122 XII. P1TT0SP0RE.E. [Citriobatas, 



small pointed or prickly teeth, rather thiii, green and glabrous on both sides. 

 T'lowers about 2 lines long, always solitary in the axils, and not very nume- 

 rous on the bush, notwithstanding the specific name. Ovary pubescent, with 

 2 parietal placentae, and 8 to 13 ovules to each. Berry 2 to 5 lines diameter, 

 containing from tAvo to above a dozen seeds which are not viscid. 



Queensland. Brisbane river, A. Ciinnivghmn, F. Mueller, 



N. S- Wales. Damp sliaJy woods and bushy places, Port Jackson to the Blue Moun- 

 tains, A. Cunningham and others; northward to the Macleay, Llastiugs, and Clarence rivers, 

 Beckler ; southward to lUawarra, A. Cunningham and others. 



3. C. pauciflorus, A. Cumi. in Loud. Ilort. Brit. SuppL 585 {name 

 only), — Habit of C. midliflorus, but stouter and more rigid, the branches 

 similarly rough, with a minute pubescence, and thorny. Leaves from obovate 

 to cuneate-oblong, rarely orbicular, mostly entire and obtuse, but occasionally 

 mucronate or truncate and 3-toothed, rarely exceeding \ in. in length, often 

 petiolate and more rigid than in C. multijlonfs. Flowers larger than in that 

 species, the petals 4 to 5 lines long, united into a complete tube to i of then- 

 length. Ovary pubescent, with 5 parietal placentas, covered with innumera- 

 ble minute ovules. Siyle longer than in C. muUiflorns. Fruit attaining 1 

 to 1^ in, diameter, with a thick coriaceous pericarp. Seeds numerous, m a j 



viscid pulp. — IxioHporas spinescens, "P. ^MuelL Fragm. Thyt. Austr. ii. 76. 



. Australia. Careenlnp; Bay, N.W. coast, A. Cimninghaai. 

 ■ Queensland. E. corist, R. Brown; in the scrub on the Fitzroj river, Thoxet ; near 

 the Dawson river, F. Mueller ; Castor creek, Leichhardt. 



Cunningham's specimen, in leaf with the remains of a frnit, is not authentically naineu, 

 tut there is little reason to doubt its being the one he had in view. There are, also, in the 

 Hookerian and in ^Iueller*s herbaria specimens in leaf only, which may prove to be one, or 

 perhaps two, additional species of Citriobatus, but they are'insufficient for determiiiatioQ. 



6. BILLARDIERA, Sm. 



Petals connivent or cohering iu a tube to above the middle, spreading at 

 the top. Anthers oblong or ovate, shorter than the filaments. Ovary sessile 

 or nearly so, completely or rarely impcrfeetly 2-celled, glabrous or pubescent. 

 "Fruit succulent or fleshy ami indehiscent, ovoid or oblong. Seeds ovoid, re- 

 niform or globular, often enveloped in a viscid pulp. — Undershrubs, with the 

 branches usually twining. Leaves entire or sinuate. Flowers greenish-yel- 

 low, piu-ple or rarely blue, either solitary or clustered and pendulous, or in ter- 

 niinal cymes and erect. 



The genua is limited to Australia. It differs from Marianihns onlv in the haccate not 

 capsular fruit. ^ The solitary pendulous flowers, frequent in Blllardiera, are only in one 

 species of Mariantlms. 



rediccls solitaiy, or rarely 2 or 3 toi^ether. 



Petals elongated, slightly spreadiu^r at the top. Style lon^^ and 



filiform. Eerry tur<>:ld, 1-celkd °. . ^, B. long'^fiora. 



Petals spreading fi'om above the middle. Style short. Berry 

 oblong, 2-cclled. 



Leaves ovate, linear, or rarely ovate-lanceolate, mostly wavy on 



the margin %. B. scandens. 



Leaves oval or elliptical-ohlong, coriaceons, not wavy. • 



Glabrous. Flowers solitary or very fi:w 3. J5. coriacea. 



( 



I 



