751. 



MELASTOMACEJE. XXXII. CHJETOGASTRA. 



Stachys-like Chaetogastra. PI. 2 feet. 



11C. CILIA'RIS (D. C. 1. c.) stem herbaceous, tetragonal, and 

 is as well as the petioles and peduncles hispid ; leaves on short 

 petioles, oblong, acuminated, serrulated, 5-nerved, beset with 

 stiff villi above and densely clothed with pale soft villi beneath ; 

 cymes terminal, subcorymbose ; calyx very villous, with short, 

 lanceolate lobes ; connectives of anthers bluntly biauiiculated at 

 the base. I/. S. Native of Santa Fe de Bogota, ex herb. 

 Humb. Meriania ciliaris, Vent, choix. t. 34. Osbeckia ciliaris, 

 Ser. mss. Flowers purple. Petals obovate, ciliated. Stamens 

 glabrous. 



< ;//V;W-petalled Chaetogastra. PI. 1 foot. 



12 C. TORTUOSA (D. C. 1. c.) branches loose, terete, rather 

 hairy ; leaves petiolate, lanceolate, 3-nerved, quite entire, rather 

 villous; flowers nearly terminal, 1 -3-together ; tube of calyx 

 ovate, villous, almost equal in length to the lobes which are 

 nearly subulate ; connectives of anthers simple, but bifid at the 

 apex, fj . S. Native of Mexico, in arid places, near Tasco. 

 Rhexia tortuosa, Bonpl. rhex. t. 7. Osbeckia tortuosa, Spreng. 

 syst. 2. p. 312. Flowers small, white. 



Twisted Chsetogastra. Shrub 1 foot. 



13 C. DIVARICA'TA (D. C. 1. c.) plant herbaceous, rather sar- 

 mentose ; stem acutely tetragonal, divaricately branched at the 

 apex, and scabrous along the angles ; leaves on short petioles, 

 lanceolate, acute, 3-nerved, ciliated, scabrous at the angles be- 

 neath ; flowers disposed in a loose dichotomous panicle ; calyx 

 pentagonal, scabrous on the angles ; petals ovate, awned, ciliated. 

 If. . ? S. Native on the banks of the Orinoco, in shady places. 

 Rhexia divarieata, Bonpl. rhex. t. 22. Osbeckia divarieata, 

 Spreng. syst. 2. p. 312. Flowers rose-coloured. 



Divaricate Chsetogastra. PI. sarmentose. 



14 C. GRA'CILIS (D. C. prod. 2. p. 133.) herbaceous, erect, 

 nearly simple, naked at the apex ; stem tetragonally terete, vil- 

 lous ; leaves almost sessile, lanceolate-linear, acute, quite en- 

 tire, 3-5-nerved, villous ; pedicels axillary, 1 -flowered : and 

 terminal, in threes ; tube of calyx ovate, about equal in length 

 to the lobes, which are lanceolate and acuminated. If. . S. 

 Native of Brazil, in elevated grassy fields about Rio Ja- 

 neiro. Rhexia gracilis, Kunth, in Bonpl. rhex. t. 52. Rhexia 

 agrostemma, Mart, et Schrank. mss. Root creeping. Petals 

 violaceous. Anthers elongated, acutish, opening by 1 pore. 

 Capsule 5-celled. Seeds cochleate. 



Slender Chaetogastra. PI. 2 to 3 feet. 



15 C. FRATE'RNA (D. C. 1. c.) herbaceous, erect; stem from 

 compressed to terete, scabrous from adpressed short bristles ; 

 leaves hardly petiolate, oblong-linear, acute, 5-nerved, nearly 

 entire, beset with adpressed bristles ; racemes panicled, ter- 

 minal, elongated ; tube of calyx ovate, beset with adpressed 

 bristles : with the lobes lanceolate, acute, coloured and glabrous 

 on the inside. 5/ . S. Native of South America. Very like 

 C, gracilis. 



Brotherly Chaetogastra. PI. 1 to 2 feet. 



16 C. HIRSU'TA (D. C. 1. c.) plant herbaceous, erect, almost 

 simple ; stem terete, densely clothed with spreading hairs ; 

 leaves sessile, lanceolate, 5-nerved ; cymes axillary, peduncu- 

 late and terminal, almost disposed in a panicle ; petals ciliated 

 at the apex ; calyx bristly, with an ovate tube and 5 lanceolate 

 acuminated lobes, i;. S. Native of Brazil. Very like C. 

 gracilis, but differs in the stem being hairy, not beset with ad- 

 pressed bristles. 



Hairy Chaetogastra. PI. 1 to 2 feet. 



