MELASTOMACE^E. LXV. TETRAZYCIA. LXVI. HETEROTRICHUM. 



784 



with small, lepidotted down beneath as well as on the peduncles 

 and calyxes ; thyrse panicled, many-flowered ^ .is. : ' < 

 of Jamaica, on the highest mountains, and of Guada bupe. 

 Melastoma tetrandra, Swartz, fl. ind. occ. p. 795. hu! . < 

 M. tetmndrum of Spreng. syst. Flowers small, *ln, 

 trandrous. 



Tetrandrous Tetrazygia. Shrub 3 to 6 feet. 



SECT. II. OCTOSTE'MON (from o^.octo, eight, aiid 

 cfemon, a stamen ; stamens 8.)- D. C. prod. 3. p. 172. Sta- 

 mens 8. Thyrse corymb-formed. 



T. DECOLOR (D. C. prod. 3. p. 172.) branches bluntly 

 tetragonal ; petioles, panicles, and under side of leaves clothed 

 with flocky, short, white, stellate down ; leaves repandly denti- 

 culated, oval, acuminated, 5-nerved ; glabrous above ; cyme 

 naniculately corymbose, trichotomous, terminal ; teeth of calyx 

 short, obtuse ; petals oval, refuse. T? . S. Native of the ^ est 

 Indies, Guadaloupe, Martinico, St. Vincent, Mont Serrat, &c. 

 Melastoma discolor, Lin. spec. p. 560 Jacq. amer t. 130 

 t 84 Rich, in Bonpl. mel. t. 34. Melast. acummata, Vahl. 

 eel. 1. t. 7. Melast. elseagnoides, Sieb. fl. trin. no. 61. Flower 

 cream-coloured. 



Z'roo-coforaMeaved Tetrazygia. Shrub 4 to 6 feet. 



3 T. EUBAONoiDES (D. C. 1. c.) branches nearly terete, and 

 are as well as the petioles and under side of leaves clothed 

 with adpressed, rufescent, lepidotted, rather powdery down ; 

 leaves oblong, 3-nerved, attenuated at both ends glabrous 

 above, rather coriaceous ; cymes twice trifid, terminal; limb of 

 calyx urceolate. obscurely 4-toothed. *i . S. Native of the 

 West Indies. Melastoma elseagnoides, Swartz, fl. ind. occ. p. 

 815. Vahl. icon. pi. amer. 2. t. 28. Rich, in Bonpl. rhex. t. 

 13. Petals white, obovate. Berries bluish black, bottl shaped, 

 from being crowned by the permanent neck of the calyx. 



E Magnus-like Tetrazygia. Shrub 3 to 10 feet. 



4 T. INGDSTIFOLIA (D. C. 1. c.) branches terete, and are as 

 well as the petioles and under side of leaves clothed with velvety, 

 minute, stellate down ; leaves linear-lanceolate, with revolute, 

 quite entire margins, 3-nerved, beset with yellowish dots above; 

 lateral nerves approximating the margin of leaf ; cymes pani- 

 culately corymbose, trichotomous ; calyx rather globose, with 

 the limb slightly 4-toothed. Tj . S. Native of the West Indies, 

 particularly of Montserrat, Trinidad, Guadaloupe, &c. 



toma angustifolia, Swartz, fl. ind. occ. p. 799. Rich, m Bonpl. 

 mel. t. 10. Vahl. dec. amer. 3. t. 2(5. Petals from white to 

 pale red, obovate. Flowers one-half smaller than those of 1. 

 elceagnoides, Fruit nearly globose, not bottle-shaped. 

 Narrow-leaved Tetrazygia. Shrub 4 to 6 feet. 

 5 T. CROTONIFOIIA (D. C. 1. c.) branches terete, hispid; 

 leaves sessile, cordate, lanceolate, denticulated, 3-5-nerved, 

 alabrous above, and rather muricated, clothed with white down 

 or tomentum beneath ; panicles terminal, few-flowered ; calyx 

 rather campanulate, 4-toothed. Jj . S. Native of St. Domingo. 

 Melast. crotonifolia, Desr. in Lam. diet. 4. p. 43. Petals 4, 

 oval, purple. Fruit ovate, glabrous, crowned by the calyx. 

 The habit of the plant is between that of Heterotrichum and 

 Tetrazygia. 



Croton-leaved Tetrazygia. Sh. 3 to 6 feet. 



Cult. See Melastoma for culture and propagation, p. 764. 



LXVI HETERO'TRICHUM (from irepoc, heteros, varia- 

 ble, and %? rptvoe, thrix trichos, a hair; the plants are clothed 

 with variable hairs, some stellate and soft, and others simple and 

 bristly intermixed). D. C. prod. 3. p. 173. 



