AXanthorrhea.] CXXXII. JUNCACER. 113 
drical spike of numerous — flowers, closely —À with numerous 
braeteoles surrounding each flower within a small or subulate sub- 
tending bract. Caudex in ice species Siti à poe dark or 
yellow resinous gum 
The genus is limited to Australia, where under the name of ‘ egeris or‘ black- 
boys’ some of the species form a conspicuous feature in the landsca 
Inner p with obovate or orbicular white 
laminze cuously spreading above the icem ones. 
Spikes short maas 8in.).  Caudex very s 
ciara r perianth-segments glabrous. eee 
sue ^ed Lin. jc od Inner ae -segments 
5 lines ms twice as lon 1. X. macronema. 
ied or Hte lines diameter. Inner perianth-segmonts 
abou ong . 
Bracts and My Serien acemenis tipped with a dark 
vd pubescen e pe s 3. X. gracilis. 
ner perianth- hortly dilated hyaline ‘or 
whitish. as, ons "itte ges ihan the outer and 
scarcely spreading. 
Tene much flat 
2. X. minor. 
tened, narrow. iam under 1 ft., spike 
Lea lin.long . 4. X. pumilio. 
ves much flattened and most] y 2 to 3 lines broad 
agi b towards the point). Spike 2 to 6 ft. long. 
Spike - nsely Sn Payee: ities ex "Y 
5. X. hastilis. 
Spike iim or ‘nearly so 
Bra e em obtusely spa athulate or scarcely & 
Caudex aen nt. Eastern Species 6. X. arborea. 
firacioclóe- much acumina Caudex very short. ` 
ls Southern species . 
ves ] to Arch d 2 lines broad, the dorsal angle usually 
m s and the facial one sometimes acutely prominent. 
bending bracts ks subulate points very prominent 
7. X. semiplana. 
ws b ke. 
Ganie very sh sp Spike usually under 1 ft. ap 8. X. bracteata. 
€ "ds P ice Mice Spike usually 2 
S 9. X. australis. 
ubtending bracts concealed. under the practeoles and 
perianth. Caudex usually arborescent. Spike 
Scape usually spa than the spike. Southern 
species 10. X. quadrangulata. 
e aly not 80 Jong as the > spiko. Western 
11. X. Preissii. 
p macronema, F. Muell. Fragm. iv. 112.—Caudex not seen. 
above 1 ft narrow nearly flat or sentry peri 2 to3 ft. long. Seapes 
