MELASTOMACEJE. 



729 



apex. Capsule dry. Seeds ovate or angular, with a lateral 

 linear hilum. 



1 MERIA'NIA. Calyx campanulate (f. 108. a.), 5-6-lobed ; 

 lobes subulate at the apex (f. 108. 6.). Petals 5-6 (f. 108. d.). 

 Anthers opening by 2 pores, furnished with a short spur at the 

 base. Capsule 5-6-celled ; placentas lunate. 



2 AXINJE'A. Calyx cup-shaped, 5-6-toothed. Petals 5-6. 

 Anthers opening by two pores, ending in a simple spur at the 

 base. Capsule 5-6-celled. 



3 CHASTEN^' A. Calyx campanulate, truncate, entire. Petals 

 5. Stamens 10. Anthers linear, acute, opening by 1 pore: 

 having the connectives drawn out into an ample roundish ap- 

 pendage at the base. Capsule 5-celled. 



4 LAVOISIE'RA. Calyx turbinate, 5-10-lobed. Petals 5-10. 

 Stamens 10-20. Anthers opening by 1 pore, furnished with a 

 short, blunt beak ; the alternate ones drawn out into a 2-lobed 

 appendage at the base. Capsule 5-10-celled. 



5 DA'VYA. Calyx campanulate, with the teeth concrete into 

 an entire, membranous limb. Petals 5-6. Anthers beaked, 

 opening by 1 pore : having the connectives drawn out at the base 

 in a simple or bristled spur. Capsule 5-celled. 



6 GRAFFENRIE'DA. Calyx campanulate, bluntly 5-toothed. 

 Petals 5. Stamens 10. Anthers linear, acute, opening by 1 

 pore, furnished each with a simple appendage at the base. Cap- 

 sule 5-valved. 



7 CENTRONIA. Calyx oblong, beset with bristles ; with a 

 coarctate, entire limb. Petals 5. Anthers with a long beak, 

 and furnished with a long subulate process at the base. Capsule 

 5 -celled. 



8 TRUNCA'RIA. Calyx cylindrical ; limb truncate, almost en- 

 tire. Stamens 10. Anthers elongated, beaked, but without any 

 process at the base, opening by 1 pore. 



9 RHYNCHANTHE'RA. Tube of calyx ovate, globose ; lobes 5, 

 linear or setaceous. Petals 5. Stamens 10, 5 of which are ste- 

 rile. Anthers ending in a long beak, with the connectives long 

 and auricled at the base. Capsule 3, but usually 5-celled. 



10 MACAI'REA. Tube of calyx ovate; lobes 4. Petals 4. 

 Stamens 8, the 4 longest beset with glandular hairs inside. 

 Anthers linear, opening by 1 pore : in 4 of which the connective 

 is elongated and stipe-formed. Capsule 4-celled. 



11 BUCQUE'TIA. Tube of calyx globose; lobes 4, broad. 

 Petals 4. Stamens 8, equal. Anthers opening by 1 pore, 

 without any auricle at the base. Ovary furnished with 4 tuber- 

 cles at the apex. Capsule 4-celled. 



12 CAMBESSEDE'SIA. Tube of calyx globose ; lobes 5, nar- 

 row. Petals 5. Stamens 10. Anthers linear, falcate, a little 

 beaked, drawn out at the base into an obtuse, undivided auricle, 

 each of various lengths. Capsule 3-celled. 



13 CH^TOSTOMA. Tube of calyx obovate-turbinate, girded 

 by a ring of 4-5 stiff bristles under the lobes, which are 4-5. 

 Petals 4-5. Anthers with short beaks, with the connectives hardly 

 drawn out at the base. Capsule prismatic, 4-5-gonal. 



14 SALPI'NGA. Calyx oblong-turbinate, 8-10-ribbed, 4-5- 

 toothed. Petals 4-5. Stamens unknown. Capsule trigonal, 

 3-valved. 



