174 



GENTIANE^E. 



6 FRASE'RA. Corolla rotate, 4-parted ; each segment fur- 

 nished with 1 orbicular bearded gland in the middle. Seeds 

 imbricate, marginate. 



7 GENTIA'NA. Corolla campanulately funnel-shaped, 4-5-cleft. 

 Stigma 2-lobed. Seeds roundish or oblong. 



8 CENTAURE'LLA. Corolla urceolately campanulate, 4-cleft. 

 Stigma thick, glandular, 2-lobed. Seeds small, roundish. 



9 ASTE'RIAS. Calyx spathaceous, 3-4-cleft, split on one 

 side. Corolla subrotate, 5-cleft, furnished with a green gland 

 at the base of each segment. Anthers at first combined, after- 

 wards free. Seeds compressed, winged. 



10 COILA'NTHA. Calyx spathaceous, unequally toothed, 

 split on one side. Corolla campanulate, 5-10-cleft. Stigma 

 bifid. Anthers at first combined. Capsule furnished with 5-7 

 tubercles at the base. Seeds compressed, winged. 



11 EURYTHA'LIA. Corolla salver-shaped: limb 4-5-cleft, 

 with as many bearded or fringed smaller segments inside these, 

 and attached to them at the base. Anthers incumbent. Stigma 

 2-lobed. Seeds compressed, roundish. 



12 PLEUROGYNA. Corolla rotate, 4-5-cleft, with a fringed 

 throat. Anthers incumbent. Stigmas 2, adnate to the ovarium 

 lengthwise on both sides in the sutures. Seeds minute, globose. 



13 ERICA'LA. Corolla funnel-shaped or salver-shaped, 8-10- 

 cleft ; the alternate or accessory segments usually the smallest. 

 Anthers incumbent, ovate or oblong, minute. Seeds ovate or 

 oblong, minute. 



14 PNEUMONA'NTHE. Corolla campanulate or salver-shaped, 

 10-cleft: the alternate or accessory segments usually the smal- 

 lest. Anthers combined. Seeds small, globose, smooth. 



15 GLYPHOSPE'RMUM. Flowers polygamous. Corolla tu- 

 bular, 5-cleft. Anthers incumbent. Stigma capitate, 2-lobed. 

 Seeds orbicular, full of excavated dots, disposed in a single row. 



16 SELA'TIUM. Corolla tubular, 5-lobed. Filaments flat; 

 anthers incumbent. Stigma 2-lobed, nearly sessile. Placentas 

 2, one half shorter than the ovarium. 



17 ULOSTOMA. Corolla funnel-shaped, 5-parted : having the 

 tube bearded with long hairs inside. Filaments dilated: anthers 

 incumbent. Ovarium fusiform. Stigma sessile, 2-lobed. 



18 SCHULTE'SIA. Calyx tubular, 4-cleft, 4-winged. Corolla 

 salver- shaped, with an equal tube, and a 4-cleft limb. Stigma 

 bilamellate. Seeds minute, angular. 



19 CALLOPISMA. Calyx 4-parted ; with keeled segments. 

 Corolla salver-shaped, 4-cleft; with an equal tube. Stigma 

 2-lobed, exserted. Anthers pruinose, opening by a double pore 

 at the apex. Seeds oblong or angular. 



20 TA'CHIA. Calyx tubular, 5-angled, 5-toothed. Corolla 

 funnel-shaped, 5-parted, with a wide throat. Stamens exserted, 

 inclinate. Stigma small, round, bilamellate, exserted ; margins 

 of valves bent into the central placenta. Seeds small, viscid. 



21 PREPU'SA. Calyx campanulate, 6-cleft, 6-winged. Co- 

 rolla campanulate, 6-cleft. Stamens 6. Seeds minute, globose, 

 angular. 



22 ORTHOSTE V MON. Calyx tubular, 4-toothed. Corolla with 

 a short, 4-parted limb. Stamens 4, exserted ; anthers dehis- 

 cing lengthwise. Stigmas 2, roundish. 



