860 



ERICACEAE. LIV. GAYLUSSACIA. LV. THIBAUDIA. 



each in an inflexed white mucrone ; flowers pale, clothed with 

 glandular down ; bracteas foliaceous, green, length of flowers ; 

 bracteoles somewhat foliaceous, lanceolate, situated under the 

 calyxes ; calycine segments lanceolate, about a third the length 

 of the corolla ; filaments villous, about a fourth the length of the 

 anthers. ^ . S. Native of Brazil, within the tropic. 

 Pale-flowered Gaylussacia. Shrub. 



16 G. ANGUSTIFOJ.IA (Cham, in Linnaea. 8. p. 499.) branches, 

 petioles, inflorescence, and calyxes downy ; leaves coriaceous, 

 linear-lanceolate, narrowed into the short petioles at the base, 

 ending each in a callous acute point, with reflexed inconspicu- 

 ously serrulated edges, shining above and rufescent beneath ; ra- 

 cemes axillary, nearly terminal, erect, exceeding the leaves ; 

 lower bracteas foliaceous : superior ones coloured ; calycine seg- 

 ments ovate, acuminated, or acutely triangular, and are, as well 

 as the bracteas, ciliated ; corollas cylindrical, downy on the 

 nerves ; filaments villous, shorter than the anthers. Jj . S. 

 Native of equinoxial Brazil. Inflorescence coloured. 



Narrow-leaved Gaylussacia. Shrub. 



17 G. PINIFOLIA (Cham, et Schlecht. in Linnaea. 1. p. 536. 

 and 8. p. 500.) quite glabrous and pruinose ; leaves linear, acute 

 at both ends, crenated ; peduncles axillary, 1-3-flowered, fur- 

 nished with small glandularly serrated bracteas ; corolla urceo- 

 late, with short erect teeth. ^ . S. Native of equinoxial Brazil. 

 The young leaves at the tops of the branches and flowers are 

 crimson. Calycine teeth ovate, acuminated, cuspidate, with 

 glandularly ciliated edges. 



Pine-leaved Gaylussacia. Shrub | to 1 foot. 



* * Corollas campunulate. 



18 G. PSEU'DO-GAULTHE'RIA (Cham, et Schlecht. in Linnaea. 1. 

 p. 535.) branches straight, hispid ; leaves narrow-elliptic, sub- 

 cordate, scabrous on both surfaces, obsoletely serrulated towards 

 the top ; racemes axillary and terminal at the tops of the 

 branches, approximate, secund, erect, hispid, bracteate. Tj . S. 

 Native of Brazil, within the tropic. Stems rising from the root, 

 biennial or triennial, about a foot high, branched. Flowers 

 white, hardly crimson. Corollas campanulate, with hairy an- 

 gles. Calycine teeth narrow, lanceolate. Ovarium hairy, glan- 

 dular. 



False GauUheria Gaylussacia. Shrub 1 foot. 



19 G. DECIPIENS (Cham, in Linnaea. 8. p. 500.) branches 

 hairy ; leaves coriaceous, elliptic, obtuse, attenuated at the base, 

 obsoletely crenated towards the apex ; racemes from the axils 

 of the ultimate leaves, secund, erect ; calycine teeth triangular, 

 acuminated ; corolla campanulate, pilose on the angles, with 

 erect triangular teeth, fj . S. Native of Brazil, within the 

 tropic. G. buxit'olia, Cham, et Schlecht. in Linnaea. 1. p. 528. 

 but not of H. B. et Kunth. Leaves glabrous above, but pubes- 

 cent on the nerves beneath. Corollas white, campanulate, not 

 scarlet. This species has been referred to G. imbricata by 

 Pohl, but it differs from it in the flowers being campanulate and 

 white, not scarlet. 



Deceiving Gaylussacia. Shrub 1 to 1^ foot. 



20 G. AMOZ'NA (Cham, in Linnaea. 8. p. 501.) branches, 

 petioles, and inflorescence downy ; calyxes glabrous, but are, as 

 well as the bracteas, ciliated with glandular hairs ; leaves on 

 very short petioles, ending each in a callous mucrone, serrulated 

 in front, with reflexed margins covered with resinous dots be- 

 neath, having the veins and nerves prominent beneath ; racemes 

 nearly terminal, erect, elongated ; calycine segments ovate, acu- 

 minated ; corolla campanulate, glabrous, filaments ciliated, half 

 the length of the anthers ; bracteas foliaceous. Ty . G. Native 

 of Brazil, within the tropic. Flowers white. 



