MELASTOMACE/E. LXIII. DISSOCII^TA. LXIV. APLECTRUM. LXV. TETRAZYGIA. 



783 



ochraceous dots beneath, and purplish wool. Tj . S. Java, on 

 Mount Magamendong. 



/ nr. y, tomentbsa (Blum. 1. c.) leaves densely clothed with 

 ochraceous tomentuni beneath ; panicles axillary and terminal. 

 Tj . S. Java, in the province of Bamtam. 

 Inappendiculated-tmtheied Dissochseta. Sh. sarmentose. 



11 D. RETICULA'TA (Blum. 1. c.) leaves 3-nerved, besides the 

 2 marginal nervules, ovate-oblong, acuminated, rounded at the 

 base, or somewhat cordate, reticulated beneath and covered with 

 ochraceous dots ; panicles terminal ; calyx almost quite entire ; 

 anthers fixed by the back, furnished with somewhat rhomboid, 

 inappendiculate connectives. >> . S. Native of Java, in woods, 

 on the mountains in the province of Bamtam. 



Reticulated-]e&ved Dissochaeta. Shrub sarmentose. 



12 D. SAGITTA'TA (Blum. 1. c. p. 500.) leaves 3-nerved, 

 besides the lateral nervules, oblong or oblong-lanceolate, cuspi- 

 date, rounded at the base, clothed with rusty tomcntum beneath ; 

 panicles axillary and terminal ; calyx 4-toothed ; anthers fixed 

 by the base, having their connectives sagittate or furnished with 

 2 short bristles each. Tj . S. Native of Java, in shady woods, 

 in the province of Bamtam. 



Sagittate-connectived Dissochaeta. Sh. sarmentose. 



* Flowers octandrous, with all the anthers fertile. 



13 D. PA'LLIDA (Blum. 1. c.) leaves 5-nerved, ovate, acumin- 

 ated, somewhat cordate at the base, beset with scattered stellate 

 scales ; panicles axillary and terminal ; anthers fixed above the 

 base, with their connectives furnished with 2 bristles each. J? . S. 

 Native of the Malay islands. Melastoma pallida, Jack, in Lin. 

 trans. 14. p. 12. Flowers white. 



Pale Dissochaeta. Shrub sarmentose. 



14? D. NEMOROSA; shrub clothed with rusty villi ; leaves 

 ovate-lanceolate, 5-nerved ; peduncles axillary, usually solitary ; 

 stamens unequal ; anthers sessile, furnished with 2 bristles at 

 the base, and with fringed appendages in front ; fruit 4-celled. 

 fj . S. Native of Sumatra and Pulo-Nias. Flowers large, 

 flesh-coloured. 



Grove Dissocheeta. Shrub 2 feet. 



in woods, on the higher mountains, where it is called by the 

 natives Tjalunt-jung-aroy. Flowers as well as berries blue. 



Blue-fruited Dissochaeta. Shrub sarmentose. 



Cult. For culture and propagation see Melastoma, p. 761. 

 The species are all elegant when in flower. 



SECT. II. DIPLE'CTRI^S (from me, dis, twice, and 

 plectron, a spur ; in reference to the anthers being furnished 

 with 2 auricles or 2 spurs behind). Blum, in hot. zeit. 1831. 

 no. 29. p. 501. Limb of calyx cylindrical, truncate, continuous 

 with the tube. Anthers fixed by the base, curled in front, and 

 furnished with 2 short auricles behind. Ovarium glabrous at 

 the apex. 



15 D. IHVARICA'TA ; leaves 3-nerved, ovate, acute, downy 

 beneath, glabrous and shining in front ; branches clothed with 

 rusty tomentum ; panicles terminal, divaricate ; calyx urceolate, 

 truncate, and is as well as the peduncles tomentose ; anthers 

 almost sessile. Tj . S. Native of the East Indies. Melastoma 

 divaricatum, Willd. spec. 2. p. 596. Berry about the size of a 

 grain of pepper. 



JJivaricate-pamcleA Dissochaeta. Shrub sarmentose. 



16 D. GLAU'CA (Blum, in bot. zeit. 1831. no. 29. p. 501.) 

 leaves 3-nerved, besides the 2 marginal nervules, oblong, cor- 

 date, bluntly acuminated, clothed with scurfy, stellate down 

 beneath as well as the branchlets, and panicles which are ter- 

 minal ; stamens 6-8, 4 of which are only fertile. ^ . S. Na- 

 tive of Pulo Penang and of Java. Melastoma glauca, Jack, in 

 Lin. trans. 14. p. 15. Flowers pale blue. 



Glaucous Dissochaeta. Shrub sarmentose. 



