786 



MELASTOMACEiE. LXVII. Conostegia. LXVIII. Diplogenea. LXIX. Diplociuta. 



a little striated, with a circumcised or irregularly ruptured limb, branches purplish, the leaves almost one-nerved, from the mar- 

 T2 . S. Native of Guadaloupe, and of Cuba about the Havanah. ginal nerves being confluent. Cymes corymbose, terminal, tricho- 

 Melastoma semicrenJita, Rich, in Bonpl. mel. t. 31. Melastoma tomous. Flower-bud obovate, obtuse. 



Glabrous Conostegia. Shrub 4 to 6 ft. 



■j" Species not described. 



17 C. HoLOSERi'cEA (D. Dou, mem. soc. wern. 4. p. 316.) 

 T?. S. Native of Peru. Melastoma holosericea, Pav. in herb. 



acuminata, Desr. in Lam. diet. 4. p. 54. Melast. elongata, 

 Vahl. eel. 3, p. 16. ex Ser. Petals 5, white. Stamens 10. 

 Ovarium 3-celled. 



Half-crenatedAeaved Conostegia. Tree 20 to 30 feet. 



10 C. tunica'ta (Ser. niss. in D. C. 1. c) glabrous ; branches Lamb but not of Lin. 



terete ; leaves oval-lanceolate, acuminated at both ends, quite 

 entire, triple-nerved, besides the marginal nervules ; thyrse 

 panicled, terminal, short; flower-bud ovate, irregularly rup- 

 tured. ^ . S. Native of Peru, on the Andes. Melastoma 

 tunicata, Bonpl. mel. t. GO. Petals 5, white, oval. Anthers not 

 auricled at the base. Berry 5-celled. 



Tunicated Conostegia. Sh. 4 to 6 feet. 



lie. parviflora (D. C. 1. c.) glabrous ; branchlets terete ; 

 leaves oval, attenuatcly acuminated, repandly crenated, quintuple 



Wh 



Shrub. 



18 C. cuculla'ta (D. Don, 1. c.) ^. 

 Melastoma cucuUata, Pav. in herb. Lamb. 



Native of Peru. 



Cucullate Conostegia. 



Shrub. 



^ 



19 C. supe'rba (D. Don, 1. c.) 

 America. Melastoma sup^rba, Bonpl. ined. 



Native of South 



Superb Conostegia. Shrub. 

 Cult. I 



Melastoma 



nerved ; thyrse panicled, terminal, with its branches spreading; LXVIIL DIPLOGE'NEA (from ^iirXooc, diploos^ and yerta, 



calyx circumcised. T2 . S. Native of St. Domingo. Melas- genea, generation). Lindl. in Brande's quart, journ. Oct. 1828. 

 toma montanum, Spreng. syst. 2. p. 290. This species differs p. 121. 

 from C. montana in the leaves being oval, not oblong, crenated, 

 not denticulated, quintuple-nerved, not 3-nerved. 



Lin. syst. 



Mono 



jynia. Calyx with a calyptri- 

 form conical deciduous limb. Petals 4, lanceolate, inserted in 

 the fleshy disk which covers the ovarium ; anthers ovate, bical- 

 carate at the base, opening by one pore at the apex. Ovarium 

 adnate to the calyx, 4-celled, many seeded, crowned by the 

 large fleshy disk. Style falcate, clavate. Stigma simple.— A 

 smooth parasitical shrub, almost with the habit of Fiscum. 

 Branches fleshy, dichotomous, compressed in the young state. 

 Leaves oblong, retuse, fleshy, 3-ribbed, veinless, filled with oily 

 toma montana, Swartz, fl. ind. occ. p. 766. Flowers small. receptacles between the parenchyma. Flowers small, white, 

 Limb of calyx truncate after opening, urceolate, with an unequal disposed in short axillary racemes. Tube of calyx replete with 



Small- leaved Conostegia. Shrub 6 ft. 



12 C. monta'na (D. Don, 1. c.) smoothish; branchlets tetra- 

 gonal, clothed with mealy cinereous down ; leaves oblong, some- 

 what denticulated, 3-nerved, besides the marginal nervules, 

 paler beneath ; thyrse panicled, terminal, having its branches 



spreading ; flower-bud obtuse, cut round in the middle. 

 Native of the hioch mountains in the south of Jamaica. 



Melas- 



edge. Petals oblong-obovate, white. Stamens 10-16; stigma oily receptacles. 



rather capitate 



Mountain Conostegia. Shrub 6 to 8 feet. 



13 C. Mexica'na (Ser. mss. ex D. C. 1. c.) quite glabrous; 

 branchlets terete ; leaves oval-lanceolate, tapering to both ends. 



i C. viscoiDES (Lindl. 1. c.) Tj 

 at St. Mary's. 



