GESNERIACE.E. I. TREVERANIA. II. GESNERIA. 



645 



29 UTA'XIA. Calyx 5-cleft. Stamens 5, fertile, exserted ; 

 anthers incumbent, bifid at base. Stigma capitate. Berry 

 ovate, longer than the calyx. 



30 FIE'LDIA. Calyx 5-parted, inclosed in a spath-formed 

 bractea, which is cleft on one side. Corolla tubularly ventri- 

 cose ; limb equal, 5-lobed, sub-bilabiate. Stamens 5, 4 fertile 

 exserted, and sterile one inclosed. Stigma bilamellate. Berry 

 spongy, longer than the calyx. ? 



SUBTRIBE IV. 



LOXOTIE'*. Capsule 2-valved, or circumcised. Seeds erect, 

 naked. 



1 . Capsule 2-valied. 



31 LOXOTIS. Calyx tubular, 5-cleft. Corolla tubular ; limb 

 short, bilabiate. Stamens 2, fertile ; sterile ones none, or very 

 minute. Capsule 2-valved. 



32 GLOSSA'NTHUS. Calyx tubular, 5-cleft. Corolla tubular ; 

 limb bilabiate : upper lip very short : lower one large, convex. ? 

 Stamens 4, fertile. Capsule 2-valved. 



33 PLATYSTE'MMA. Calyx ovate, 5-cleft. Corolla rotately 

 bilabiate, 5-cleft, without any tube. Stamens 4, very short, 

 equal; anther 1-celled. Stigma capitate, entire. Ovariutn 

 roundish-ovate, 2-celled. 



34 OURI'SIA. Calyx 5-parted. Corolla funnel-shaped ; limb 

 5-cleft, equal. Stamens 4, fertile. Stigma capitate, emarginate. 

 Placentas globose, adnate to the dissepiment. 



2. Fruit capsuUtr, circumcised. 



35 STAURANTHE'RA. Calyx subrotately campanulate, 5-pli- 

 cate, somewhat 10-cleft. Corolla with a very short tube, am- 

 ple, oblique, somewhat 5-cleft at top. Stamens fertile, 4 ; 

 anthers heart-shaped, cohering in a cruciate manner. Capsule 

 circumcised. 



36 AIKI'XIA. Calyx tubular, 5-cleft. Corolla bilabiate, 

 spreading. Stamens 4, 2 lower ones sterile. Capsule girded 

 by the calyx, 1-celled, circumcised. 



f- A genus doubtful whether belonging to Gesneriacece or 

 Bignoniacece. 



37 AMPHICOME. Calyx tubular, 5-toothed. Corolla tubular, 

 ventricose near the base : limb 5-lobed, ciliated. Stamens 4, 

 didynamous, with the rudiment of a fifth. Stigma bilamellate. 

 Capsule silique-formed. Seeds winged at both ends, and bearded. 



I. TREVERANIA (named in honour of Lud. Christ. Tre- 

 veranus, M.D., professor of botany in the university of Bonn, oil 

 the Rhine.) Willd. enum. 2. p. 638. Mart. nov. gen. bras. 3. p. 

 56. Cyrilla, Lher. Achimenes species, P. Browne. Achi- 

 menes, Pers. Columnea species, Lam. 



LIN. SYST. Didynamia, Angiospermia. Calyx adnate to the 

 ovarium ; limb 5-parted, nearly equal. Corolla funnel-shaped ; 

 tube rather oblique, gibbous behind at the base ; limb nearly 

 equal, spreading, 5-lobed. Stamens didynamous, with the rudi- 

 ment of a fifth ; anthers connected. Ovarium girded by a 

 ring. Capsule dry, 1-celled, or half 2-celled; placentas 2, 

 parietal. Seeds many, scobiform. Branched, pubescent, peren- 

 nial herbs, furnished with scaly ament-formed stolons under 

 ground, and sometimes from the axils of the leaves. Leaves 

 opposite, or 3 in a whorl, serrated. Flowers axillary, solitary, 

 or few and aggregate. 



