NOTES AND EXHIBITS. 487 



carpel. In a second example, an extra, perfect carpel has been 

 produced, containing a fertile seed. — Pel argo7iiu77i {G e^-anium) 

 Hort., (Ermington ; Miss M, Flockton ; July, 1915) showing 

 fission of the stem An unusual acceleration of the growth of 

 the plant has caused fission, the stem separating into a number 

 of abbreviated branches. The inability of the plant to sustain 

 these multiple stems resulted in a much reduced length of their 

 internodal spaces, the prolification of their apices by dwarfed 

 shoots bearing miniature leaves, and their generally attenuated 

 growth. Strise indicative of fasciation are absent. — Pe^soonia 

 myrtilloides Sieb., showing the effect of environment on the 

 foliage. Plants growing under luxuriant conditions at Leura 

 (Leura Falls), have broad, comparatively soft leaves; an example 

 from Mt. Victoria (Fairy Bower), was growing in the shade of 

 closely packed, brush trees, and has elongated leaves; a specimen 

 from Newnes Junction, growing on a dry ridge, has the small, 

 harsh leaves of the xerophyte. It was noted that plants of this 

 species, on the higher elevations of the Blue Mountains, remained 

 green and apparently unscathed, after a bush fire had passed 

 through, and devastated the surrounding vegetation. — Lomatia 

 longi/olia R.Jjr.,{Sipvingwood; A. A. Hamilton; September, 1914) 

 showing leaf-variation. The leaves range from 1-9 inches long, 

 with acuminate, acute, obtuse, emarginate to bifid apices, and are 

 either gradually, or abruptly, narrowed into the petiole at the base- 

 the petiole is from nearly sessile to 1 inch long; the margins are 

 from almost entire to deeply toothed, and there is a considerable 

 divergence shown in the relative proportion of length to breadth. 

 — Angophora cordifolia Cav., (National Park; A. A. Hamilton; 

 August, 1914); showing leaf- variation, from oblong to rotund, 

 with obtuse to obovate apices, and cordate to reniform bases, the 

 margins of the oblong leaves occasionally exhibiting constriction 

 immediately above the base, similar to that shown by the "Fiddle 

 J)ock^\Rumex jndcher Linn.). — Persooniaferruginea 8m., (Cook's 

 River; A. A. Hamilton; December, 1914); leaf- variation is ex- 

 hibited by this species, from oblong-lanceolate to rotund, apices 

 acute, obtuse, obovate to orbicular, and ranging from 1-5 inches 

 long. Some measurements are: — 4 x 2|, 3^ x -|, 3x2, 3 x | inch. 



