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2. Typhonium jonesii A. Hay 
A. Hay (1993; 355) 
Several localities in addition to those in the protologue can now be cited (see below) 
for this species, which occurs sporadically but quite commonly in the Tiwi Islands. 
Proposed conservation status: 2R. 
Further specimens seen: Northern Territory, Melville Island, Hanguana Jungle, /.L. Egan & 
S. Callis 5155, 5 Dec 1995 (DNA), cult. Darwin BG Acc. No. 951021 & Hay 11003, 5 Dec 1995 
(NSW) cult. RBG Sydney Acc. No. 952463; Melville Island, 8 km W of Three Ways, Hay 11019, 
7 Dec 1995 (no voucher), cult. RBG Sydney Acc. No. 952477; Melville Island, Three Ways - Snake 
Bay Rd, Hay 11027, 8 Dec 1995 (no voucher), cult. RBG Sydney Acc. No. 952485; Bathurst Island, 
c. 10 km W of Nguiu, Hay 11040, 12 Dec 1995 (no voucher), cult. RBG Sydney Acc. No. 952497. 
3. Lazarum mirabile A. Hay 
A. Hay (1992: 430). 
Hitherto this species was known only from its Type locality at Hanguana Jungle (= 
Jump Up Jungle), Melville Island. A second population was found by Judy Egan 
(DNA) along the road from Three Ways to Snake Bay on Melville Island. A search 
on Bathurst Island failed to find this species there. 
Distribution: endemic to Melville Island. 
Habitat: occurring very sporadically in groups in open eucalypt woodland in lateritic 
and sandy soils, in patches where the leaf litter is sparse or absent, mainly near the 
bases of young Cycas plants. 
Proposed conservation status: 2R. 
Further specimens seen: Northern Territory, Melville Island, Hanguana Jungle, J.L. Egan 
5166, 6 Dec 1995 (DNA, fr.), cult. Darwin BG Acc. No. 951049 & Hay 11008, 5 Dec 1995 (no 
voucher), cult. RBG Sydney Acc. No. 952468, Hay 11011, 6 Dec 1995 (no voucher), cult. RBG 
Sydney Acc. No. 952471; Melville Island, 10 km SE of Milikapiti (Snake Bay) along road to 
Three Ways, J.L. Egan 5217, 8 Dec 1995 (DNA, fr.), cult. Darwin BG Acc. No. 951045 & Hay 
11028 (no voucher), cult. RBG Sydney Acc. No. 952486. 
4. Amended key to Typhonium in Australasia (cf. Hay 1993: 348). 
1 Pistils set (sub)perpendicular to spadix axis, plagioscopic . 4 
1* Pistils set subparallel to spadix axis, acroscopic . 2 
2 Neuter organs filiform, distributed above, below and within the female zone . 
. T. johnsonianum 
2* Neuter organs clavate to truncate, above the female zone . 3 
3 =2 in Hay 1993: 348. 
4 = 3 in Hay 1993: 348; etc. 