15 BERTOLONIA. Calyx campanulate, 5-lobed; lobes some- 

 VOL. u. 



times nearly obsolete. Petals 5. Anthers ovate-obtuse, open- 

 ing by 1 pore : attenuated at the base, but hardly or not auri- 

 culated. Capsule trigonal, 3-valved. 



16 MEISNE'RIA. Calyx globose, 4-lobed. Petals 4. Sta- 

 mens 8. Anthers ovate, beaked, tubular : in 4 of which the con- 

 nective is long and auricled at the articulation, in the other 4 

 it is hardly evident. Capsule 2-celled. 



TRIBE II. 



RHEXIE'*:. Anthers opening by 1 pore at the apex. Ova- 

 rium free, neither scaly nor bristly at the apex. Capsule 

 dry. Seeds cochleate, with an orbicular basilar hylum. Species 

 all American, except one. 



17 APPENDICULA'RIA. Tube of calyx somewhat urceolate ; limb 

 somewhat campanulate, bluntly 4-toothed. Petals 4. Stamens 

 8, equal. Connectives drawn out into 2 long bristles at the 

 articulation beneath and above the cells of the anthers. Cap- 

 sule 3-celled, 3-valved. 



1 8 COMOLIA. Tube of calyx campanulately cylindrical ; lobes 

 4-linear. Petals 4. Anthers 8, oblong-linear, falcate ; having their 

 connectives short and drawn out into 2 auricles at the articula- 

 tion. Capsule ovate, 2-celled. 



19 SPE'NNERA. Calyx globose, with 4-5 short lobes. Pe- 

 tals 4-5. Stamens 8-10. Anthers ovate, obtuse, with their con- 

 nectives long, but not appendiculated. Capsule 2, rarely 3-celled. 



20 MICROLI CIA. Calyx globose, or obovate ; lobes 5, su- 

 bulate. Petals 5. Anthers alternately dissimilar, ovate, short- 

 beaked, with their connectives drawn out into a simple spur at the 

 articulation. Capsule 3-celled, 3-valved. 



21 ERNE'STIA. Calyx globose ; lobes 4, narrow. Petals 

 ciliated. Anthers triquetrous, drawn out at the base into 2 long 

 bristles. Capsule 4-celled. 



22 SIPHANTHE'RA. Calyx campanulate, 4-toothed, girded 

 by many bracteas. Petals 4. Stamens 4. Anthers furnished 

 with an obcordate, ascending process at the base, and a tubular 

 beak at the apex. Capsule depressed, 2-celled, obcordate. 



23 RHE'XIA. Tube of calyx ventricose (f. 109. a.) at the 

 base, but narrowed into a neck at the apex (f. 109. &.), limb 

 4-cleft. Petals 4. Anthers 8 (f. 108. c.), with their connectives 

 hardly evident and not auriculated. Capsule at the bottom of 

 the calyx, 4-celled ; placentas lunate, pedicellate. 



24 HETERONOMA. Calyx tubular, 4-toothed. Petals 4. 

 Anthers 8, alternate ones longer ; the connectives of the shorter 

 ones drawn out into 2 bristles, of the longer ones into a linear ap- 

 pendage, each of which is bifid at the apex. Capsule 4-celled. 



25 PACHYLOMA. Calyx obconically cylindrical, drawn out 

 beyond the ovarium, hardly 4-toothed. Petals 4. Stamens 8, 

 equal. Anthers linear, elongated : with the connectives long in 

 4 of them, and drawn out into a simple bristle-like appendage at 

 the base, but in the other 4 drawn out into 2 bristle-like ap- 

 pendages each. 



26 OXY'SPORA. Calyx oblong, 4-lobed. Petals 4. Sta- 

 mens 8, equal. Anthers elongated, drawn out into 2 blunt 

 spurs at the base, with their connectives hardly perspicuous. 

 Capsule 4-celled, 4-valved. 



27 TRICE'NTRUM. Calyx ovate ; lobes 4, narrow, often with 

 5 A 



