310 XL. LEGUMJNOS^. [Acacia, 



Phyllodia uarrow-lincar, thick, the midrib obscure. Funicle 

 • linear, thick, scarcely folded. (Flowers uakaown) . , • 119. A, ramosmima, 



Phjllodia with a prominent midrib. 



Calyx short, truncate ' 138. A. salicbia* 



Sepals narrow, free. 



Pedicels solitary or in pairs, the upper ones often race- 

 mose from the abortion of the phyllodia. Stipules 

 oTten spinescent. 

 Phyllodia rarely above 2 in. long ....*.♦ 120. A, sends, 

 Phyllodia very narrow, 3 to 8 in. long ..-*.. 121. A. dentlfera. 

 Pedicels slender, clustered in the axils. Stipules not 

 spinescent, Phyllodia lanceolate-falcate, 4 to 6 in. 

 long 122. A , fascicuUfera, 



F. Racemosae. — Not spbwsce77t, FhjUodid not pungent fea-cept in a few broad- 

 leaved speciesjy with one central nerve or very rarely a second shorter or fainter one^ tits 

 teinlets when visible diverging from the midrib or reticulate. Flower-heads globular, few 

 or all or nearly all in ajcillary racemes^ very rarely a few solitary hi the lower axils of a 

 young hra^ich. Flowers usually small and h-merous la all except A. niyrtifolia. Petals 

 not striate. 



Phyllodia mostly long, falcate-lanceolate or almost linear, narrowed 

 at the ends, more or less distinctly penniveined. Calyx about 

 half as long as the corolla. 

 Eastern species. Flower-heads small. 

 Phyllodia mostly long lanceolate-falcate. 



Sepals free, narrow. Gland of the phyllodia at the base or 



none. Funicle surrounding the seed ....'.. 123. A.falcata, 

 Sepals united. Gland of the phyllodia at the base or none. 



Yeinlets transverse ; funicle short 124. A> macradenia. 



Sepals united. Gland of the phyllodia distant from the 

 base, a secondary nerve often leading to it. Veinlets ob- 

 tuse. Funicle sin-rounding the seed 125. A,penninervis. 



Phyllodia mostly long linear-falcate. 



Sepals united. Gland distant from the base or none. 



funicle surrounding the seed 126. A.retinodes. 



Sepals free or nearly so. Gland at the base of the phyl- 

 lodia minute or none. Funicle short, the last fold 



clavate 127. A. neriifoHa* 



■Western species (the first near A.sentis, the second near A.fal' 

 cata, the olhers near A, pycnanthd), 

 Fhyllodia 1 -nerved. 



Sepals narrow, quite distinct 121. A. dentifera. 



Sepals uuited, at least at first. 



Flower-heads small, on short slender peduncles. Funi- 

 cle long, folded . 12S, A. microdoirya. 



Flower- heads rather large, on rather stout peduncles. 



Funicle clavate, as long as the seed, scarcely folded 

 at the base, 



Phyllodia more or less prominently penniveioed . • 130. A. cyanopl^j/Ud' 

 Phyllodia smooth, the veins scarcely conspicuous . .129. A. saligna. 

 Phyllodia 2-nerved . ... 174. -^^ bivenosa* 



Phyllodia long falcate-lanceolate or almost linear or thick and nearly 

 straight. Flower-heads dense, rather large. Calyx at least 

 ong as the corolla. 



Phyllodia penniveinet^, much falcate. Seeds longitudinal, funicle ,, 



clavate, scarcely folded at the base ... 7 131. J. pycnanitia* 



Phyllodia thick, strnight or falcate, obtuse. Seeds transverse, the 



funicle almost encircling them .... , . , 132. X noiaoitis. 



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