Var. a. \ leaves obovate-cuneated, rounded. 



Far. /3 ; leaves narrower, blunt at the base, acuter at the 

 apex, oblong or lanceolate. 



Pleasant Gaylussacia. Shrub 4 to 6 feet. 



21 G. INCA'NA (Cham, in Linnaea. 1. p. 536.) clothed with 

 hoary tomentum ; leaves oblong, with revolute margins, quite 

 entire; racemes axillary and terminal, approximate at the tops 

 of the branches, secund, erect ; corollas campanulate, downy. 

 Tj . G. Native of Brazil, within the tropic. Leaves cinereous 

 above and white beneath. Calycine teeth lanceolate. Corolla 

 downy, as well as the filaments. 



Hoary Gaylussacia. Shrub 1 foot. 



Cult. For culture and propagation see Agarula, p. 838. 

 All the species are extremely elegant when in blossom, and are 

 therefore very desirable plants in every collection. 



LV. THIBAU'DIA (named after Thiebaut de Berneaud, 

 secretary of the Linnaean Society of Paris ; author of several 

 botanical memoirs). Pav. mss. H. B. et Kunth, nov. gen. 

 amer. 3. p. 268. Ruiz et Pav. fl. per. vol. 4. ined. Cavinium 

 Aub. du Pet. Th. 



LIN. SYST. Decdndria, Monogynia. Calyx urceolar ; limb 

 5-lobed. Corolla tubular, coarctate at the apex and 5-toothed. 

 Stamens 10, inclosed ; filaments very short, dilated ; anthers 

 2-celled, shortly spurred at the base, drawn out into two tubes 

 at the apex ; cells or tubes parallel, dehiscing lengthwise by a 

 linear fissure. Ovarium 5-celled. Style pentagonal. Stigma 

 ample, peltate. Berry 5-celled; cells many-seeded. Seeds 

 minute, angular, dotted. Shrubs. Natives of Peru. Leaves 

 evergreen, coriaceous, quite entire, nerved. Flowers drooping, 

 bracteate, disposed in lateral corymbose racemes. 



1 T. BRACTEA'TA (Ruiz et Pav. fl. per. 4. t. 388. ined). 

 leaves ovate-lanceolate, acuminated, 5-nerved ; bracteas large, 

 permanent, coriaceous, 2-lobed ; anthers spurred at the base. 



fj . S. Native of Peru. Branches angular, glabrous. Leaves 

 rounded at the base, 2-3 inches long, petiolate. Flowers dis- 

 posed in terminal thyrsoid corymbs at the tops of the branches. 

 Corollas scarlet, nearly an inch long. Bracteas imbricated. 

 Filaments bearded at the apex. 

 Bracteate Thibaudia. Shrub. 



2 T. MELLIFERA (Ruiz et Pav. 1. c. t. 387. f. b.) branches 

 terete, downy ; leaves oblong, obtuse, feather-nerved, acute at 

 the base ; flowers axillary, corymbose, bractless ; limb of calyx 

 nearly entire ; corollas short, fj . S. Native of Peru. Leaves 

 2-3 inches long, on short petioles, glabrous. Bracteas small. 

 Peduncles downy. Limb of calyx obsoletely 5-lobed. Fila- 

 ments glabrous. 



Honey-bearing Thibaudia. Shrub. 



3 T. PUNCTATIFOLIA (Ruiz et Pav. 1. c. t. 387. f. a.) leaves 

 oblong-lanceolate, acuminated, 5-nerved, rounded at the base, 

 dotted beneath ; calyx bluntly 5-lobed ; racemes elongated, 

 nodding ; bracteas large, oblong, mucronate, adpressed ; corollas 

 ventricose ; filaments glabrous. I? . S. Native of Peru. Leaves 

 a hand long, glabrous. Petioles short, robust. Branchlets an- 

 gular. Racemes a span long, many-flowered. Flowers droop- 

 ing. Corolla ventricose, an inch long. 



Dolled-leaved Thibaudia. Shrub. 



4 T. COARCTA'TA (Ruiz et Pav. 1. c. t. 385.) branchlets angu- 

 lar, glabrous ; leaves lanceolate, acuminated, 5-nerved, rounded 

 at the base ; flowers aggregate ; bracteas 2-lobed, roundish, 

 coriaceous ; calycine teeth acute ; filaments glabrous. T? . S. 

 Native of Peru. T. bicolor, Dunal. in herb. Lamb. Leaves 3-4 

 inches long, marked with white veins above. Flowers peduncu- 