1 T. POLCHE'LLA (Willd. enum. 2. p. 638.) plant tomentosely 

 hairy ; leaves 3 in a whorl, ovate, acuminated at both ends, 

 serrated, with minute leaves in the axils ; peduncles solitary, 

 axillary, y. . S. Native of Jamaica, among the mountains in 

 steep places. Cyrilla pulchella, Lher. stirp. 1. p. 147. t. 71. 

 Curt. bot. mag. 374. Buchnera coccinea, Scop, insubr. 2. p. 

 10. t. 5. Columnea erecta, Lam. diet. 2. p. 66. Achimenes 

 minor, P. Browne, jam. 271. t. 38. Achimenes coccinea, Pers. 

 ench. 2. p. 165. Gesneria pulchella, Swartz. prod. p. 90. 

 Corollas scarlet. Genitals inclosed. Capsule somewhat 2-celled. 



Neat Treverania. Fl. Aug. Sept. Clt. 1778. PI. 1 to U 

 foot. 



2 T. GRANDIFLORA (Schiede, in Linnaea, 8. p. 247.) beset 

 with spreading hairs ; leaves opposite, equal, ovate, acute, ob- 

 lique at the base, coarsely serrated. If. . S. Native of Mex- 

 ico, on shady places near the Hacienda de La Laguna. Leaves 

 green above, and reddish beneath, very like those of elm ; the 

 largest ones 1| to 2 inches long. Corollas large, of a violet 

 purple colour. Genitals inclosed. Lobes of corolla roundish, 

 quite entire. 



Great-Jlorvered Treverania. PI. 1 foot. 



3 T. HETEROPHY'LLA (Mart. nov. gen. bras. 3. p. 56.) plant 

 sparingly pilose ; leaves opposite, the one smaller than the 

 other, cordate ovate, acuminated, coarsely serrated. I/. S. 

 Native of Mexico, Karwinski. Largest leaves 1-3 inches long. 

 Flowers solitary, or twin. Corolla scarlet ; lobes roundish, 

 ciliated. Genitals inclosed. 



Variable-leaved Treverania. PI. ^ to 1 foot. 



Cult. The species of this genus are exceedingly beautiful 

 when in flower, like most of the other genera of the present 

 order. A mixture of sand, loam, and peat is the best soil for 

 them. As soon as the plants are done flowering they should 

 not have any water given to them until the roots begin again 

 to vegetate, when they should be taken out of the pots and 

 divided. Five or six strong roots are sufficient for a sixty size 

 pot. After this has been done, they require moisture and 

 warmth to make them grow strong, and flower in perfection. 



Tribe I. 



GESNERIE'jE (this tribe contains plants agreeing with Ges- 

 neria in the characters given below.) Calyx usually adhering to 

 the ovlarium at the base; the ovarium is, therefore, half inferior. 

 Seeds albuminous. 



Subtribe 1. 



GLOXINIF..E (this subtribe contains plants agreeing with 

 the genus Gloxinia in the characters given below.) Calyx ad- 

 nate to the ovarium. Corolla half inferior, perigynous. 



II. GESNE V RIA (a name given by Plumier in honour of 

 Conrad Gesner, of Zurich, the famous botanist and natural his- 

 torian.) Lin. gen. no. 749. Gaertn. fruct. 2. p. 472. t. 177. 

 Juss. gen. 165. ed. Usteri. p. 184. H. B. et Kunth, nov. gen. 

 3. p. 392. Mart. nov. gen. bras. 3. p. 27. 



LIN. SYST. Didynamia, Angiospermia. Calyx adnate to the 

 ovarium ; limb nearly equally 5-lobed, free. Corolla semi- 

 superior, tubular, with 5 gibbosities at the base ; limb sub- bila- 

 biate : upper lip drawn out, emarginately 2-lobed : lower lip 3- 

 lobed. Stamens didynamous, with the rudiment of a fifth 



