66 
of 3 segments, outer one greenisli, inner ones white and tomentose, 
infolding the solitary stamen, of which the filament is short and the 
anther large and bright-yellow ; ovary woolly ; style glabrous, about 
as long as the perianth ; stigma minute ; capsule 3-lobed, containing 
numerous oblong or oblong-cuneate seeds. 
It is most probable, wlien Sub-Inspector Johnstone mentions finding the Lord 
Howe's Island Morcea Rohinsoniana on the part of Bellenden-Ker visited by Mr. 
W. Hill and him in November, 1873, that this Helmholtzia is the plant referred to, 
as one might mistake the foliage of the one for the other when only casually 
examined. 
Order COMMELYNACEiE. 
COMMELYNA, Linn. 
C. Cyanea, B. Br.; Prod.; El. Austr. vii. 84. Spider-wort. 1. 
C. lanceolata, B. Br. ; Prod. ; PI. Austr. vii. 84. 7. 
ANEILEMA, E. Br. 
A. acuminatum, B. Br. ; Prod. ; PL Austr. vii. 85. 7. 
POLLIA, Thunb. 
P. macrophylla, Benth. ; PI. Austr. vii. 90. 1, 5, 7. 
XEROXES, Banks. 
X:» lOngifolia, B. Br. ; Prod. ; PI. Austr. vii. 97. 1, 2, 3, 7. 
Order JUNCACE^. 
XANTHORRH^A, Sm. 
X. a-rborea, B. Br.; Prod. ; Pi. Austr. vii. 115. G-rass-tree. 7. 
X, quadrangfulata, F. v. M. ; Pragm. iv. ill ; PL Austr. vii. 117. 
7. Walsh's Pyramid, Mulgrave Eiver. 
CALAMUS, Linn. 
C. australis, Mart. ; Hist. Nat. Palm. iii. 342 ; PI. Austr. vii. 
134. Large Lawyer Cane. 1, 5, 7. 
C. Caryotoides, Mart. ; Hist. Nat. Palm. iii. 338 ; PL Austr. vii. 
135. Small Lawyer Cane. 1, 2, 3, 5, 7. 
Order PALMjE. 
BACULARIA, P. v. M. 
B. monOStachya, F. v. M. ; Pragm. vii. 103 ; PL Austr. vii. 136. 
Midgeen Cane. 1, 2. 
B. minor, F.v.M.; Pragm. viii. 235; PL Austr. vii. 137. 2,3. 
This is a very slender palm, 3 to 6 feet high ; the stem not exceeding 
\ in. in thickness. The leaves have numerous narrow segments, about 
16, the upper one not at all or very little broader than the others ; 
the inflorescence very slender erect spikes amongst the leaves ; fruit 
cylindric. 