23 CHLORA. Calyx 4-8-parted. Corolla salver-shaped, 4- 



5-parted. Stamens 8 ; filaments very short ; anthers linear, 

 erect. Stigma 2-4-cleft. Capsule oval-oblong. Seeds minute. 



24 HIPPION. Calyx viscid, 5-cleft. Corolla viscid, salver- 

 shaped, swelling at the base, and contracted at the orifice ; 

 limb 5~cleft. Stamens 5, exserted. Anthers incumbent. Style 

 declinate. Stigma capitate, slightly cloven. 



25 CANSCORA. Calyx cylindrical or quadrangular. Corolla 

 funnel-shaped : with a 4-cleft unequal limb. Stamens 4, one 

 longer than the rest. Anthers oblong-linear. Stigma 2-lobed. 

 Seeds roundish, minute. 



26 VOHIRIA. Calyx turbinate, 5-cleft; furnished with 2-3 

 scales at the base. Corolla salver-shaped, 5-cleft ; tube long, 

 narrow, tumid at the base. Anthers almost sessile. Stigma 

 capitate, simple. Capsule oblong. Seeds scobiform. 



27 LEIPHA'IMOS. Calyx small, 5-parted. Corolla funnel- 

 shaped, 5-cleft. Anthers sagittate, nearly sessile. Stigma 

 somewhat peltate, sub-bilabiate. Capsule lanceolate ; edges of 

 valves villous. Seeds scobiform. 



28 ENICOSTE'MA. Calyx unequally 5-cleft. Corolla funnel- 

 shaped, 5-cleft. Stamens 5 ; filaments dilated. Stigma capi- 

 tate, subemarginate. Capsule oblong. Seeds scrobiculate. 



29 CRAWFU'RDIA. Calyx tubular, 5-toothed. Corolla cam- 

 panulate, 5-cleft, with or without accessory lobes. Filaments 

 dilated ; anthers erect. Hypogynous disk 5-lobed. Stigma 

 2-lobed, recurved. Seeds with membranous edges. 



SUB-TRIBE II. COUTOU'BEJE. Capsule 2-celleJ, in conse- 

 quence of the margins of the valves being bent into the central 

 column ; margins of valves placentiferous. Anthers remaining 

 unchanged, even in the old state, 



30 COUTOU'BEA. Calyx campanulate, 4-parted. Corolla 

 salver-shaped, 4-parted ; tube equal. Stamens 4, exserted ; 

 filaments bidentate at the base. Anthers sagittate. Stigma 

 bilamellate. Seeds scobiform. 



31 ADENE'MA. Calyx 5-parted. Corolla funnel-shaped, 

 5-cleft. Stamens 5, inclosed ; filaments short, furnished with 

 a gland at the insertion of each ; anthers incumbent. Stigma 

 2-lobed. Seeds scobiform. 



32 SCHUBLE V RIA. Calyx 5-parted. Corolla tubularly campanu- 

 late, 5-cleft. Stamens 5, minute ; anthers oblong. Stigma simple, 

 penicellately glandular. Seeds small, ovate or obovate, angular. 



33 HE"LIA. Calyx campanulate, 5-parted. Corolla salver- 

 shaped ; limb rather oblique, 5-parted : tube inflated in the 

 middle. Stamens 5. Stigma of 2 cylindrical divisions. Seeds 

 small, globose, or angular. 



34 EUDOXIA. Corolla campanulate, 5-cleft. Stamens 5, 

 adnate to the tube of the corolla ; filaments channelled inside ; 

 anthers linear, incumbent. Ovarium fusiform, 2-celled. Stigma 

 sessile, 2-lobed. Ovula orbicular, peltate, concave on one side, 

 with membranous edges. 



SUB-TRIBE III. CHIRONIJE. Capsule I -celled, 2-valved; mar- 

 gins of valves inflexed, seminiferous. Anlhers changed when old. 



35 CHIRONIA. Calyx 5-parted. Corolla salver-shaped, 5-cleft. 

 Stamens 5 ; filaments dilated ; anthers oblong, erect, connivent, 

 at length spirally twisted. Style declinate. Stigma capitate. 



