644 



GESNERIACEiE. 



base ; the ovarium is therefore half inferior. Seeds albumi- 

 nous. 



SUBTRIBE I. 



GLOXINIE'/E. Calyx adnate to the ovarium. Corolla half 

 inferior, perigynous. 



1 TREVERA'NIA. Ring round the ovarium entire. Corolla 

 oblique ; limb spreading. 



2 GESNE'RIA. Glands around the ovarium free. Corolla 

 straightish, tubular, furnished with 5 gibbosities at the base. 



3 GLOXI'NIA. Glands as in Gesneria. Corolla very oblique, 

 campanulately ringent, with only one gibbosity at the base. 



SUBTRIBE II. 



CONRADIE\E. Calyx adnate to the ovarium. Corolla supe- 

 rior. Leaves alternate or scattered. 



4 RYTIDOCA'RPUM. Epigynous ring thick and sinuated. 

 Leaves stipulate. 



5 CONRA'DIA. Ring or glands scarcely present. 



SUBTRIBE III. 



BESLERIE\. Calyx free. Corolla inferior. 



6 SARMIE'NTA. Fruit baccate. Ring hypogynous. Stamens 

 4, 2 hind ones perfect : front ones abortive. 



7 BESLE'RIA. Fruit baccate. Ring hypogynous. Stamens 

 4, all perfect, with a chaff-formed rudiment of a fifth. 



8 HYPOCY'RTA. Fruit baccate. Glands hypogynous. An- 

 thers connected. Corolla tubular, ventricose in front. 



9 COLU'MNEA. Fruit baccate. Glands hypogynous. An- 

 thers connected. Corolla tubular, ringent : hind lip arched. 



10 MITRA'RIA. Fruit baccate. Glands hypogynous. An- 

 thers free. Bracteas mitre-formed. 



11 DRYMONIA. Fruit capsular. Rudiment of a fifth stamen 

 wanting. Corolla very oblique, campanulately ringent ; throat 

 ample. 



12 KLU'GIA. Fruit capsular. Rudiment of a fifth stamen 

 wanting. Stigma capitately truncate. Corolla tubular, rin- 

 gent. 



13 TAPI'NA. Fruit capsular. Rudiment of a fifth stamen 

 present. Corolla very oblique, campanulately ringent, with a 

 constricted throat. 



14 NEMATA'NTHUS. All as in Tupma; except that the co- 

 rolla is campanulate, and its limb nearly equal and spreading. 



15 ALLOPLE'CTUS. Fruit capsular. Rudiment of a fifth sta- 

 men present. Corolla straightish, club-shaped or funnel-shaped. 

 Stigma capitately funnel-shaped. 



16 EPI'SCIA. All as in Allopleclus ; except that the corolla 

 is tubularly funnel-shaped, and the stigma 2-lobed. 



TRIBE II. 



CYSTANDRA V CE.E. Ovarium wholly superior. Seeds exalbu- 

 minous. 



SUBTRIBE I. 



TRICHOSPORE^E. Capsule silique-formed, terete. Seeds pen- 

 dulous, expanded at both ends, or only at the apex or base 

 into a setaceous or membranous wing. 



17 TROMSDORFFIA. Calyx tubular, somewhat 5-cleft. Sta- 

 mens 4, 2 of which are sometimes sterile, inclosed. Stigma 

 sub-bilamellate. Seeds furnished with a membranous wing at 

 the base. 



18 JSCHYNA'NTHUS. Calyx ventricose, tubular, 5-cleft. Sta- 

 mens 4, fertile, exserted, with the rudiment of a fifth, inclosed. 

 Stigma somewhat funnel-shaped. Seeds drawn out into a 

 bristle-formed tail at both ends. 



19 LYSIONOTIS. Calyx deeply 5-cleft, or 5-parted. Stigma 

 capitate. Anthers, capsule, and seeds as in Mschyndnthus. 



20 AGALMY'LA. Calyx 5-parted. Stamens 5, 2 or 4 of 

 which are fertile, and exserted. Stigma bilamellate. Capsule 

 and seeds as in JEachynlmthus, 



SUBTRIBE II. 



DIDYMOCA'RPEJE. Capsule silique-formed. Seeds pendulous, 

 minute, naked. 



21 STREPTOCA'RPUS. Calyx 5-cleft. Corolla tubularly fun- 

 nel-shaped ; limb 5-lobed, nearly equal, oblique. Stamens 4, 

 2 front ones fertile ; and the other 2 tubercle-formed and sterile. 

 Valves of capsule twisted. Stigma 2-lobed. Seeds minute, 

 naked. 



22 DIDYMOCA'RPUS. Calyx campanulate, bluntly 5-toothed, or 

 5-lobed. Corolla tubular ; limb spreading. Stamens 4, rarely 

 5, inclosed, 2 or 4 of which are antheriferous. Cells of anthers 

 divaricate. Stigma obtuse, or simple. Seeds subulate, or 

 roundish. 



23 CHIRATA. Calyx 5-cleft, inflated, 5-angled. Corolla 

 funnel-shaped ; limb bilabiate. Stamens 5, inclosed, 2 lower 

 ones fertile; anthers reniform, 1-celled. Stigma funnel-shaped, 

 2-lobed. Seeds subulate, acute at both ends. 



SUBTRIBE III. 



CYRTA'NDREJE. Fruit baccate. Seeds pendulous, naked. 



24 CYRTA'NDRA. Calyx tubular, 5-cleft. Stamens 5, 3 of 

 them sterile. Cells of anthers parallel. Stigma capitate, some- 

 times emarginate. Berry a little longer than the calyx. 



25 WHI'TIA. Calyx small, 5-parted. Stamens as in Cyrtdn- 

 dra, but exserted ; cells of anthers unequal in insertion. Stigma 

 somewhat funnel-shaped. Berry much longer than the calyx. 



26 RHYNCHOTE'CUM. Calyx 5-cleft. Stamens 4, fertile, in- 

 closed ; anthers 1-celled. Stigma obtuse. Berry globose, 

 inclosed. 



27 LOXO'NIA. Calyx tubular, 5-cleft. Stamens 4, fertile, 

 inclosed ; anthers sagittate. Stigma bilamellate. Berry oblong, 



nclosed. 



28 CENTRO'NIA. Calyx spathaceous, cleft. Stamens 4, fer- 

 tile, inclosed ; anthers 1-celled, spurred at the base. Stigma 

 capitate. Berry longer than the calyx. 



