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Bentham (B. Fl. iii, 121) recognises four varieties of C. salignus, as follows:—

1. var. australis.

2. var. hebestachyus.

3. var. angustifolia.

4. var. viridiflora.

1. var. australis. Leaves usually smaller (1 to 2 inch), calyx and rhachis glabrous. Melaleuca paludosa Schlecht., Linnæa xx, 653, not of R. Br.; C. paludosus, F. Muell. Fragm. i, 14. To this belong the majority of the Victorian, Tasmanian, and South Australian specimens. (B. Fl. iii, 121).

Mueller (Fragm. iv, 55) says this form extends to New England.

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This is figured as C. paludosus F.v.M., and a full account given in my "Illustrations of New South Wales Plants," Part iii, Plate 24. It extends from South Australia and Victoria, over the greater part of New South Wales, at least as far north as the Clarence.

2. var. hebestachyus. Leaves rather small. Calyx and rhachis pubescent or villous. C. lophanthus Sweet Fl. Austral. t. 29, but not the syn. of Ventenat quoted. Victoria and Tasmania.

C. leptostachyus Sweet Fl. Austral., under n. 29, is probably a weak form of the same variety. (B. Fl. iii, 121).

Then we have —

Melaleuca pityoides F. Muell. Herb., from Buffalo Range, enumerated doubtfully under Callistemon by Miq. in Ned. Kruidk. Arch. iv, 112, must remain uncertain until the flowers are known. F. Mueller, Fragm. iv, 54, refers it to C. saligna, but the leaves are semi-terete and pungent as in Melaleuca nodosa and M. pungens; the fruits, which may be those of Melaleuca or of a Callistemon, form 4 dense cylindrical spike of about 1 inch. (loc., cit.)

This is at least in part identical with C. Sieberi DC. (C. salignus DC.) var. Sieberi F.v.M. in Fragm. iv, 54), which is figured in my Ill. N.S.W. Plants, ill, Plate 25.

Mr. E. Cheel constitutes it a variety of C. Sieberi DC, thus C. Sieberi DC, var. pityoides Cheel (=C. pityoides F.v.M. in Melbourne Chem. & Drugg. 1883, p. 3), which description is here reproduced.

Leaves short, thinly cylindrical, somewhat awl-shaped, slightly compressed or sometimes semicylindrical, soon glabrous; bracts lanceolate-linear or narrow, or somewhat ovate-lanceolar; rhachis and often also the calyces short downy; lobes of the calyx semi-ovate-roundish or some almost semi-orbicular, membranaceous, about half as long as the tube, considerably shorter than the petals, finally deciduous; stamens comparatively short; filaments pale yellowish, glabrous, about twice as long as the petals, or some three times as long; anthers yellow; style glabrous; fruits truncate-ovate, rarely depressed-globular, more or less contracted at the summit; valves silky at the surface.

Mueller goes on to say that "In its external aspect this plant resembles more the larger forms of Melaleuca ericifolia than even the smaller of Callistemon salignus, to which he was at first inclined to refer it as a form."

Bentham (B. Fl. iii, 121, 123) somewhat demurred at its being classed as a form of C. salignus, pointing to Melaleuca nodosa and M. pungens as very similar in foliage, and places it as a variety of C. brachyandrus.

I have examined Mueller's type specimens, and can scarcely separate it from some of the forms of C. Sieberi DC.

At first sight it appears to be a yellow-flowering form of C. brachyandrus, to which, as stated above, Bentham referred it, but although the leaves very closely resemble that species, it will be easily recognised through the absence of the narrow channel, characteristic of C. brachyandrus. The only character which induces me to keep this as a separate variety of C. Sieberi is the cylindrical or semi-cylindrical leaves. All the other characters are similar to those of C. Sieberi. (Cheel).

Other references are Scortechini, Proc. Linn. Soc., N.S.W., viii, 170 (1883); Cambage, op. cit., xxix, 692 (1904).

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DISTRIBUTION — Victoria. — Buffalo Range (F.v.Mueller); Ovens River (C. Falck); Bright District (J. H. Maiden).

New South Wales. — Cathcart, near Bombala (J. H. Maiden); Wallangarra Swamps (E. Betche).

Queensland. — Dumaresq River (Rev. B. Scortechini); Stanthorpe, F. M. Bailey, who also suggests that it might be placed as a variety of C. brachyandrus.

It will thus be seen that all our recorded localities are from high elevations near the Victoria — New South Wales border, and in similar situations near the New South Wales - Queensland border.

3. var. angustifolia. — Leaves lineaar-lanceolate, very rigid, almost pungent, 1 to 2 in. long. Flowers glabrous. N.W. interior of N.S.W. (A. Cunningham); New England (C. Stuart) (B. Fl. iii, 121).

Prof. Ewart informs me that there is no form under that name in the Melbourne Herbarium. I have a note that it forms much of the bank-side vegetation near the Bridge over the creek at Wollomombi (Wollomombi Creek). Straggling high shrubs 10 to 15 feet high.

Mr. Cheel thinks that "It is probably a form, if not identical with C. paludosus."

4. var. viridiflora. This is a synonym of C. viridiflorus DC., and seems a good species. It appears to be confined to Tasmania, in spite of the Gippsland reference in B. Fl. iii., 121.
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