2l4 XXiX. HtJTACEJS. [Atatantia. 



trees, unarmed or thorny. Leaves simple, coriaceous. Flowers in axillary 

 clusters or short racemes or small cymose panicles, occasionally solitary. Fruits 

 usually larger than in the preceding genera. 



The genus is dispersed over tropical Asia. The Australian species are both endemic ; one, 

 however, is in some measure doubtful, the flowers being unknown, and the other is slightly- 

 anomalous in character, though congener in essential points and habit. The genus, in the 

 increased number of stamens of two species, and in the inflorescence, fruits, and seeds, connects 

 ; the anomalous Citrus with the rest of the tribe. — Benth. 



Leaves narrow. Spines straight or incurved. Pedicels clustered in the axils of 



the leaves . . 1. A. glauca. 



Leaves ovate. Spines mostly recurved. Eacemes short, axillary or terminal . 2. A. recurva. 



1. A., glauca (glaucous), Hook, f., in Benth. ami Hook. Gen. PI. 306 ; Bentli. 

 Fl. Austr. i. 370. Native Kumquat. A rigid glaucous shrub of 2 or 3ft ., often 

 armed with straight or incurved axillary spines of fin.' or und^, the young shoots 

 whitish with a very minute pubescence. Leaves oblong-linear or slightly cuneate, 

 very obtuse or emarginate, mostly 1 to Ifin. long, thick, rigid, veinless, narrowed 

 into a short petiole ; those on the barren shqpts sometimes marked with a few 

 coarse crenatures. Flowers usually 2 or Biogether in the axils, on pedicels of 1 

 to 2 lines. Sepals 3 or 4, short and broad. Petals 3 or more frequently 4, 

 obovate or broadly oblong, 2 tp 2f lines long, thin, concave, much imbricate. 

 Stamens 8 to 12, or sometimes more, the filaments often slightly united at the 

 base. Disk thick, annular. Ovary 4 or 5-celled, with 1 or occasionally 2 

 superposed ovules, in each cell. Style rather thick. Berry globular, about ^m. 

 diameter. Seeds 3 or 4, obovoid, slightly compressed ; cotyledons slightly fleshy, 

 but not thici. — Triphasia rjlauca, Lindl. in Mitch. Trop. Austr. 353 ; Oliv. in 

 Journ. .Linn. Soc. v. Suppl. 26. 



HSb.: Broadsound, ii. i3rotcm; Maranoa River, Mitchell; Suttor and Burdekiu Rivers, !<'. «. 

 Mueller ; Port Denison, Fitzalan. 



The species, although anomalous in some respects, has the foliage and inflorescence of 

 Atalantia, and is allied in several respects to A. Hindsii, Oliv., approaching like that species to 

 Citrus in the increased number of stamens. — Benth. 



— — ^J2aod of a bright-yellow, with numerous brown streaks or veins, close-grained, and easily 

 worked . Fruit useful for making preserves. — Bailey's Cat. Ql. Woods No. 54. 



2. A. (?) recurva (recurved), Benth. Fl. Amtr. i. 370. Glabrous, armed 

 with axillary spines, very spreading or recurved. Leaves broadly ovate, obovate 

 or elliptical, mostly very obtuse, 1| to 2-fin. long, coriaceous, on petioles of 1 to 

 3 lines. Eacemes axillary, sometimes 2 together, f to lin. long, or terminal and 

 slightly branched. Pedicels very short. Calyx minute, 3 or rarely 4-lobed. 

 Petals and stamens not seen. Berries globular, either 1 -seeded and 3 or 4 lines 

 diameter, or 2-seeded and larger. 



Hab.: Islands of the Gulf of Carpentaria, R. Brown (Hb. R. Br.) 



The flowers are wanting to determine absolutely the affinities of this species. R. Brown's 

 specimens are, however, in very good fruit. Allan Cunningham's are in leaf only, with some 

 remains of the inflorescence and calyx. — Benth. 



26. CITRUS, Linn. 

 (From the Greek name Kitron.) 

 Calyx 3 to 5-lobed. Petals 4 to 8, thick, imbricate in the bud. Stamens 

 indefinite, usually numerous, filaments flattened at the base and variously connate, 

 anthers oblong. Disk large, cupular or annular. Ovary of 6 or more cells ; style 

 deciduous, with a capitate lobed stigma ; ovules 4 to 8 in each cell, in 2 'rows. 

 Berry globular or oblong, with a thickened rind, several-celled, with thin dissepi- 

 ments, the cells more or less filled with transverse pulpy cellules. Seeds with a 



