562 SCROPHULARINEJE, LXII. Puysocatyx. LXIII. 
—Shrubs natives of Brazil, densely covered with erect, thickish, 
quite entire, opposite or alternate leaves. Peduncles axillary, 
1-flowered, bibracteate, racemose at the tops of the branches. 
Corollas red or blood-coloured. The three species are very 
nearly allied, and are scarcely distinct. 
1 P. ma‘sor (Mart. bras. 3. p. 2. t. 201.) leaves ovate or 
ovate-oblong, obtuse, mucronulate; bracteoles subulately linear, 
beneath the flowers; filaments glabrous; anthers bearded on 
the back. 5. GG. Native of Brazil, in the province of Minas 
Geraes, in the Diamond district, Martius; on Sierra da Muela, 
Sello. 
Larger Physocalyx. Shrub. 
2 P. mnor (Mart. l. c. p. 
8. t. 202.) leaves obovate, 
acutish ; bracteas subulately 
linear under the flowers ; fila- 
ments glabrous; anthers beard- 
ed on the back. 5^. G. Na- 
tive along with the preceding, 
in the Diamond district, Mar- 
tius (fig. 54.) 
Smaller Physocalyx. 
1 foot. 
3 P. aurantracus (Pohl, pl. 
bras. l. p. 65. t. 53.) leaves 
obovate-elliptic ; bracteas ob- 
long-lanceolate under the flow- 
ers; filaments villous above, 
and the anthers on the back. 
b. G. Native of Brazil, in 
the province of Minas Geraes ; 
on Serro Frio ; and on the tops of mountains, in arid, gravelly, 
rocky places, between Rio Jetiquinhonha, on the road between 
Bonfin and Villa de Fanado. Leaves oval-elliptic, obtuse, ses- 
sile, ex Pohl. 
Orange-coloured-calyxed Physocalyx. 
Cult. 
Shrub 
Shrub 1 foot. 
For culture and propagation see Gerárdia, p. 559. 
LXIII. MELA'SMA (from pedac, melas, black ; application 
not evident in any way, unless from the plants turning black on 
drying—a circumstance common to this order.) Berg. cap. t. 3. 
Gaertn. fruct. t. 55. Benth. ger. in Hook. comp. p. 202. 
Nigrina, Lin. mant. p. 42.—Gerárdia species, Lin. fil. suppl. 
278. Physocalyx and Lyncea species, Cham. et Schlecht, in 
Linnea. 
Lin. syst. Didynaimia, Angiospérmia. Calyx loose, folia- 
ceous, at length inflated, 5-cleft at apex. Corolla campanulately 
funnel-shaped ; lobes of limb short, broad. Stamens subdidy- 
namous, shorter than the corolla; anthers all fertile; cells api- 
culate at the base.—A merican or Cape herbs ; with usually op- 
posite leaves ; and axillary, 1-flowered, bracteate pedicels, which 
are disposed in a subracemose manner. 
1 M.? ur'sprpum (Benth. 1. c.) plant hispid from white pili; 
leaves lanceolate, a little toothed, narrowed at the base; pedun- 
cles bracteate at apex. %. G. Native of Mexico, near Haci- 
enda de La Laguna, Schiede and Deppe. Lyncea hispida, 
Cham. et Schlecht, in Linnaea, 5. p. 108, and 8. p. 24. Leaves 
alternate or falsely opposite, on short petioles, quite entire or 
sinuately denticulated. Calycine segments 3-nerved.. Lobes 
of eorolla obtuse. 
Hispid Melasma. Pl. 3 to 4 feet. 
2 M. nuiwANTHOrDEs (Benth. l. c.) plant very scabrous ; 
leaves oblong, a little toothed, hardly narrowed at the base; 
peduncles shorter than the calyx, bracteate in the middle. y. 
G. Native of Brazil, at Rio Grande, in many places, Sello and 
Tweedie. Physocàlyx rhinanthoides, Cham. et Schlecht, in 
1 
Metasma. LXIV. GastromertA. LXV. CENTRANTHERA. 
Linnea, 8. p. 23.  Floriferous calyx about half an inch long, 
Corolla nearly an inch long. Fructiferous calyx resembling that 
of Phisalis. Capsule obtuse ; valves apparently entire, ex 
Benth. Leaves linear-lanceolate, obtuse, toothed, ex Cham. 
lee; 
Yellow-rattle-like Melasma. Pl. a span to 2 feet. 
