126 THE IXOEA OF THE NORTHERN TERRITORY. 



Series VIII. Juliflorae. — ^Phyllodia vertically flattened or in a few species 

 terete, several-nerved or rarely 1-nerved, obtuse acute or pointed, rarely slightly 

 pungent. Flowers in cylindrical dense or interrupted spikes, rarely, when 

 sessile, shortly oblong. 



A. Rigidulce. — Phyllodia flat, often short, straight oblique or shortly 

 falcate. Spikes dense (except A. megalantha). Flowers 5-merous. 

 Phyllodia small, rarely above |-in. long, undulate. 



Phyllodia mostly clustered, narrow, 2 to 4 lines long. Spikes. 



sessile. Sepals free. — 1. A. amentifera. 

 Phyllodia broad, about J-in. long. Spikes pedunculate. Calyx 

 sinuate-toothed. Seeds oblique. — 70. A. Wickhami. 



Phyllodia narrow, obtuse with a short point, \ to 1 J in. long. 



Phyllodia obscurely 3 to 5-nerved. Pod 3 to 6 hues broad. Seeds 



oblique. — 38. A. lysiphloia. 

 Phyllodia obscurely 1-nerved. Pod 1| lines broad. Seeds longitudi- 

 nal. — A. linarioides. 



Phyllodia rather broad, coriaceous, mostly 1 to 3 in. long. ; rarely 4 in., 

 obtuse or with a glandular callous point, straight oblique or shortly falcate. 



Tomentose or pubescent. Stipules conspicuous. Phyllodia 1 to 2 in. 

 long, 2 to 4-nerved, with anastomosing veins. Pod narrow. — 

 62. A. stipuhgera. 



Resinous. Phyllodia 1 to 1| in. long, 5 to 9-nerved, without inter- 

 mediate veins. — 50. A. ptychophylla. 



Glabrous, except the young shoots. Phyllodia obliquely narrowed 

 at both ends, somewhat undulate, with a terminal gland often 

 large. 



Phyllodia finely 3 to 5-nerved. Spikes pedunculate. Buds very 

 striate. Calyx sinuate-toothed. — 61. A. stigmatophylla. 



Phyllodia very coriaceoug, 5 to 9-nerved. Spikes sessile. Pod 

 terete, turgid. Seeds oblique. — 69. A. umbellata. 



Phyllodia finely 3 to 5-nerved. Spikes pedunculate. Buds 

 smooth. Calyx deeply lobed. — 33. A. leptophleba. 



Phyllodia broadly oblong-falcate, obtuse or with a hooked callous point, 

 very coriaceous. 



Spikes dense. Flowers not 1 line long. Pod flat. Seeds obhque. — 



34. A. limbata. 

 Spikes interrupted. Flowers 2 lines long. — 39. A. megalantha. 



Phyllodia nearly straight, coriaceous, obtuse, 3 to 4 in. long. Pod narrow. 

 Seeds longitudinal. — ^23. A. gonoclada. 



B. StenophyllcB. — Phyllodia linear-subulate or narrow-hnear, straight or 

 slightly curved, terete or flat but thick, rarely under 2 in. long or above 1 J hues 

 broad. Spikes dense, short or slender, with small 5-merous, or in terete-leaved 

 species often 4-merous flowers. 



Phyllodia terete or scarcely flattened, very finely striate under a lens. — 

 47. A. pityoides. 



Phyllodia terete, nerveless or obscurely 1-nerved. Calyx lobed. — 

 71. A. xylocarpa. 



Phyllodia very narrow but flat, 1-nerved. Sepals free. — 22. A. gono- 

 carpa. 



Phyllodia flat but thick, prominently 3 or 5-nerved. — 19. A. drepano- 

 carpa. 



Phyllodia flat, minutely striate under a lens. — 2. A. arida. 



