keel as long, its petals united, incurved, beaked. 
Stamens monadelphous in a sheath split dorsally; anthers di¬ 
morphous, alternately on short filaments versatile and on long fila¬ 
ments basifixed. Ovary sessile or stipitate linear, many-ovuled. 
Pod sessile or stalked oblong or linear, turgid 2- to many-seeded. 
About 250 species, tropics and sub-tropics. 
Leaves simple. 
Stem winged by decurrent stipules; yellow 
flowers ....... 
Stem not winged. 
Pod not longer than calyx; racemes elongate; 
flowers blue and white .... 
Flowers few in heads, pale yellow . 
Pods much longer than calyx; glabrous. 
Diffuse silky plant ; racemes lateral; flowers 
yellow ...... 
Erect stout plants; leaves blunt; bracts 
and stipules small ; flowers yellow . 
Erect stout plant; leaves acute, 2 to 6 in. 
long; stipules large, leafy 
Slender; leaves silky narrow linear or ob- 
lanceolate ...... 
Stout plants; leaves broad rhomboid. 
Pod hairy ; robust bushy herb; flowers 
light blue; stipules large 
Pod pubescent; stipules small; flowers 
yellow ...... 
(x) C. alata 
(2) C. sessiliflora 
(3) C. chinensis 
(4) C. ferruginea 
(5) C. retusa 
(6) C. sericea 
(7) C. albida 
(8) C. verrucosa 
(9) C. semperflorens 
