784 



MELASTOMACEiE. LXV. Tetrazygia. LXVL Heterotrichum, 



with small, lepidotted down beneath as well as on the peduncles tals 5-8, oval. Stamens 12-16, equal ; filaments g'.abrous ; an- 

 and calyxes ; thyrse panicled, many-flowered. ^2 • S. Native thers oblong, hardly gibbous at the base, opening by one pore at 

 of Jamaica, on the highest mountains, and of Guadaloupe. 

 Melastoma tetrandra, Swartz, fl. ind. 



occ. p 



M. teirdndrum of Spreng. syst. Flowers small, white, te- 

 trandrous. 



Telrandrous Tetrazygia. Shrub 3 to 6 feet. 



Sect. II. Octoste'mon (from oktio^ octo^ eight, and arrnnovy 

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

 mens 8. Thyrse corymb-formed. 



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

 795. but not drical ; stigma a pruinose dot. Capsule baccate, 5-6-celled, glo- 



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

 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 the 

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

 trichotomous, umbellate. Flowers white or purple. The torus 

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



2 T. Di'scoLOR (D. C. prod. 3. p. 172.) branches bluntly around the ovarium, toothed at the apex. Perhaps in all. 



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

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

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

 paniculately corymbose, trichotomous, terminal ; teeth of calyx 

 short, obtuse ; petals oval, retuse. Tp . S. Native of the West 

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

 Melcistoma dfscolor, Lin. spec. p. 560. Jacq. amer. t. 130. 

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

 ed. 1. t. 7. Melast. elaeagnoides, Sieb. fl. trin. no. 61. Flowers 

 cream-coloured. 

 . 7wo-co/oMre{Z-leaved Tetrazygia. Shrub 4 to 6 feet. 



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 the base, 

 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. T2 . S. Native of St. 



Melastoma hirta, Desr, in Lam. 



Melast. Berteroanum, Ser. 



3 T. EL^EAGNoiDEs (D. C. 1. c.) branches nearly terete, and mss. 



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

 with adpressed, Tufescent, 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. Tj . S. Native of the 

 West Indies. Melastoma elaeagnoides, 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, bottle-shaped, 

 from being crowned by the permanent neck of the calyx. 

 Elceagnus-like Tetrazygia. Shrub 3 to 10 feet. 



Domingo and Martinique. 



diet. 4. p. 43. but not of others. 



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



Petals ovate, acutish. Anthers oblong, 



Axils of nerves bearded. 



pallens of Spreng. syst. 



bluntly subgibbous at the base. 



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



2 H. NrvEUM (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 ; flowers 

 6-cleft. \2 • S. Native of St. Domingo. Melastoma nivea, 

 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 



4 T. ANGUSTiroLiA (D. C. 1. c.) branches terete, and are as species, and in the flowers being 6-cleft and dodecandrous 



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- 



fVhite Heterotrichum. Sh. 6 to 8 feet. , 



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

 calyxes, beset with glandular bristles, intermixed with stellate 

 down ; leaves cordate, acuminated, somewhat denticulated, 7- 



culately corymbose, trichotomous; calyx rather globose, with nerved, rather scabrous above, but clothed with white \ev y 



down beneath ; cymes terminal, loose; flowers 6-8-clelt; o^ 

 of calyx spreading. Tj . S. Native of St. Domingo. Mf*as' 

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

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

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



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

 particularly of Montserrat, Trinidad, Guadaloupe, &c. Melas- 

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

 mel. t. 10. Vahl. dec. amer. 3. t. 26. Petals from white to 

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

 clceagnoldes. Fruit nearly globose, not bottle-shaped. 



1 



Narrow-leaved IVtrazvffia. Shrub 4 to 6 feet, 



5 T. cROTONiFOLiA (D. C. 1. c.) bmiiches terete, hispid; 



ssile, cordate, lanceolate, denticulated, 3-5-nerved, beset with 1 



glabrous above, and rather muricated, clothed with white down 

 or tomentum beneath ; panicles terminal, few-flowered ; calyx 1 

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



Berry sweet, but insipid. 



Spreading Heterotrichum. Shrub 6 feet. , 



4 H. ocTONUM ( D. C. 1. c.) branches, petioles, and F^""J^^^^ 



" 'ong, spreading, reflexed bristles, intermixed ^w^^^ 



short, stellate down; leaves cordate, acuminated, 5-/-»e 



£/gA^-cleft-calyxed Heterotrichum 



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 



e(razijgm. 



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



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



LXVI. HETERO'TRiCHUM (from hepoc, heteros, varia- 



ble, and 5pi£ rpt^^oc, ihrix trichosy 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-Icusandriay Monogijnia. Tube of calyx down ; thyrse panicled, loose, 

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

 broad at the base, and elongated and subulate at the apex. Pe- Brazil. Petals oblong! 



iiiori, sieuaie uown ; leaves coruuie, cicuuiiii"*^^-? - .^ 



lispid above from simple, toothed bristles, but ^'^l^^^^j-^^iyx 

 itellate down beneath ; thyrse panicled, terminal ; *^^^I^^ • ^f 

 J, subulate, short, oermanent. incurved. ^2 • ^^ i-.._j« 



Torus 



paniciea, leriuiua. , ..^ .^^ ^^ 



8, subulate, short, permanent, incurved. ^2 • ^' . Guada 

 South America, on Mqunt Quindiu, near the river 

 Melastoma octona, Bonpl. mel. t. 4. Petals 4, white. *- 

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



the ovarium. ^ 



Sh. 6 to 9 ^^ei. 



5 H, novemne'rvium (D. C. 1. c.) branches, Pf ^"/f'' eV 

 peduncles beset uith glandular bristles, intermixed vvju ^b^J^ 

 stellate tomentum ; leaves ovate, rather cordate at > ^^^^^ 

 acuminated at the apex, ciliately serrulated, 9-nerye , .. 



from blisters above, and velvety beneath from ''""'=, jj, 



termhial; calyx^^clothe^ ^« ^^ 



white tomentum, having 5, erectish lobes. 



F2. S. 



