MELASTOMACEiE. XXXIV. Osbeckia. 



759 



leaves, scabrous from adpressed bristles ; leaves petiolate, ellip- 

 tic-oblong, acuminated, quite entire, 3-nerved, glabrous above, 

 and with oblique stripes betw een the nerves ; panicles terminal ; 

 calyx very hairy; bristles palmately stellate ; anthers 5. Fj . S. 



Rhexia striph- 

 times the 



Native of Brazil, in the province of Rio Negro. 



nocalyx, Mart. herb. Anthers linear, beaked, 8 



length of the connectives, which are drawn out into one or two 



small lobules at the base. Calyx clothed with long white hairs. 



Stripes between the nerves of the leaves very evident. Flowers 



purple. 



Hairy-calyxed Osbeckia. Shrub. 



8 O. Si'msii (D. C. 1, c.) branches tetragonal, hispid; leaves 

 on short petioles, oblong-elliptic, 3-nerved, ciliated on the nerves 

 and margins ; flowers terminal, aggregate ; appendages of calyx 

 bristle-formed. - ~ - - 



b.S. 



Mau 



cultivated there. Melastoma Osbeckioides, Sims, bot. 



2235. 



Flowers large, purple. 

 Chinensis, Lin. 



Sims's Osbeckia. 



mag. 



Perhaps the same as Osbeckia 

 Clt. 1818. Sh. 2 feet. 



Fl. July. 



9 0. Pri'nceps (D. C. 1. c.) branches angular, and are, as 

 well as the leaves, clothed with fuscescent tomentum beneath ; 

 leaves petiolate, oblong, rather cordate at the base, sharply ser- 

 rulated, 7-nerved, unequal, strigose on the upper surface ; 

 corymbs terminal ; hairs on calyx glandular ; appendages of 

 calyx ending in a stellate tuft of hairs. ^2 . S. Native of Bra- 

 zil- Rhexia Princeps, Bonpl. rhex, t. 45. Flowers large, pur- 

 ple, composed of 5 petals according to the description, but only 

 of 4 according to the figure. 



Princeps's Osbeckia. Sh. 3 to 4 feet. 



* * Flowers ^i-cleft^ octandrous* 



melas. 2. t. 32. Petals rose-coloured, obovate, hardly longer 

 than the lobes of the calyx, minutely ciliated. Connectives fur- 

 nished with 2 tubercles at the base of each. 



Vat, /3, albijldra (D. C. 1. c.) flowers white, fewer and larger. 

 Rhexia glomerata, Lodd. bot. cab. t. 334. Native of Brazil. 

 Perhaps a proper species. 



Glomerate-^ovfex^d Osbeckia. Fl. July, Aug. Clt. 1818. 

 PI. 1 to 2 feet. 



13 O. siPANEOiDEs (D. C. ]. c.) shrubby, very hairy all over; 

 leaves sessile, oval-oblong, acute, 3-nerved, terminated by a 

 bristle ; flowers sessile in the axils of the upper leaves, and 

 somewhat aixgregate at the tops of the branches ; calyx hispid 

 from palmate bristles, having its lobes terminating in a hair, and 

 the appendages long, and ending in a palmate tuft of bristles at 

 the apex. Ij . S. Native of Brazil. Rhexia sipaneoides, Mart, 

 herb. Habit almost of Chceiogdstra lychnitotdes^ but the cha- 

 racters are very different. 



Sipanea-like Osbeckia. Sh. 1 to 2 feet, 



14 O. BRACTEOLA^Ris (D. C. 1. c) shrubby ; leaves on short 

 petioles, oblong, 5-nerved, quite entire, villously pubescent 

 above, but clothed with velvety tomentum beneath, reticulated ; 

 peduncles axillary, dichotomous, bracteolate ; flowers octan- 

 drous; calyxes, branches, and peduncles densely clothed with 

 glandular hairs ; lobes of calyx linear, about equal in length to 

 the tube, which is ovate. ^2 • S- Native of Brazil, in elevated 

 fields, in the province of Minas Geraes. Rhexia bracteol'^ris, 

 Schrank et Mart. mss. Calyx nearly as in Osbeckia Chinensis, 

 apparently 8-cleft from the intervening scales. Anthers elon- 

 gated, falcate, beakless. Seeds cochleate, hairy, truncate at the 

 base. Ovarium 4-toothed at the apex, hardly bristly. 



Bracteolate Osbeckia. Sh. 2 to 3 feet. 



