20S XXIX. RUTACE^. [Pleiococca. 



1. P. Wilcoxiana (after J. Wilcox), F. v. M. Fragm. ix. 117. So far as 

 observed a small tree. Branchlets stout, deep green. Leaves of a single leaflet, 

 on a petiole of about lin., 6 to 8in. long, 2|- to 3^in. broad, oblong, obtuse or 

 abruptly acuminate at the apex, and slightly cordate at the base, coriaceous and 

 glossy, the primary nerves thread-like, but as well as the reticulate veinlets 

 prominent, especially in the dry leaf. Flower cyme in the upper axils often 

 reduced to a slender racemose panicle. Pedicels about 8 lines long, enlarging 

 upwards. Fruit globular in outline, about fin. diameter, composed of from 5 to 

 9 white, fleshy, sharply acid and juicy carpels attached only by the inner angle to 

 the axis, free above and connivent at the apex, the base of each carpel shortly 

 prolonged below the attachment in the form of a short blunt spur. Seeds 1 or 2 

 in each carpel, flattish, reniform, tuberculous, blackish. 



Hab.T Scrubs about Eumundi. 



19. ACRONYCHIA, Forst. 



(Referring to the hooked tips of petals.) 



(Cyminosma, Gcertn.) 



Flowers polygamous. Calyx 4-lobed. 'Petals 4, valvate. Torus thick. Stamens 



8 ; filaments subulate. Ovary 4-celled ; style terminal ; stigma entire or 



obscurely 4-lobed, ovules 2 in each cell, superposed. Fruit 4-celled, usually 



succulent, with a coriaceous or hard endocarp, opening loculicidally, or drupaceous 



and indehiscent. Seeds usually solitary in each cell, with a crustaceous black 



testa ; albumen fleshy ; embryo straight ; cotyledons oblong. — Trees or shrubs. 



Leaves opposite or alternate, 1-foliolate. Flowers white or yellowish, in axillary 



or rarely terminal small panicles or loose cymes. 



The genus extends over tropical Asia and the islands of the S. Pacific, to New Caledonia and 

 New Zealand. Of the Australian species, one is also found in New Caledonia, the six others are 

 endemic. — Benth. (in part). 

 Petioles often long. 

 Flowers minutely tomentose, in short oblong panicles. Petals ovate. 



Fruit 4-seeded . . . ... 1. A. Baueri. 



Petioles lin. long. 

 Leaves 3 to 7in. long. 



Fruit oval, Jin. long, 1-seeded . . 2. A. tetrandra. 



Flowers glabrous, in axillary 3-chotomous cymes. Petals narrow. 

 Leases thin and scarcely coriaceous. Fruit 4-angled, depressed on 



the summit . . 3. ^. Icevis. 



Leaves very coriaceous. Fruit obovoid-globular i. A. imperfmata. 



Leaves 3-foliolate. Fruit yellow, 4-seeded .5. A.melicopoides. 



Fruit reddish, about Jin. diameter, juicy, acid . . . 6. A. Scortechinii. 



Branchlets hirsute. Leaves often large. 



Fruit white, epioarp acid, large, irregularly corrugated T. A. vestita. 



1. A.. Baueri (after F. Bauer), Schott Fragm. Rut. t. 3 ; Benth. Fl. Aiintr. i. 

 366. A small or moderate-sized tree, glabrous or the young shoots or inflorescence 

 minutely hoary-tomentose. Leaves opposite, of a single leaflet, on a rather long 

 petiole, ovate, elliptical or obovate, obtuse or very shortly and obtusely acuminate, 

 narrowed at the base, 3 to 4 or very rarely Sin. long, thinly coriaceous. Panicles 

 axillary, oblong, the side branches and pedicels very short, sometimes reduced to 

 a small spike. Flowers small, not numerous. Sepals very broad, short, ciliate. 

 Petals ovate, valvate with inflexed tips, minutely pubescent outside, 1 to 1-J- line 

 long. Filaments thin, dilated, and ciliate to above the middle. Ovary pubescent ; 

 style pubescent, short, with a rather large stigma. Fruit nearly globular or 

 4-angled, obtuse or shortly acuminate, |in. diameter or rather smaller, not very 

 succulent. Testa of the seeds hard and bony. — A. Hillii, F. v. M. Fragm. i. 26. 



Hab.: Northumberland Islands andEiohmond district, R. Brown ; Moreton Bay and Brisbane 

 Eiver, A. Gunninghavi, P. Mueller, and others ; Five Islands, A. Cunningham. 



Wood of a uniform yellow, or sometimes darker towards the heart, rather hard and close- 

 grained. — Bailey's Cut. (Jl. Jrooda S'o. 49, 



