316 ■ • XL. LEGUMiNos^. [Acacia. 



/ 



longitudinal seeds in A. ncij^hyUa and A. ephedroides^ broad 

 with oMique seeds iu A, hrachystachija^ unknown iu the 

 others. ... ... 



Phyllodia linear- subulate, terete or iiea;rly §o, 



Phyllodia pungeut-pointed, minutely striate under a lens. 



Spikes ovoid or oblong. Flowers 5-merous 228. A^ aciphyUa, 



Phyllodia few-nerved. Spikes ovoid or oblong. Flowers 4- 



merous . 229. A, ephedroides, 



Phyllodia minutely stritite under a lens. Spikes 3 to 4 lines 



long. Flowers 4-merous ; 230. A, Burkittiu 



Phyllodia very long, minutely striate under a lens. Spikes ^ 



in. long. Flowers 5-merous . . . . . ' . . ; .' - 232. A. cyperophylla. 



Phyllodia with few prominent nerves. Spikes above \ in. 



Flowers 4-mcrouR 2^3. A. muUispicata, 



Phyllodia 4 to 1 line broad, flat but thick. Spikes under 4 lines 

 long. 



Phyllodia finely striata* with the central nerve promuient. 



Flowers 4-inerous. Sepals united 2%\, A. microneura. 



Phyllodia minutely striate under a lens, Fldwers 5-merou3. 



Sepiils free 241. J. hr achy si achy a. 



Spikes pedunculate. Flowers usually 5-merons. Pod narrow, with 

 longitudinal seeds in A.pityoides and A, oncinoj^h ylla ; hard, 

 with valves rolling back felastically and oblique seeds, in A, 

 Tylocai'pa, A. gonocarpa^ A. dreimnocarpa, and A. arida ; 

 flat, broad, thin, with oblique or transverse seeds, in A. aneura 

 and A. hr achy si achy a, 



Phyllodia terete or scarcely flattened, very finely striate under a 

 lens. 

 Calyx thin and deeply divided, the lobes n<Jt spathulate - . 234. J. pityoides. 



Sepals free, narroW'Spatbulate 2i^* A,a7ienra. 



Phyllodia terete, nerveless or obscurely 1-nervcd. Calyx lobed . 235. A, a-ylocarpa, 

 Phyllodia very narrow but flat, 1-ncrvcd. Sepals free . . . 236. A. gonocarpa. 

 Phyllodia flat but thick, prominently 3- or 5-nerved. 



Phyllodia with a hooked or rarely straiizlit point (Western . , ., 



species) ...... .\ ..'.,., . 237. A. oncmoplylh- 



Phyllodia obtuse (tropical species) 238. A, drepanocarp^ 



Phyllodia flat, minutely striate under a lens. . , 



Calyx shortly lobed ;..... . iZ"^. A. arida. 



Sepals free, linear-spathulate. 



Sj)ikes cylindrical . 240. A^ anmra. 



Spikes ovoid or oblong, ^ to 3 lines long . . . * . . 241. J.^'-^^^'^^^^^^^^' 



I). TulcKtiae.— Phyllodia usually long or large, more or less falcate, ^^^^^^^''^^^ ^jj^^i 

 end, with numerous parallel nerves or veins either all equal or the central one or ^ 

 more prominent than ihe others^ the smaller ones occasionally anastomosing^ P 

 slender, dense or rarely interrupted. Flowers mostly ^-merous. 



(Several species of this group cannot be distinguished without the fruit.) 



Pod (where known and probably in all the species) narrow, with 



longitudinal seeds, or rarely broader with the longitudinal 



seeds along the centre. 



Phyllodia narrow-lanceolate or linear-lanceolate, rather thick. 



slightly falcate, with very fine parallel nerves, the midrib 



usually more prominent. 



loosely pubescent. Stipules conspicuous. Phvllodia not 



above 3 in. long . ........... . 24.2. A. conspersa. 



■ Glabrous or the young shoots silky-pubescent. Stipules in- 

 conspicuous. Phyllodia mostlv above 3 in. long. ^ ,. .^rulcn. 

 Eastern species. PodunknoHu', ....... . 243. ^. ^^'■^^^^''" 