17 D. CYANOCA'RPA (Blum. 1. c.) branchlets and petioles beset 

 with scattered simple bristles ; leaves 3-nerved, besides the 2 

 marginal nervules, ovate-oblong, acuminated, cordate at the base ; 

 stamens 8, the 4 alternate ones barren. ^ S. Native of Java, 



LXIV. APLE'CTRUM (a, priv. and wX^rpov, plectron, a 

 spur ; anthers without spurs or connectives). Blum, in bot. 

 zeit. 1831. no. 29. p. 502. 



LIN. SYST. Octandria, Monogijnia. Tube of calyx ovate- 

 globose, adhering to the ovarium ; limb drawn out beyond 

 the ovarium, truncate, or obsoletely 4-toothed. Petals 4, ovate, 

 acute, or bluntish. Stamens 8, the 4 alternate ones sterile. 

 Anthers ovate, obtuse at both ends, opening by 1 pore at the 

 apex, inappendiculate at the base. Ovarium glabrous, crowned 

 by 4 crests. Style filiform ; stigma a pruinose dot. Berry 

 nearly globose, crowned by the calyx, 4-celled, many-seeded. 

 Seeds cuneiform. Sarmentose smoothish shrubs, with the habit 

 of DissochcB'ta. Leaves petiolate, elliptic-oblong, quite entire, 

 5-nerved. Inflorescence panicled, axillary, and terminal. Flowers 

 small, white. 



1 A. VIMINA'LE (Blum. 1. c.) leaves 5-nerved, cordate-oblong, 

 or ovate, bluntly acuminated, clothed with stellate down be- 

 neath ; panicles trichotomous, axillary, and terminal ; bracteas 

 oblong, ciliated ; petioles furnished with 1 or 2 bristles. Pj . S. 

 Native of Java and Sumatra, in shady places. Melastoma vimi- 

 nule, Jack, in Lin. trans. 14. p. 16. Blum, bijdr. p. 1073. 



Trviggy Aplectrum. Shrub sarmentose. 



2 A. ROSTRA'TUM (Blum. 1. c.) leaves 3-nerved, besides the 2 

 marginal nervules, ovate-oblong, each ending in a long blunt 

 acumen, rounded at the base, glabrous ; racemes axillary and 

 terminal, almost simple ; bracteas oval, ciliated ; petioles often 

 bristly. Tj . S. Native of Java, on the mountains of Seribu. 

 Melastoma rostratum, Blum, bijdr. p. 1074. 



Beaked Aplectrum. Shrub sarmentose. 



3 A. STIPULATE (Blum. 1. c. p. 505.) leaves 5-nerved, ovate- 

 oblong, bluntly acuminated, somewhat cordate at the base, gla- 

 brous ; panicle terminal, corymbose ; bracteas linear ; petioles 

 bristly. I? . S. Native of Java, on the mountains of Salak. 

 Melastoma stipulare, Blum, bijdr. p. 1075. 



Slipular Aplectrum. Shrub sarmentose. 



Cult. For culture and propagation see Melastoma, p. 764. 



LXV. TETRAZY'GIA (from rirpa, tetra, four, and fvyoc, 

 zugos, a yoke ; in reference to the quaternary number of the 

 parts of the flower). Rich. herb. D. C. prod. 3. p. 172. 



LIN. SYST. Telra-Octandria, Monogynia. Tube of calyx 

 globose or urceolate ; limb drawn out beyond the ovarium, 

 permanent, with 4 short teeth. Petals 4, obovate. Stamens 

 4-8, equal. Anthers linear, obtuse at the base, opening by a 

 pore at the apex. Ovarium glabrous. Style filiform. Stigma 

 dot-formed. Capsule baccate, 4-celled. Seeds numerous, cu- 

 ncated, angular, shining, with a linear hylum. West Indian 

 shrubs, with the branches, petioles, and under side of leaves 

 scurfy or lepidotted. Leaves ovate or oblong, discoloured be- 

 neath, 3-nerved, petiolate. Cyme trichotomous, terminal. 

 Flowers white, bractless. 



SECT. I. TETRASTE'MON (from rerpa, telra, four, and 

 stemon, a stamen; stamens 4.). D. C. prod. 3. p. 172. Sta- 

 mens 4. Thyrse panicle-formed. Perhaps this section is suffi- 

 cient to constitute a new genus. 



1 T. TETRA'NDRIA (D. C. prod. 3. p. 172.) branchlets tetra- 

 gonal, glabrous, and are as well as the petioles rusty ; leaves 

 petiolate, oblong, obtuse, somewhat cordate at the base, acute at 

 the apex, with revolute quite entire margins, 3-nerved, clothed 