LIN. SYST. Deca-Icosdndria, Monogynia. Tube oi calyx 

 ovate-globose ; limb 5-8-cleft, with the lobes permanent am 

 broad at the base, and elongated and subulate at the apex. 



tals 5-8, oval. Stamens 12-16, equal ; filaments glabrous ; an- 

 thers oblong, hardly gibbous at the base, opening by one pore a 

 the apex. Ovarium glabrous, umbilicate at the apex. Style cylin 

 drical; stigma a pruinose dot. Capsule baccate, 5-6-celled, glo- 

 bose, crowned by the calyx. Seeds unknown. Shrubs, natives . 

 St Domingo. Branches terete, and are, as well as the petioles, 

 panicles, and calyxes beset with stiff bristles and stellate down 

 intermixed. Leaves petiolate, bristly above, and hispid on th 

 nerves beneath, but velvety between the nerves. Cymes terminal, 

 trichotomous, umbellate. Flowers white or purple. The torus 

 in H. octbnum is easily separated from the calyx, forming a tunic 

 around the ovarium, toothed at the apex. Perhaps in all. 



1 H. ANGUSTIFOLIUM (D. C. prod. 3. p. 173.) branches, pe- 

 tioles and peduncles, as well as under side of leaves and calyxes, 

 clothed with short stellate white tomentum, intermixed with 

 stiff rufous spreading bristles ; leaves oblong, obtuse at t 

 acuminated at the apex, rugosely crenulated, beset with bristles 

 on the upper surface, which are tumid at the base, triple-nerved ; 

 cymes divaricate, trichotomous, terminal ; tube of calyx ovate, 

 having the lobes of the limb dilated and rounded at the base, 

 and ending each in a subulate mucrone. ^ S- Native of bt. 

 Domingo and Martinique. Melastoma hirta, Desr. in 1 

 diet 4 p. 43. but not of others. Melast. Berteroanum, Ser. 

 nwsiPSnn. ed. Burm. t. 141. Perhaps the same as Melast. 

 pallens of Spreng. syst. Petals ovate, acutish. Anthers oblong, 

 bluntly subgibbous at the base. Axils of nerves bearded. 



Narrow-leaved Heterotrichum. Sh. 3 to 6 feet. 



2 H NI'VEUM (D. C. 1. c.) branches, petioles, pedicels, and 

 under side of leaves, beset with blackish rigid bristles, inter- 

 mixed with white stellate down ; leaves cordate, acuminated, 

 scabrous from bristles above, 7-nerved ; panicle loose ; > 

 6-cleft b . S. Native of St. Domingo. Melastoma mvea, 

 Desr. in Lam. diet. 4. p. 42. Very nearly allied to the following 

 species, but differs in the down being white, as in the preceding 

 species, and in the flowers being 6-cleft and dodecandrous. 



White Heterotrichum. Sh. 6 to 8 feet. 



3 H FASTENS (D. C. 1. c.) branches, petioles, peduncles, and 

 calyxes, beset with glandular bristles, intermixed with stellate 

 down ; leaves cordate, acuminated, somewhat denticulated, 7 

 nerved, rather scabrous above, but clothed with white velvet 

 down beneath ; cymes terminal, loose ; flowers 6-8-cleft; lobes 

 of calyx spreading. h S. Native of St. Domingo. Melas- 

 toma patens, Swartz, fl. ind. occ. 2. p. 791 Melast lappacea, 

 Desr. in Lam. diet. 4. p. 42. Melast. grandiflorum, Spreng. in 

 herb. Balb. but not of Aubl. Flowers pale red or whitish. 

 Berry sweet, but insipid. 



Spreading Heterotrichum. Shrub 6 feet. 



4 H. OCTONUM (D. C. 1. c.) branches, petioles, and peduncle 

 beset with long, spreading, reflexed bristles, intermixed with 

 short, stellate down ; leaves cordate, acuminated, 5-7-nervecl 

 hispid above from simple, toothed bristles, but clothed With 

 stellate down beneath ; thyrse panicled, terminal ; teeth of yx 

 8, subulate, short, permanent, incurved. b. S. Native ot 

 South America, on Mount Quindiu, near the river Guada. 

 Melastoma octona, Bonpl. mel. t. 4. Petals 4, white, lorus 

 separable from the calyx, forming an 8-toothed tunic around 



the ovarium. ,, 



ifi-A-cleft-calyxed Heterotrichum. Sh. 6 to 9 feet. 

 5 H. NOVEMNE'RVIUM (D. C. 1. c.) branches, petioles, and 

 peduncles beset with glandular bristles, intermixed with grey 

 stellate tomentum ; leaves ovate, rather cordate at the base, 

 acuminated at the apex, ciliately serrulated, 9-nerved, rough 

 from blisters above, and velvety beneath from white stellate 

 down; thyrse panicled, loose, terminal; calyx clothed with 

 white tomentum, having 5, erectish lobes. Tj . S. Native of 



Brazil. Petals oblong. 



