6i4 xciv. APOCTKACEj;. (J. D. Hooker.) [Dyera. 



the left. Stamens 5, in the middle of the tuhe, included, filaments very 

 short ; anthers ohlong, obtuse, upper half empty fleshy, base obtusely 2-lobed. 

 Disc annular, obscure. Ovary short, broadly conic, obtuse, top pubescent, 

 2-celled, cells many-ovuled ; style 0, stigma 2-cleft, minute, sessile, pyi'iform, 

 lobes appressed. Follicles very large long thick, straight, cylindric, obtuse, 

 connate at the base, reflexed, fnrfuraceous. Seeds (unripe) flattened, winged. — 

 Species 3, Malayan. 



1. 2>. costulata, Hooh. f. ; leaves rounded at the base, cymes shortly 

 peduncled, corolla-lobes about as long as the tube. Alstonia ? costulata, 

 Miguel Fl. Ind. Bat. Suppl. 556. 



IIalacca; Grijiih, Mainga^ (Kew J)istrih. 1007). — Disteib. Sumatra. 



A tree ; branches very stout. Leaves 6-8 in a whorl, 2-4 by 1^-3 in., broadly 

 elliptic or oblong, rounded at both ends, hard and coriaceous, shining above, glaucous 

 beneath; nerves 12-16 pairs, strong, nearly straight, almost horizontal or ascending, 

 reticulations prominent above ; petiole ^-1 in. Cymes numerous, twice umbellately 

 branched, gUbrous ; peduncles 2-3 in. ; pedicels short ; flowers very small. Calyx- 

 lobes rounded, coriaceous. Corolla-tube Jj in. long, glabrous, lobes liaear-oblong. 

 Follicles 9-12 by 1-1|- in., " covered with minute crenated ferruginous squamulse " 

 {Maingay). — A most remarkable plant, evidently allied to Alstonia, though from the 

 seeds being imperfectly known, its exact affinity cannot be stated. The hnge follicles 

 are borne on a woody peduncle nearly ^ in. diam., their bases are entirely connate, and 

 though quite straight . they are sharply deflexed, when ripe they gape wide, and the 

 inner shining parchment-like cost becomes irregularly torn, forming a fringe to the 

 coriaceous outer. An allied species from Borneo, collected by Low, Lobb, and 

 Beccari, has longer leaves (6-9 by 1-2 in.) with the base narrowed into the petiole 

 and numerous (20-30) pairs of nen'es. — All the species are said to yield gutta Jelatong. 



2. D. laxiflora, Hook. f. ; leaves narrowed to the rounded or subacute 

 base, cymes long peduncled, corolla-lobes four times as long as the tube. 



SiNGAPOHE ; Murton, Cantley. 



Closely allied to D. costulata, but with much larger leaves, sometimes 8 in long, 

 petioles 1^-2 in. Peduncles of cyme very slender, 3-5 in., pedicels ^-| in. Corotla- 

 labes linear, ^ in. long. 



18. KOIiARRXZENA, Br. 



Trees or shrubs. Leaves opposite, membranous. Flowei-s white, in terminal 

 or subaxillary many-flowered corymbose cymes. Calyx 5-lobed or -partite, 

 iisually glandular within, lobes email. Corolla salver-shaped, tube slender 

 cylindric, throat contracted naked ; lobes oblong, overlapping to the left. 

 Stamens near the base of the tube ; anthers oblong-lanceolate, mucronate, cells 

 rounded at the base. Disc 0. Carpels 2, distinct ; style short, filiform, stigma 

 oblong-fusiform, top entire or 2-toothed ; ovules many in each carpel. Follicles 

 2, elongate, spreading and incurved, terete. Seeds linear or oblong, compressed, 

 concave, tipped with a deciduous coma ; funicle in the concavity, albumen 

 scanty; cotyledons broad, complicate, radicle short, superior. — Disirib. Species 

 7 or 8, tropical Asiatic and African. 



1. H. antidysenterica, Wall. Cat. 1672 ; glabrous pubescent or to- 

 mentose, leaves shortly petioled elliptic oblong ovate or ovate-oblong obtusely 

 acuminate. A. DC. Prodr. viii. 413; Brand. Far. Fl. 326, t. 40; Bedd. Fl. 

 Si/li). Anal. Gen. xx. fig. 6 ; Kurz For. Fl. ii. 182 ; Dalz. §■ Oibs. Bomh. Fl. 145; 

 Beddome For. Fl. Anal. Gen. 160, t. 20, fig. 6. II. Codaga, G. Don Gen. Syst. 

 iv. 78 ; A. DC. I. c. ; Kurz For. Fl. ii. 183 ; Wight Ic. 1297. II. pubescens. 

 Wall. Cat. 1673 ; A. DC. I. c. H. malaccensis, Wight Ic. t. 1298. Echites 

 antidysenterica, Boxb. "Wrightia antidysenterica, Grah. Cat. Bomb. I'l. 114, 

 e.vcl. some syns. Ohonemorpha? antidysenterica, G. Don I.e.; Wight Ic. t. 