10 O. alpe'stris (D. C. 1. c.) shrubby, beset in every part 15 O. pu'mila (D. C. 1. c.) herbaceous, rather pilose; leaves 



^'ith somewhat adpressed strigose pili ; leaves on short petioles, oblong-lanceolate, entire, 3-nerved ; flowers axillary and termi- 

 nal, solitary, almost sessile ; calyx clothed with stellate hairs. 



ovate, acute, quite entire, nerveless ; flowers almost sessile, dis- 

 posed in a terminal head ; calyx very villous. Tj . S. Native 



J \ ^^'^' °" *^^ ^^P^ ^^ Serro Frio and Itambe. Rhexia semi- 

 *dnata, Schrank, mss. Rhexia alpestris, Mart. herb. Leaves 

 j^^es long and 4 broad ; petioles thick, semiadnate. Lobes of 

 '^alyx lanceolate, glabrous inside. Petals violaceous, minutely 

 Ciliated. Anthers falcate, wrinkled transversely, with short 

 oeaks ; having their connectives not drawn out beyond the arti- 

 culation. ^ . 



^Ip Osbeckia. Sh. 1 to 2 feet. 



11 O. repa'nda (D. C. prod. 3. p. 141.) herbaceous ; stem 



pearly terete, and is, as well as the peduncles and leaves, villous 



*rom adpressed strigae ; leaves petiolate, lanceolate, 3-5-nerved, 



^uite entire, acute ; peduncles elongated, dichotomous ; calyx 



^6i*y strigose, with the lobes acuminated and ciliated at the base, 



^nd having the scales or appendages between the lobes pecti- 

 nated 



with the lobes acute, and shorter than the tube, and having the 

 appendages ending in a stellate tuft of hairs at the apex. 

 Native country unknown. Rhexia pumila, Bonpl. rhex. t. 35. 

 without a description. Flowers according to the figure small, 

 and pale purple. Connectives of anthers bluntly biauriculated 

 at the base. Ovarium bristly at the apex. Calyx beset with 

 scattered pili, which are stellate at the apex. 

 Dwarf Osbeckia. PI. ^ foot. 



Sect. IV. Osbeckia ri a (an alteration from the generic name). 

 D. C. prod. 3. p. 141. Calyx 4-5-cleft, ornamented with bristles 

 on the tube, which are palmate from the base; witlj the appen- 

 dages between the lobes plumose, but usually pectinated ; the 

 lobes fall off* along with the appendages, leaving the mouth of the 

 calyx truncate, or as if it was cut round. — All natives of Asia. 



petals somewhat repandly truncate at the apex. %. S. 16 O. Chine'nsis (Lin. spec. p. 490.) nearly herbaceous; 



^ _'~"__ stems 4-winged ; leaves almost sessile, lanceolate-oblong, 3- 



Rhexia repanda. Mart, et 'Schrank,^ross. Petals pur- nerved, rather hispid, a little crenulated ; flowers cymose, termi- 



^ative of Brazil, in elevated fields, in the province of Minas 

 '^eraes. 



P'^' Anthers linear-falcate, acuminated by the beaks, twice 

 |«e length of their connectives, which are hardly tumid at the 

 ^^' Habit of Ar thro stemma grdcilis. 



Repand-leaved Osbeckia. PI. 1 to 2 feet. 



12 O, glomera'ta (D. C. prod. 3. p. 141.) herbaceous; 

 j^ranches nearly tetragonal, scabrous from adpressed bristles ; 



1 



^aves on short 



nal, few ; calyx hemispherical, with 4-5 acute, linear acute, bristly, 

 deciduous lobes. T^j . G. Native of China. Ker. bot. mag. t. 542. 

 Petals obovate, acuminated, purple, longer than the stamens. An- 

 thers rather falcate. Style filiform, incurved at the apex. Capsule 

 roundish, white, 5-celled. Perhaps 0. Simsii^ no. 8. is the same. 



CAina Osbeckia. Fl. July. Clt. 1818. Sh. 1 to 2 ft. 



17 O. Zeyla'nica (Lin' fil. supph p. 215.) suflJruticose ; 



petioles, ovate-lanceolate, acuminated, 3- ^ ... 



"Served, clothed with adpressed stiff hairs; flowers axillary, branches tetragonal, beset with adpressed bristles ; leaves ovate- 



" " ■ ' lanceolate, rather reflexed, 3-nerved, nearly sessile, strigose ; 



flowers nearly sessile, usually 3-together ; calyx tubular, with 4 

 ovate-oblong lobes ; ovarium crowned by lG-20 bristles. ^ . S. 

 Native of Ceylon, Amboyna, and Manilla, Lam. ill. t. 283. f. a. 

 L Ker. bot. reg.t. 565. O. Chinensis, Gartn. fruct, 2. p, 202. 

 Pluk. ^m. t. 173. f. 4. Calycine scales radiating into ciliae, 



Usually solitary, but capitate at the tops of the branches ; tube 

 of calyx beset with branched stellate pili, ovate : with its scales 

 cUiately pectinated, elongated and distant, and with its lobes 

 £|bated, stiff, and lanceolate. 0. S. Native of Martinique, 

 ^nnidad, Surinam, and Brazil. Hook. bot. mag. 2838. Rhexia 

 glomerata, Rottb. sur. 8. t. 46. Rhexia capit^ta. Rich, in BonpL 