Native of Madagascar 



Misseltoe-like Diplogenea, Shrub. 



Cult. This plant being parasitical, it should be treated in the 



denticulated, quintuple-nerved ; thyrse terminal, panicled, loose ; same manner as tropical orphideous plants. Cuttings will strike 



flower-bud ovate-oblong, obtuse, irregularly ruptured. Tj . S. 

 Native in the temperate parts of Mexico. Melastoma Mexic^na, 

 Bonpl. mel. t. 55. Petals 5, white, oval. Stamens 10 ; stigma 

 obtuse. Berry 5-celled. 



Mexican Conostegia. 



Shrub 6 feet. 



root under a hand-glass. 



LXIX. DIPLOCHPTA (from ^ittXooc, diploos, double, and 

 Xtrwv, chiton^ an outer covering ; in reference to the calyx, wnicn 

 is involved by 2 bracteas while in a young state). D. C. P^^^' 

 3. p. 176. — Chitonia, D. Don, in mem. wern. soc. 4- p- 317. 



14 C.Xalape'nsis (D.Don, 1. c.) branchlets terete, and are, ^' P' wh.— Untonia, D. Don, m mem. wern. soc. *. F" "*' 

 as well as the petioles, panicles, and under side of leaves, clothed ^"^ "ot of Mocmo.— Fothergilla, Aubl. guian. l.p.441. but i 



with rusty down ; leaves lanceolate, acute at both ends, quin- 

 tuple-nerved, toothed ; thyrse terminal, panicled, ovate; flower- 

 bud ovate, obtuse at both ends, regularly cut round about in the 

 middle. Jj • S. Native of Mexico, near Xalapa. Melas- 

 toma Xalapensis, Bonpl. mel. 



of Lin. 



Monog 



Calyx adhering 



to the ovarium at the base, when young involved by 2 bracteas, 

 cylindrical, with the throat usually ciliated after flowering; h"^*^ 



Stamens 10 ; stigma obtuse. 



t. 54. Petals 5, oval, white. 



Xalapa Conostegia. Shrub 5 feet. 



15 C. lutf/scens (Ser. mss. ex D. C. 1. c) branches quite 

 glabrous, obscurely tetragonal above ; leaves ovate-lanceolate, 

 attenuated, glabrous, a little toothed on the outer margin, petio- 

 late, 3-5 -nerved; racemes terminal, compound ; flowers decan- 

 drous ; peduncles 3-flowered, the middle flower of the three 

 sessile ; calyx ovate, acute, at length truncate ; style brownish 

 purple, longer than the corolla and stamens. Tj . S. Native of 

 the Island of Montserrat. Melastoma lutescens, Valil. eel. fasc. 

 3. p. 17. but notofHumb. et Bonpl. 



leZ/on/V/i Conostegia. Shrub 2 to 3 feet. 



16 C. gla'bra (D. Don, 1. c.) branches nearly terete ; 

 oblong, acuminated, somewhat 3-nerved, quite entire, glabrous ; 

 panicle terminal ; calyx circumcised. T2 • S. Native of the 



Ovarium ovate-oblong 

 Style filiform ; 



stigma 

 Seeds 



leave 



bluntly 5-6«toothed, permanent, drawn out beyond the ovaTium. 

 Petals S-Q, usually oblong. Anthers biauriculate at the base, 

 opening by one pore at the apex, 

 crowned by a callous glabrous disk, 

 peltate or capitate. Capsule dry, indehiscent, 5-celled. 

 ovate.— Tall South American showy trees or large shruDs^ 

 usually clothed with rusty velvety down on the branches, an 

 under side of the leaves. Leaves petiolate, ovate, usually ac - 

 minated, obtuse or cordate at the base, smoothish above, wi 

 the margins quite entire or crenated. Thyrse terminal, ^vitn op- 

 posite branches. Flowers white or rose-coloured, but in one ^ 

 the species yellow. Bracteas 2, oval, large, involving the ca)- 

 when young, but at length falling off altogether. 



* 



Leaves quite entire. 



1 D. Fothergi'lla (D. C. prod. 3. p. 176.) branches com- 

 pressed when young, but at length becoming terete, and are, 



t ^- . 1 , , ' mVi" ,v: -r^* --«vitc ^Jl iiic presscQ wncu young, Dut at lengtn oecommg leicic;, *»-" ^, 



Soaety Islands. Melastoma glabra Forst. prod. no. 194. well as the petiolesT rachis, and nerves of leaves on the under 

 WiUd. spec. «. p. 584. The whole shrub quite glabrous, the side, clothed with rufous down ; leaves petiolate, oval. acuffl« 



