SIBTHORPIACE.E. VI. SCOPARIA. VII. ROMAXZOFFIA. GESNERIACE^. 



643 



edges. The French call the plant Balai doux, or Street Besom ; 

 the Spaniards Escobilla menuda, or Little Besom. An infusion 

 of it is used for disorders of the breast. According to Browne 

 it may be considered as an excellent vulnerary. Leaves and 

 branches usually 3 in a whorl. 



Var. f3, procumbens ; leaves in fours ; flowers nearly sessile. 

 0. S. Native of New Spain. S. procumbens, Lin. spec. 168. 

 Stems procumbent. Leaves narrower. 



Var. y, arborea; leaves lanceolate, alternate, quite entire; 

 corymbs compound, trichotomous. *j . G. Native of the Cape 

 of Good Hope. S. arborea, Lin. syst. 157. Thunb. prod. 29. 

 V illd. spec. 1. p. 653. This is surely a species Freylinia. 



Sweet Scoparia. Fl. June, Sept. Clt. 1730. PI. 1 to 3 feet. 



2. Calyx 5-cleft. 



2. S. FLA'VA (Cham, et Schlecht, in Linnaea, 2. p. 603.) leaves 

 lanceolate, tapering into the petioles, toothed ; peduncles gla- 

 brous ; calycine segments acute, with pellucid edges. 1{ . F. 

 Native of Brazil, in the province of Cisplatin, Sello. Micro- 

 carpas'a Montevidensis, Spreng. syst. 1. p. 42. Corollas pale 

 yellow. Leaves and branches 4 in a whorl. 



JWfow-flowered Scoparia. PI. \ to H foot. 



3 S. ERICA'CEA (Cham, et Schlecht, 1. c. p. 604.) shrubby ; 

 leaves linear, quite entire ; peduncles pubescent ; calycine seg- 

 ments acute, with pellucid margins. J; . G. Native of the 

 South of Brazil, Sello. Shrub much branched, glabrous. 

 Leaves opposite, on tetragonal branches ; 3 in a whorl, on hexa- 

 gonal branches ; and 4 in a whorl, on polygonal branches. 



Heath-like Scoparia. Shrub 1 to 2 feet. 



4 S. PLEBE'IA (Cham, et Schlecht, 1. c. p. 605.) leaves nearly 

 linear, a little toothed ; peduncles glabrous ; calycine segments 

 acute, a little ciliated. . S. Native of the South of Brazil, 

 Sello. Branches hexagonal. Leaves 3 in a whorl. 



Plebeian Scoparia. PI. 1 to li foot. 



5 S. ELLI'PTICA (Cham, et Schlecht, in Linnaea, 8. p. 21.) an- 

 gles of branches winged a little ; peduncles, calyxes, nerves, and 

 margins of leaves pilose ; leaves elliptic, coarsely serrated in 

 front ; calycine segments acute, with pellucid edges, and finely 

 ciliated towards the apex. . S. Native of Brazil, Sello. 

 Primary stems and branches tetragonal : branchlets pentagonal, 

 or hexagonal. Leaves nearly sessile, opposite, or 3 in a whorl. 

 Corolla exceeding the calyx a little, longer than those of S. 

 dulcis. 



Elliptic-leaved Scoparia. PI. 1 to li foot ? 



6 S. MULTI'FIDA (Cham, et Schlecht, 1. c. 8. p. 22.) leaves 

 linear, pinnatifid ; peduncles glabrous ; calycine segments un- 

 equal, acutish, with pellucid edges : corolla twice the length of 

 the calyx. Ij . S. Native of Brazil, Sello. Leaves opposite, 

 or 3-4 in a whorl. 



Multifd-]ea\ed Scoparia. Shrub \ to 1 foot. 



Cult. For culture and propagation of annual species see 

 Capraria, p. 642. and of the shrubby species see Xuarezia, 

 p. 642. 



VII. ROMANZO'FFIA (named in honour of Count Roman- 

 zoff, at whose expence the voyage of Kotzebue round the world 

 was undertaken.) Cham. hor. phys. berol. p. 71. t. 14. Lin- 

 nasa, 1. p. 547. 2. p. 607. 



LIN. STST. Pentdndria, Monogynia. Calyx 5-cleft, perma- 

 nent. Corolla salver-shaped, deciduous. Stamens 5, inserted 

 in the bottom of the tube of the corolla. Stigma capitate, sim- 

 ple. Capsule ovate, obtuse, 2-valved, many-seeded ; dissepi- 

 ment contrary to the valves. Seeds obovate, angular. Fleshy, 

 pilose herbs, with alternate leaves. Root praemorse, fibrous. 

