MELASTOMACE^. IV. Lavoisiera. V. Davya, VI. Graffenrieda. 



alternate ones having longer connectives than the others. An- 

 thers bluntly beaked. Cells of capsule equal in number to the 



petals. 



DottedAeaxed Lavoisiera. Shrub 1 to 2 feet. 



agrees with Meriania, but the habit and colour of the flowci 



different. 



_ 4 



1 D. panicula'ta (D. C. 1. c.) branches terete, tomento. 

 the apex, as well as the petioles and middle nerve of the let 



12 L. Itamba'na (D. C. 1. c.) shrubby, dichotomous, quite from thick fascicles ofpili; leaves petiolate, ovate, acumini 



glabrous; branches rather angular ; leaves sessile, imbricated in quite entire, 5-nerved, glabrous, except on the middle nf 



4 rows, ovate, hardly stem-clasping, attenuated at both ends, corymbs terminal, trifid at the base ; pedicels subumbellate' 



rather serrated, 1 -nerved, lateral veins almost obsolete; flowers ofcalyx ribbed, campanulate ; anthers 10, 5 of which are fun 



terminal, solitary, sessile ; calyx dotted with white, having a 

 broad turbinate tube, and 6-7 oval lobes, which are about equal 

 in length to the tube; anthers dissimilar. ^. S. Native of 

 Brazil, on the high mountains of Itambe and Serro Frio, in the 

 province of Minas Geraes. Rhexia Itamb^na, Mart, et Schrarik, 

 mss. Petals obovate-oblong, much longer than either the calyx 

 or stamens. Anthers like those of Z. punctata. 



Itambe Lavoisiera. Shrub 1 to 2 feet. 



13 L. FiRMULA (D. C. 1. c.) shrubby, branched, almost quite 

 glabrous ; branches bluntly tetragonal ; leaves sessile, half stem- 

 clasping, oval, acutish, quite entire, 1-nerved, lateral veins ob- 

 solete ; flowers terminal, solitary, sessile ; tube of calyx cylin- 

 drical, rather ribbed ; limb campanulate, 6-cleft ; anthers dissi- 

 milar. ^ . S. Native of Brazil, on the high mountains of 

 Itambe and Serro Frio. Rhexia firmula, Mart, et Schrank, 

 niss. Leaves few, beset with scattered glandular bristles in the 

 uisk and on the edges, the rest quite glabrous. 



Firm Lavoisiera. Shrub 2 to 4 feet. 



with a somewhat spatulate obtuse spur each, and the ot 

 with a shorter, somewhat cylindrical spur each. Tj . S. 1 

 of Brazil, in woods near Rio Janeiro. Rhexia panicul&tn,' 

 herb, but not Bucli. Petals 5~G, yellow, obovate. Aj 

 anthers longer, with the appendages copper-coloured. . 

 PanicIcd'Howcred Davya. Shrub 2 to 4 feet. 



2 D. gla'bra (D. C. prod. 3. p. 105.) quite glabrous in e 

 part ; branches bluntly tetragonal, hardly terete ; leaves pctio 

 late, elliptic, attenuated at the base, acuminated at the apex, 3- 

 nerved, quite entire ; raceme terminal, somewhat panicled, few- 

 flowered ; calyx campanulate, bluntly 5-lobed ; anthers with a 

 long copper-coloured spur each. ^ . S. Native of Brazil. 

 Flowers yellow. 



Glabrous Davva. Shrub 2 to 3 feet. 



3 D. GuiANE Nsis (D. C. 1. c.) branchlcts teretely tetragonal, 

 dothed with deciduous brown bristly down, as well as the pe- 

 tioles, panicles, and leaves when in a young state ; leaves petio- 

 late, ovate, acuminated, somewhat crenulated, 5-ncrved ; nerves 



14 L. pulche''rrima (D. C. 1. c. p. 104.) shrubby, dichoto- beset with rufous bristles, the rest glabrous; panicle terminal, 



^ mous, quite glabrous ; branches nearly terete, rather glaucous ; 

 leaves sessile, half stem-clasping, ovate-lanceolate, acute, quite 

 entire, many veined, with 3 of the veins more elevated than the 

 rest ; flowers terminal, solitary ; tube of calyx ovate, twice the 



length of the lobes, which are 6-10 ovate, acute; anthers dissi- 



milar. 



with its branchlets many-flowered and umbelliferous at the apex ; 

 tube ofcalyx oval-oblong, somewhat urceolate ; spurs of anthers 

 bearing many bristles at the apex. ^. S. Native of French 

 Guiana. D. C. coll. 1. t. 3. Topobea panlculata, Rich. herb. 