17 C. IIIERACIOIDES (D. C. 1. c.) almost herbaceous; stems 

 simple, and are as well as the leaves and calyxes very hairy ; 

 leaves sessile, ovate, acute, 5-nerved, very few at the base of the 

 stem; cymes racemosely panicled, contracted; flowers with 18 

 stamens ; calyx very villous, with lanceolate, pectinately ciliated 



lobes ; petals obovate ; anthers elongated, acute. % . S. Na- 

 tive of Brazil, in the province of Minas Geraes, on the more 

 elevated mountains, in fields. Rhexia hieracioides, Mart, et 

 Schrank, mss. Very like Rhexia piloselloides of Bonpl. but 

 the leaves are much broader, and 5-nerved, not 7-nerved, and 

 all parts of the plant are much more hairy, the flowers more 

 numerous, and on shorter pedicels, and according to Schrank 

 the petals are obovate, of pale lilac colour, not yellow, nor ter- 

 minated by a hair, and in the anthers being twice the length. 

 Ilawkiveed-llkc Chaetogastra. PI. 1 foot. 



18 C. STRIGILLOSA (D. C. 1. c.) almost herbaceous, erect, 

 densely clothed with adpressed stiff pili ; leaves on short pe- 

 tioles, oval, acute, 5-nerved ; peduncles longer than the leaves, 

 bearing sessile flowers in the axils of the bracteas ; flowers de- 

 candrous. 1.S. Native of Brazil, in the province of Minas 

 Geraes, on the sides of mountains. Rhexia strigillosa, Schrank 

 et Mart. mss. Stem a foot high, hardly branched. Leaves 

 nearly 3 inches long. Flowers purple, 9-10 lines in diameter; 

 lobes of calyx lanceolate-linear. Petals obovate, ciliated. An- 

 thers having their connectives hardly produced under the cells, 

 tumid, straightish, and acuminated at the base. Allied to C. 

 liieracioides. 



Slrigillose Chaetogastra. PI. 1 foot. 



19 C. SHERARDIO'IDES (D. C. 1. c.) plant erect, herbaceous, 

 branched, rough from strigose adpressed short pili ; leaves on 

 very short petioles, narrow-lanceolate, quite entire, 3-nerved ; 

 flowers terminal, 3-together, or axillary and solitary, decandrous. 

 T{. S. Native of Peru, ex Haenke, or of Brazil, in the pro- 

 vince of Minas Geraes, ex Mart. Rhexia sherardioides, Schrank, 

 mss. Leaves 6-7 lines long and 2-3 broad. Flowers middle- 

 sized. Tube of calyx ovate ; lobes 5, linear-subulate, elon- 

 gated. Anthers linear, acuminated, drawn out at the base into 

 a long pedicel each, which ends in 2 bristles. Style long, and is as 

 well as the filaments glabrous. 



Sherardia-like Chactogastra. PI. \ foot. 



20 C. CLINOFODIFOLIA (D. C. 1. c.) plant herbaceous, of many 

 stems, beset with long villi in every part ; leaves petiolate, ovate, 

 serrulated, 3-nerved ; flowers axillary, on short pedicels, soli- 

 tary : or terminal, in threes ; calyx hispid, campanulate, 5-toothed ; 

 anthers equal. If. . S. Native of Brazil, in the provinces of 

 St. Paul and Rio Janeiro, in shady woods. Melastoma repens, 

 Schrank et Mart. mss. but the fruit is capsular, not baccate. 

 Herb humble. Root fibrous. Flowers small. Anthers ovate, 

 opening by 1 pore, having short hardly auricled connectives. 

 Capsule globose, 5-celled, free, dehiscent. Seeds cochleate. 

 Bristles on the ovarium few. Appendages hardly any, bristly, 

 and rather palmate at the base. 



Clinopodium-leaved Chaetogastra. PI. ^ foot. 



21 C. MOI.LIS (D. C. prod. 3. p. 134.) shrubby ; branches 

 terete, clothed with soft adpressed villi ; leaves petiolate, ovate, 

 acuminated, 7-nerved, beset with soft villi ; thyrse panicled, 

 terminal, crowded, hairy ; tube of calyx ovate, velvety, about 

 equal in length to the lobes, which are linear ; petals oval, acu- 

 minately mucronate ; anthers almost without auricles at the 

 base. 17 . S. Native of Peru, in groves about Loxa. Rhexia 

 mollis, Bonpl. rhex. t. 19. Flowers of a violaceous blue colour. 

 Ovarium hairy. 



Soft Chaetogastra. Shrub 6 feet. 



22 C. CANE'SCENS (D. C. 1. c.) shrubby ; branches terete, and 

 are as well as the leaves densely clothed with short hairs ; leaves 

 petiolate, ovate-lanceolate, 3-nerved, quite entire ; flowers sub- 

 terminal, usually 3 together, drooping, on short pedicels ; calyx 

 rather hairy, with an ovate tube, which is about the length of 

 the lobes ; connectives of anthers hardly evident ; anthers 

 bluntly bifurcate at the base. Jj . S. Native of cold places, 

 on Mount Purase at Popayan, where it is called Sarzilcja. 