3 M. sca‘prum (Berg. fl. cap. 162. t. 3. f. 4.) leaves lanceo- 
late, broadest at the base, toothed, scabrous ; peduncles longer 
than the calyx, bracteate in the middle. X4. G. Native of the 
Cape of Good Hope. Nigrina viscosa, Lin. mant. p. 42. Ge- 
rardia Nigrina, Lin. suppl. 278. Flowers closely resembling 
those of the preceding, and of the same size. Teeth of calyx 
rather shorter ; and corolla rather fuller, ex Benth. 
Scabrous Melasma. PI. 
Cult. For culture and propagation see Gerardia, p. 559, 
LXIV. GASTROMERIA (from yaornp, gaster, a belly ; and 
epic, meris, a part; in reference to the inflated calyx.) D. 
Don, in Sweet, fl. gard. n. s. vol. 1. in a note under no. 75.— 
Lophospérmum species, D. Don, in Lin. trans. vol. 15. p. 353. _ 
Lin. syst. Didynàmia, Angiospérmia. Calyx almost gl — 
bose, membranous, inflated, 5-toothed. Corolla campanulate, 
nearly equal at the base ; limb 5-lobed, bilabiate. Stamens 4, 
didynamous; filaments glabrous; anthers oblong ; cells con- 
fluent at apex, loose at the base, diverging, mutic. Ovarium 2- 
celled ; dissepiment placentiferous on both sides ; ovula minute, 
angular, very numerous. Fruit unknown.—A Mexican shrub, 
scabrous from callous bristles. Leaves opposite, on short peti- 
oles, oblong, acute, toothed, pinnately nerved. Flowers axillary, 
solitary, pedunculate. Peduncles bibracteate. Calyx green. 
Corolla large, purple ? an inch and a half long. 
1 G. puysatorpEs. h.G. Native of Mexico, Sesse and 
Mocinno. Lophospérmum physaloides, D. Don, in Lin. trans. 
15. p. 353. Scrophularia physaloides, Moc. et Sesse, mss. 
Physalis-like Gastromeria. Shrub erect. 
Cult. For culture and propagation see Gerárdia, p. 559. 
LXV. CENTRANTHERA (from xevrpov, kentron, a spur; 
and ay@npa, anthera, an anther ; cells of anthers mucronate or 
spurred.) R. Br. prod. p. 438. Benth. scroph. ind. p. 50. 
Lin. syst. Didyndmia, Angiospérmia. Calyx compressed, 
cleft on one side, entire, or at length somewhat 4-cleft. Corolla 
tubular or funnel-shaped ; limb spreading or bilabiate ; lobes 5; 
roundish : the lower one the largest. Stamens shorter than the 
corolla. Anthers approximate by pairs, 2-celled ; cells parallel 
or transverse, mucronate or spurred. Stigma oblong, thickened. 
Capsule ovoid or oblong, 2-valved; valves entire. Seeds minute, 
with a loose aril-formed testa.—Erect or diffuse, scabrous, St! 
herbs, becoming black on drying. Leaves almost sessile, oppo- 
site, oblong or lanceolate, quite entire or few-toothed. Flowers | 
sessile, alternate, or the lower ones are opposite, usually secund: 
lower ones remote : superior ones sometimes spiked. 
1 C. erannirròra (Benth. in Wall. cat. no. 3880. scroph. 
ind. p. 850.) erect, glabrous, scabrous from tubercles; flowers 
secund, approximate, large ; calyx oblong, inflated, cleft on one 
side and very acute on the other. %.? G. Native of Silhet, 
on the mountains, Wall. Calyx 9 lines long. Corolla 21 
lines long, purplish. 
Great-flowered Centranthera. Pl. : 
2 C. nrsprpa (R. Br. prod. 438.) erect, clothed with € 
pili; flowers remote; calyx ovate, cleft on one side and acutel 
2-3-cleft on the other. ©. G. Native of New Holland, within 
the tropic, R. Br. ; East Indies, throughout Hindostan, Nipaul, 
Kamaon, and the mountains of Prome, Wall.; and at Kidar- 
konta, Royle. Wall. pl. rar. asiat. 1. p. 39. t. 45. C. Nepal- 
