Psoralea. | LEGUMINOS# (Harv.) 143 
XXV. PSORALEA, L. 
Calyx campanulate, unequally s-lobed, the lowest lobe longer, and 
commonly broader than the rest. Veaillum broad, with reflexed sides. 
Carina shorter, dark-coloured. Stamens diadelphous. Ovary sessile, 
1-ovuled ; style slender. Legume concealed in the calyx, one-seeded, 
indehiscent, Endl. Gen. No. 6526. : 
A large genus of shrubs or herbs, common in the tropics and subtropics of both 
hemispheres, almost always copiously sprinkled with resinous, black or pellucid dots, 
and strongly scented. Leaves pinnate, or trifoliolate, Soh Tague Stipules _ : 
free or adnate with the petiole. Flowers blue, purple or white, variously disposed. 
ANALYSIS OF THE SOUTH AFRICAN SPECIES. ae 
1. Sparsiflore. Flowers axillary, pedicellate or subsessile, solitary or clustered 
(not spiked or racemose). (Sp. 1-19). 
Leaves pinnate : leaflets in 3-7 pairs. 
Leafl. linear-lanceolate, in 7 pairs... ... ... +. (1) odoratissima. 
Leafl, linear or lanceolate-linear, in 3-5 pairs... (2) pinmata. — 5: 
Leaves trifoliolate, or unifoliolate, or abortive : ; 
Leafl. mostly solitary or abortive (reduced to scales) ; 
Stipules free from the petiole : 
Leafl. lanceolate, complicate ... 0 6. eee vee (3) Gueinzii. 
Leafl. narrow-linear or none : * 
Variably pubescent ; pedicels shorter than the cal. (4) aphylila. 
Glabrous ; pedicels much longer than the calyx (5) oligophylla. 
Stipules adnate with the petiole, stem-clasping ... (6) restioides. 
Leafl. uniformly three : : 
Virgate or filiform, slightly branched shrubs or suffrutices : Mallet : are a Ronrand uf 
Stipules adnate with the petiole, subulate-acumi- - ae 
nate ofl vay ce (7) fascicularis. ~ 
Stipules minute, subulate, free ;" 
Slender, straggling suffrutices ; 
Petioles 2-3 lines long ; leafl. narrow- fe 
Petioles 6-12 lines long ; leafl. linear- 
facia oe 8 ek OO 
Virgate shrubs : 
Leafl. lanceolate, acute at each end = (10) verrucosa. 
Leafi. linear-oblong, obtuse, mucronate (11) axillaris. 
Much branched, ramulous and densely leafy shrubs : 
Lateral leaflets very wnequal sided at base : 
Leafl. elliptic-oblong, aristate, prominently 
Gibted: Gas” see ees. ek eee (12) obliqua. 
Leafl. linear or lin.-oblong, with immersed 
de a ee ere (13) polyphylla. 
Lateral leaflets nearly equal sided at base : ay 
Leafl, lin.-oblong, flat, with convex glands (14) Mundtiana. Be 
- Leafl. narrow, complicate, minutely dotted, ec 
glabrous Br eter Sarina: ve ey Oe! 
Leafl. obcordate, the young ones silvery (15) macradenia. 
Leafl. cuneate, sharply recurvo-mucronate, cae 
UUM eo ne see vee tee sot (16) aculeata, 7 
Trailing or prostrate suffrutices or herbs : fart ee 
Petioles 1-2 inches long ; leafl. glabrous (18) repens. 8 * 
Petioles 2-3 lines long ; leafl. pubescent (19) decumbens. 
9, Fasciculate. Flowers in dense, terminal or axillary fascicles, but not tit 
capitate or spiked. (Sp. 20-24). a 
Petioles very short ; leafl. broadly, cuneate-oblong, blunt 
Petioles very short ; leafl. narrow, linear-spathulate, acute, 
Calyx-teeth short, triangular wees eee 
Wie Cee 
