32 Hardy, Distribution of Leaf Glands in Acacias. [voi!^'xxix. 



Description of Plate. 



Note. — The figures have been reduced to half-size, excepting 2, 13, 19, 

 and I OB, and are diagrammatic in detail, the glands especially having 

 been given undue prominence. 



\. A. discolor, showing one elongated petiolar gland and two (« and d) 

 developed on the prolongation of the rhachis beyond the uppermost 

 pair of pinna?, which, taken with the absence of a gland at b, point 

 to the non-production or abortion of pinna? at c. 



2. A. discolor, showing two petiolar glands. 



3. A. decurrens, var. normalis, showing suite of glands, but with a lateral 



supernumerary at one point. 



4. A. elata, with a petiolar and a sub-terminal gland. 



$. A. elata (young), petiolar gland well developed, but sub-terminal 

 gland not shown, though present immaturely. 



6. A . implexa (transitional foliage)— one gland only, near base of verti- 



cally dilated petiole. 



7. A. amcena (from specimens in National Herbarium)— i*. from Gipps- 



land, Victoria ; d, from Delegete, Victoria. 



8. A. pycnantha — a and c, from Studley Park, Kew, Victoria; b. from 



N.W. Victoria ; d and e, from specimens in National Herbarium, the 

 latter from Buchan, Victoria. 



9. A. penninervis, without oblique supra-basal nerve, and showing 



minute denticles at p. 



10. A. decora (Botanic Gardens, Melbourne), showing normally two 

 glands in a, and in b (enlarged) one gland only (rare), with oblique 

 nerve (frequent). 



11. A. alata, with gland surmounting a prominent aeroscopic angle of 

 decurrent phyllode. 



12. A. diptera (in National Herbarium), with decurrent phyllodes bearing 

 glands almost concealed in axils. 



13. yl. colletioides (in National Herbarium), natural size. 



14. A. podalyyeefolia. Botanical Gardens. 

 \$. A. stipulosa (after F. v. M.') 



16. A. stipuligera (after F. v. M.') 



17. A. pravissima, Acheron Valley, Victoria. 

 iS. A. cultriformis , cultivated, Kew, Victoria. 



19. A. dectirrens, var. mollis, side view, to show glandiferous rhachial 

 ridge. 



20. A. obtusata (in National Herbarium), with oliliquc nerve to marginal 

 gland. 



References. 



' F. V. Mueller — " Iconography of Australian Species of Acacia." 

 J. H. Maiden— " Forest Flora, New South Wales — Wattles and Wattle 

 Bark." 

 - Bentham and Mueller—" Flora Australiensis," i.S()4. 

 C. Moore and F. Bctche — " Handbook of the Flora of New Soutli 



Wales." 

 F. M. Bailey — " The Queensland Flora," 1900. 

 » J. H. Maiden — " Forest Flora, New South Wales." 

 * F. V. Mueller — " Key to the System of Victorian Plants," T.S87-S. 

 '■• Bentham and Mueller (loc. cit.) 



« .\. D. Hardy — " S. Tramp from Healesville to Buxton," \'ii/<>riaii 

 Ndlnralist, xxii. (1906), p. 163. 