 Flowers pale yellow. Stem 10 inches in diameter, and 20 feet in 



I? . S. Native of Brazil, in the province of Minas height. 

 Geraes, in elevated fields. Rhexia pulcherrima, Mart, et Schrank, Guiana Davya. Tree 20 feet. 



^ss. Leaves deflexed. Flowers purple. Anthers ovate, with 

 snort blunt beaks, the alternate ones with long connectives, 

 ^hich are tumid at the base. 



Very-fair Lavoisiera. Shrub 2 to 4 feeU 



15 L. LiNiFOLiA (D. C. 1. c.) shrubby, much branched, gla- 

 brous ; leaves on short petioles, linear, quite entire, nerveless ; 

 flowers solitary, almost sessile, axillary or terminal ; tube of calyx 

 turbinate, beset with glandular dots, shorter than the lobes, 

 ^^hich are subulate ; petals obovate, when young apiculated ; 

 fnthers dissimilar. T2 . S. Native of Brazil in moist meadows, 

 m the province of Minas Geraes, at Serro Frio. Rhexia lini- 



folia. Mart, et Schrank, mss. Anthers 10, oblong, terminated by . . t% 



a blunt beak, in 5 of them the connective is rather long, and VL GRAFFENRIFDA (this name has been given by De 



Wdly tumid at the articulation, in the other 5 it is drawn out Candolle to recall thejabours of Fn L. de Grafl^enried^ editor of 

 ^'ito a blunt appendage. 



Plax'leaved Lavoisiera. Shrub 1 to 2 feet. 



4 D. Peruvia^na (D. C. prod. 3. p. 105.) branchlcts some- 

 what compressedly terete, hardly terete ; petioles, panicles, and 

 young leaves clothed with powdery flocky down ; leaves on long 

 petioles, ovate, quite entire, abruptly acuminated, 5-nerveil ; 

 panicle terminal, having its branches opposite and many-flow- 

 ered, and its branchlets 3-flowered; calyx bluntly 5-toothed. 

 \} . S. Native of Peru, near Cochera. Petals yellowish red. 



Petioles nearly 2 inches long. 



Peruvian Davya. Shrub 5 to H feet. 



Cult. See Meriania for culture and propagation, p. 733. 

 Plants worth cultivating for their beauty. 



C't//^ See Meriania, p. 733. for culture and propagation. 



All the species are delicate elegant plants, well deserving culti- 

 vation. 



V. DA^VYA (named by De Candolle in honour of the cele- 

 brated chemist. Sir Humphry Davy). D. C. prod. 3. p. 105. 



I'iN. SYST. Deca-Dodecdndria, Monogtjnia. Calyx with a cam- 

 Panulate or ovate-oblong tube; teeth 10-12, connected into 

 [J^enibranous entire limb. Petals S-Q. Anthers beaked, openin 

 7 ^ne pore, having the connectives drawn out into an elongate 

 ^''Wjple spur, which is sometimes furnished with 2-8 bristles at 

 2^ apex. Ovarium free, globose or oblong, depressed and 

 Pabrous at the apex. Style filiform. Capsule 5-celled. beeds 

 jnknown.— Shrubs or trees, natives of South America, with the 

 ^^bitof Banisteria. leaves petiolate, oval, 5-nerved, almost 

 glabrous. Flowers corymbose or panicled, yeUow, The calyx 



J. Bauhin's Ilistoriae Plantarum). D. C. prod. 3. p. 105 



LiK. SYST. Decdndria, Monogynia, Tube of calyx uuiunj^ ; 

 its limb campanulate and bluntly 5-toothed. Petals 5, obovate. 

 Stamens 10 ; anthers linear, acute, opening by one pore, fur- 

 nished with a simple appendage at the base. Style filiform. 

 Ovarium free, not bristly at the apex, but furnished with some- 

 thing like 5 tubercles. Capsule ovate, 5-valved, opening at 

 the apex. Seeds angular, straight. — Shrubs, with the habit 

 almost of Diplochita^hut difllrs in the bracteas being absent, in 

 the fruit dehiscing at the apex, and in the diflTerent formed ap- 

 pendages of the anthers. 



ofcalyx very 



ho. 



apex 



1 G. ROTUNDiFOLiA (D. C. l- c.) branclilcts terete, ghbrous ; 

 leaves on short petioles, orbicular, somewbat conlate, quite en- 

 tire, glabrous and shining above, but powdery beneath, S-nervcd, 

 the lateral nerves approximating the margin ; thywc panicled, 