 Stems many, usually simple. Radical leaves roundish-reniform, 

 cordate, many-lobecl, or crenated ; cauline leaves few, similar to 



the radical ones. Flowers white, bractless, marked with veins, 

 racemose ; raceme secund, revolute at top. 



1 R. UNALASCHE'NSIS (Cham. 1. c.) radical leaves on long 

 petioles, reniformly-cordate, many-lobed, or crenated, pilose ; 

 petioles channelled, pilose ; stem usually simple, tufted, few- 

 leaved ; flowers racemose, ^ . H. Native of the Island of Una- 

 lascha, in valleys, growing in the fissures of rocks. Saxifraga 

 nutans, D. Don, in Lin. trans. 13. no. 2. Saxifraga secunda, 

 Willd. herb. no. S408. Calycine segments lanceolate, bluntish. 

 Lobes of corolla equal, roundish. Filaments capillary ; anthers 

 2-celled, incumbent. Placentas 4, linear, 2 in each cell, adnate 

 longitudinally to the dissepiment along the axis. Seeds nu- 

 merous, minute, angular, scrobiculate. Albumen cartilaginous. 

 Embryo in the axis of the seed, cylindrical, erect. 



Unalascha Romanzoffia. PI. ^ to J foot. 



2 R. SITCHE'NSIS (Bongard, mem. acad. imp. st. petersb. 2. p. 

 156.) radical leaves on long petioles, roundish-reniform, coarse- 

 ly-toothed, glabrous, rarely furnished with a few hairs ; petioles 

 glabrous, or pilose dilated ; stems tufted, simple, or dichoto- 

 mous, furnished with 1-2 leaves, similar to the radical ones ; 

 flowers racemose. "H. H. Native of the Island of Sitcha. 

 Plant a span high. Petioles dilated at the base, 2-4 inches 

 long. Calycine segments lanceolate. Corollas largish, 5-cleft, 

 rarely 4-cleft. Stamens 4-5, alternating with the lobes of the 

 corolla. Stigma 2-lobed. 



Sitcha Romanzoffia. PI. to f foot. 



Cult. Should any of these plants ever be introduced to our 

 gardens, we would recommend their being grown in pots in a 

 mixture of peat soil and sand. 



ORDER CLXXIV. GESNER^A'CE^ (this order agrees 

 with Gcsneria in the characters given below.) Gesnereae, 

 Richard, et Juss. in ann. mus. 5. p. 427. H. B. et Kunth, nov. 

 gen. amer. 2. p. 392. Mart. nov. gen. 3. p. 68. Cyrtandraceae, 

 Jack, in Lin. trans. 14. p. 23. Didymocarpeae, D. Don, prod. 

 fl. nep. p. 122. 



Calyx 5-cleft. Corolla oblique ; tube drawn out behind and 

 in front above, or tubular at the base ; limb 5-cleft, sub-bila- 

 biate. Stamens 4, didynamous, with usually the rudiment of a 

 fifth, alternating with the divisions of the corolla : the upper one 

 or more of them abortive. Anthers distinct, cohering by 

 pairs, or altogether. Ovarium 1-celled ; placentas 2, pari- 

 etal, bilamellate. Fruit capsular or baccate, silique-formed, or 

 round. Seeds numerous, hanging by long funicles, or erect. 

 Albumen copious or wanting. Embryo straight, slender. 

 Herbs or shrubs, usually tuberescent at the base. Leaves op- 

 posite or verticillate, rarely alternate, thickish, entire. Inflo- 

 rescence cytnose, rarely racemose. Down or hairs simple. 

 Cymes axillary or racemose, from the flowers being axillary and 

 solitary. Corollas beautiful, of various colouring, scarlet, vio- 

 let, blue, lilac, rose-coloured, green, cream-coloured, and white ; 

 of one colour or spotted, or marked with other colours. Roots 

 usually tuberous. Stems erect, decumbent or parasitical, and 

 climbing on trees. Leaves entire or quite entire, thickish, green 

 above, but often purple or reddish beneath. Leaves emol- 

 lient. 



Synopsis of the genera. 



TRIBE I. 



GESNERIE V .E. Calyx usually adhering to the ovarium at the 



4 N 2 



