Acacia, j 
XLIII. LEGUMIN0SJ1. 
475 
A. Flurinerves. — Phyllodia 2 or more nerved, or terete and nervele ss. Heads globular. 
Sepals united. 
Seeds longitudinal (extratropical species). 
Peduncles short. Pod 4 to 5 lines broad. Branches usually woolly 3. A. lanigera. 
Seeds obliquely transverse. Branches glabrous, somewhat viscid 
(tropical species) 4. A. phlebocarpa. 
B. Uninerves. — Phyllodia 1 -nerved. Heads globular. 
Petals prominently striate. Pod thick, with broad smooth margins. 
Flowers 5-merous. 
Phyllodia straight, clustered at the old nodes. Peduncles slender. 
Funicle encircling the seed 5. A. tetragonophylla. 
Phyllodia scattered, divaricate, rather broader or with a small 
glandular angle at the base. Petals with a prominent midrib. 
Peduncles slender. Funicle filiform (i. A. juniperina. 
Series III. Calamiformes.— Phyllodia rarely none, more frequently narrow-linear or 
subulate, terete tetragonous or very slightly flattened, articulate on the stem, obtuse or with short 
innocuous or recurved points, 1 or several-nerved. Flowers in globular heads on simple axillary 
peduncles, or rarely several heads in a short raceme, or irregularly racemose by the abortion of the 
floral phyllodia. 
(Some of Ser. VII., Julijlorce, have similar phyllodia, but cylindrical or ovoid fiower-spikes.) 
A. Flurinerves. —Phyllodia striate, with 2, 8, or more nerves on each side. 
Phyllodia mostly nearly lin. long, with a hooked or recurved point. 
Peduncles 3 to 4 lines long. Petals narrow, membranous (tropical 
species) 7. A. Bynoeana. 
B. Uninerves. — Phyllodia 1 -nerved or nerveless. 
Phyllodia mostly elongated, above ljin long. 
Peduncles 1-headed. Sepals spathulate. 
Phyllodia 1J to 2 or rarely 3in. long ; nerve prominent. Petals 
with a prominent midrib 8. A. pugioniformis. 
Phyllodia 3 to 6in. long, obscurely nerved. Petals without any 
prominent nerve 9. A. juncifolia. 
Peduncles mostly bearing a raceme of 2 or 3 heads. Calyx shortly 
toothed or lobed 10. A. calamifolia. 
Series IV. Brunioideae. — Phyllodia numerous, small, linear-subulate (except A. conferta), 
verticillate, clustered or crowded, obtuse or ivith innocuous or rarely rigid points. Flowers in 
globular heads or simple axillary peduncles, usually exceeding the phyllodia. 
Phyllodia 8 to 10 or more in the whorl, slender, under ljin. long. 
Petals striate. 
Phyllodia recurved at the end, sulcate. Pod sessile 11. A. lycopodifolia. 
Phyllodia recurved at the end, not sulcate. Pod on a stipes of 2 to 3 
lines 12. A. galioides. 
Phyllodia 5 to 7 in the whorl, recurved at the end, not sulcate. Petals 
not striate, with a prominent midrib 13. A. Baueri. 
Phyllodia crowded, but scattered or irregularly verticillate, under Jin. 
long. 
Phyllodia linear subulate 14. A. bruniades. 
Phyllodia flattened 15. A. conferta. 
Series V. Uninerves. — Phyllodia vertically fattened, either narrow and obtuse or with a 
short oblique point, or broad and obtuse, acute or rarely pungent-pointed, with 1 central or nearly 
marginal nerve, or very rarely 2 -nerved. Flowers in globular heads, either on simple axillary 
peduncles, solitary, in pairs or clusters, or several in axillary racemes. 
A. Armatae. — Shrubs or umlershrubs, not spinescent. Phyllodia from obovate to lanceo- 
late, rarely above 1 Jin. long, more or less undulate, with a central nerve and usually nerve-like 
margins ; marginal glands none or very small and obscure. Stipules generally persistent, either 
spinescent or setaceous or acuminate or phyllodia like. Peduncles 1 headed. 
Hirsute or glabrous. Phyllodia obliquely semiovate or lanceolate. 
Stipules spinescent (wanting in some garden varieties) 16 A. urmatu. 
Some garden specimens of A. armata have some of the phyllodia 2-nerved ; the other 2 or 
more nerved species, formerly included in Armatee, are now transferred to the Plurinerves. 
18, A. hispidula, and 19, A. undulifolia , among Breuifolue, have the undulate phyllodia, but 
not the stipules of Armata’, and 22, A. sentis, among Angustifoli<e, has occasionally spinescent 
stipules. 
