Acacia.] xL. leguminos.*;. 



Phyllodia straight or falcate, thick, oblong-linear and obtuse or 

 rarely lanceolate acute, the lateral veins inconspicuous or very 

 obscure. Calyx about half as long as the corolla, readily se- 

 parating into distinct sepals. 

 Phyllodia 3 to 6 in. long, obtuse, incurved. Sepals narrow, quite 



p;,^if r^^* '^'^^ ^^^"^^ ^^ ^^^ ^^^'^'^^^ encircling the seed . . . 133. A gladiiformis. 

 rayilodia H to 3 in. long, obtuse, nearly straight. Racemes 



very short. Sepals at first cohering IZ4.. A. ohtumta, 



I'nyllodia about 3 m. loug, rather acute, usually with 1 gland. 



Racemes many-headed., Sepals at first coherine; .... 135. A. rubida, 

 fiiyllodia (on flowering branches) li to 2i in. lon.g, usually with 

 ^or3 distant glands. Kacemes many-headed. Sepals at iirst 

 cohering. Three folds of the fihiicle eucircliug the seed . ; 136. A. amcena. 

 -t^hyJodia 2 to 5 in. long, scarcely falcate, thick, obscmely reti- " 

 culate. Eacemes few-headed. Sepals at first cohering. Fu- 



liicle clavate, scarcely folded at the base 137. A, hakeoides, 



V\\^v the longest-leaved formi? of A, crassiuscula and A. decora) ' 

 -fHyllodia linear, thick, rarely falcate-lauceolatc, usually without 



glands, the lateral veins reticulate and obscure. Seeds loas;!- 

 tudinai. "^ 



C%x short, thin, tmncate. 

 Allodia mostly oblong-linear, obtuse. Pod thick ... 138. A. salictna. 

 -rhyllodia lanceolate-linear with an oblique or recurved callous 



point (western species) 139. A. rosiellifera. 



tatyi lobed, thin, half as long as the corolla (Western species), 

 i^hyllodia all narrow^ -linear, erect. Pod narrow, flat, thinly 



coriaceous. Fuuicle folded into a small fleshy aril . . . 140. A.pycnopJi^IIa, 

 i^hylludia all narrow4inear. Flower-heads small. Pod \ in, 



Ph 11 ^^^^^' ^^^^ ^^^' coriaceous. Fuuicle long, folded , . - 141 A. Ilarveyu 

 njllodia hnear or lanceolate, usually thick. Sepals very thin or 

 narrow, distinct. Pod very tlat, obtuse. Seeds transverse. 

 Y "^S racemes often enclosed in imbricate scales. 

 oung branches acutely triquetrous. Pod broad coriaceous and 



gaucous. Sepals very thin. 

 ^^'Jl odia mostly above 3 in. long (Eastern species) . . -, 142. A, maveohns, 

 ^^.v odia mostly under 3 iu. loug (Western species) . . . 143. A. suhccernlea. 

 y^^tiyllcdia long, lanceolate, penniveined (Western species) . . 144. A, Lmdleyi. 



^""g branches scarcely aui;ulai. tod membranous. Sepals 

 very narrow. 



%lIodia under 2 in. long, oblong-linear or lanceolate (Wes- 

 tern species) 145. ^. leidopeiala. 



Phvll r '"*^*''^ several inches long,' narrow linear (Eastern species). 146. A. Murrayana. 

 yoma very narrow-linear, rather thin, 3 to C iu. long. Flowers . 



}Uodia rarely exceeding l|'in.', linear lanceolate or obliquely 

 pTJ""' n«t very thick, without thick margins. 



5jat 4 to 6 lines broad, not contracted between the seeds. 



aeeds along the centre. 



labrous or pubescent. Flowers under 15 in the head. , . 



^".vllodia linear, straight ^^8- ^' lupfoha. 



XV. ^,^''' ^""'^^^^ • • • . \^'^- A. prommens 



Pod '^!k ^''^^ '''"" ^'^"*^* Flowers above 20 in the head . . 150. A, LeichhardUu 



J^^ther thick, coriaceous, 2 to 2i lines broad, contracted be- 

 Pod fl r"/^^ ^'''''^^- Flowers about 20 in the heal . . • , \h\. A, crasnuscula. 



/It about 3 lines broad, often contracted between the seeds. 



^ceds close to the edge. 

 ^V^iodia linear or lanceolate, 1 to \\ in. Flowers 15 to 20 ■ 



in the head . ... 152. A. decora. 



311 



