338 XLVII, § MIMOSEH (OLIVER). | Acacia. 
A. Flowers spicate. 
Stipules spinose. : 
Fine 4-6 (2-8) pairs, with gland between each pair . . 1. A. albida. 
Pinne 7-13 pairs, 1 gland near base of rachis . 2, A. Lahar. 
Stipules not spinose ; spines infra-stipular, scattered or 0. 
Leaflets 1-jugate. 6 
Flowers shortly pedicellate. Pinna 2- auenie - . .. 8. A. mellifera. 
Flowers sessile. 
Leaflets 2-10-jugate. 
Pinne 2-3-jugate. Leaflets 3-5-jugate, oblanceolate- 
oblong . Die iy eros 5. 
Pinne 3-5jugate. " Leaflets 5-10-jugate, oblanceolate- 
oblong . ee ee ee 1 0. 2. 
7. A. Welwitschir. 
Pinne 3-4- jugate. ‘Leaflets 4-6-jugate, elliptical 
Leaflets 10-50-jugate. 
Leaflets usually 10-20-jugate. 
Petals free nearly or quite from the base. 
Spikes exceeding the leaves. Legume 3 
Pinne 3-5, Jugate ne 
Spikes usually shorter than leaves. 
broad. Pinne 3-6-jugate. 
—1in. broad. 
Legume } : fi in. 
Pinne 8-jugate. Flowers purple. Calyx pubescent 10. 
Petals united 3 their length. Flowers closely 
pubescent . . See fpeo eos 4 eG 
Leaflets usually 20-50- jugate, 
Glands of leaf-rachis raised or ie ss \ Sher short, 
scattered) . . 12 
Glands sessile or 0. 
Petals 3-5 times longer than calyx. . . 13 
Petals scarcely more than twice as long as calyx, 
or but slightly exceeding it. 
Pinne 10-40-jugate, leaflets 3,—3, in. broad. 
Petals twice as long as calyx. Legume 4-3 in. 
broad . nol 
Leaflets about 1 line broad. ‘Petals slightly ex- 
ceeding calyx. Legume 1 in. broad, obtuse, 
irregularly, not tranavoreely, reticulate ue kD 
Pinne 6—14-jugate, leaflets 3. in. broad. Petals 
slightly exceeding calyx. Legume 4-3 in. 
broad, obscurely transversely reticulate. . . 16 
B. Flowers capitate. 
Stipules scarcely or not at all croc 
Padtncies naked. .-.% ee sy 
Peduncles involucellate near the middle. 
Stipules spinescent. 
Involucel obsolete. 
Involucel at apex of peduncle. 
Pinne 4-8-jugate. Pogues i or eplindrical ; seeds 
crowded) : : 
Pinne 10-30- jugate - Body 
Involucel usually at base of peduncle. (Conipare A, 
tristis, p. 349.) 
Pinne 6-30-jugate; leaflets Sie cw Legume 
thinly coriaceous. 7. 
Pinne 3—4-jugate ; leaflets 8-12- jugate. “Legume thinly 
coriaceous. 23. 
Pinne 2-7 ee "leaflets 8- “15 jugate. Legume thick, 
woody 
Pinne 3-jugate . . . Sy 
8. 
Flowers glabrate a9: 
(Hoary-tomentose ; petals silky) . . 19. 
A, nigrescens. 
A leta. 
A. venosa. 
A. Verek. 
A, glaucophylla. 
A. purpurea. 
. A. erubescens. 
. A, ataxacantha. 
. A, macrostachya. 
4. A. Catechu. 
. A, hecataphylla. 
. A. Caffra. 
. A. pennata. 
Sekt 
A. amythethophylla 
A, lasiopetala. 
. 20.*A. Farnesiana. 
A, Sieberiana. 
A. abyssinica. 
A, reficiens. 
- . . . 24, A. hebeclada. 
