LEGUMINOSAE 251 
Pods subeylindric or somewhat flattened, slightly twisted, pendulous, about 
20 cm long, 3 mm wide, depressed between the seeds. 
In waste places, rare, fl. Aug.—Oct.; known in the Philippines only ‘from 
the vieinity of Manila, introduced. Widely distributed in the tropics. 
40. CROTALARIA Linnaeus 
Herbs or shrubs, various in habit, with simple or palmately 3- to 7-folio- 
late leaves. Flowers racemose. Calyx-tube short, the teeth linear or lan- 
ceolate. Corolla as long as or exceeding the calyx, the standard usually 
round, longer than the wings and keel. Stamens diadelphous. Ovary sessile 
or stalked, ovules few or many; style bearded upward. Pod inflated, sessile 
or stipitate, straight or curved. (Greek “rattle.”) 
A very large genus in all tropical and subtropical regions, 15 species in 
the Philippines. 
1. Leaves simple. 
2... ‘Pod elagh 8: lone 88 TG Cage ncn inseennntinniesnietheb eee 1. C. linifolia 
2. Pod much longer than the calyx. 
3. Flowers yellow; leaves linear to oblong.....................-..---. 2. C. juncea 
3. Flowers blue; leaves ovate; stems angular; stipules large, persistent. 
3. C. verrucosa 
1. Leaves 3-foliolate. 
3. Inflorescence terminal; leaflets broad at the apex............ 4. C. incana 
3. Inflorescence axillary; leaflets narrowed to the apex.. 5. C. bracteata 
1. Leaves 5- to 7-foliolate........................ sls wi-tfhediohe 30.2 6. C. quinquefolia 
1. C. linifolia L. f. 
A slender, erect, simple or branched, annual herb 10 to 80 cm high, 
pubescent. Leaves linear to narrowly oblong-lanceolate, 1 to 3 cm long, 
2 to 5 mm wide. Racemes terminal, elongated, the flowers less than 1 cm 
long, scattered, yellow. Calyx green, tinged with brown, 2-lipped, the 
upper lip with 2 short teeth, the lower lip with.3 linear ones. Corolla 
yellow, the standard 6 to 7 mm wide. Pod glabrous, black, ovoid-oblong, 
obtuse, about 7 mm long, 4 mm thick, inflated, containing 8 to 10 seeds. 
(Fl. Filip. pl. 268, C. stenophylla.) 
Common in open, rather dry grass lands, fl. all the year, but mostly in 
the rainy season; widely distributed in the Philippines. Tropical Africa, 
India to China; Malaya, and northern Australia. 
2. C. JUNCEA L. Sunn Hemp. 
An erect, stiff, branched, suffrutescent herb usually about 1 m high, all 
parts finely pubescent. Leaves simple, linear-oblong to oblong, sessile or 
shortly petioled, obtuse, 4 to 10 em long. Racemes terminal, 8 to 20 cm 
long. Flowers scattered, about 2.5 cm long. Calyx densely brown-pubes- 
cent, the lobes long. Corolla yellow. Pods oblong, sessile, brown-pubes- 
cent, about 3 cm long. 
Singalon, cultivated, fl. Apr—June. A native of India, of recent intro- 
duction in the Philippines and apparently spontaneous in some provinces. 
3. C. VERRUCOSA L. Bulailaua (Tag.). 
An erect, branched, somewhat pubescent or nearly glabrous herb 40 to 
80 cm high, the stems angled. Leaves simple, ovate, obtuse, 5 to 11 cm 
long, base acute, short-petioled, the stipules prominent, leaf-like, semilunate, 
