566 
p. 19. t. 175. f. 9.—Pluk. alm. t. 224. f. 2. 
the leaves are acute at the base, ex Vahl. 
Three-flowered Ironwood-tree. Clt. 1793. Tree tall. 
2 S. mutririo‘rum (A. Rich. 1. c.) peduncles axillary, tri- 
partite, having the lateral branches trifid, and the middle one 
twice trifid. hk. S. Native of French Guiana. Petioles 2-3 
lines long. Peduncles 3 or 4 lines longer than the petioles. 
Leaves acuminated at the apex, but hardly acute at the base. 
Var. B, angustifdlium (D. C. prod. 4. p. 478.) leaves oblong, 
acuminated. h.S. Native along with the species. 
Many-flomered lronwood-tree. Tree. 
+ A doubtful species. 
3 S. panicuna'tum (Willd. herb. no. 2811. ex Cham. et 
Schlecht. in Linnea. 4. p. 26.) panicles axillary, pedunculate, 
hairy, with subdichotomous branches; leaves ovate-cordate, 
acutely mucronate, nearly sessile. h. S. Native of South 
America, on the banks of the river Atabapo, near San-Balthazar. 
Psychotria cordifolia, H. B. et Kunth, nov. gen. amer. 3. p 
365. but not of Dietr. The fruit is unknown, but the tree 
agrees better with Siderodéndron than with Psychétria in the 
tetrandrous flowers and axillary panicles. Flowers blue, gla- 
brous, with a villous throat. 
Panicled-flowered Ironwood-tree. 
Cult. 
Petioles short, and 
Shrub. 
See Chiocécca, p. 569. for culture and propagation. 
CL. EUMA' CHIA (Eumachus, an author cited by Theophras- 
tus). D. C. prod. 4. p. 478.—Petésia, Gærtn. fil. carp. 3. p. 
66. t. 192. but not of P. Browne, nor Lin.—Petésia species, 
Juss. and Spreng. 
Lin. syst. Tetrandria, Monogy'nia. Calyx with an obovate 
tube, and a 4-toothed deciduous limb. Corolla funnel-shaped, 
with a short tube, a naked throat, and a 4-parted limb; lobes 
roundish, spreadingly reflexed. Stamens inserted in the bottom 
of the tube; filaments short; anthers oblong in the throat. 
Stigma bifid, having the lobes long and acute. Berry globose, 
naked at the apex, 2-celled; cells 1-seeded. Seeds convex on 
the back, and flattish in front, with a moon-shaped umbilicus. 
Albumen cartilaginous. Embryo unknown.—A glabrous Aus- 
tralian tree. Branches terete. Leaves opposite, petiolate, 
smooth, oblong-lanceolate. Cymes terminal and axillary, trifid. 
Corolla flesh coloured. 
1 E. carnea (D.C. prod. 4. p. 479.) k.S. Native of the 
island of Namoka, one of the Friendly Islands. Petésia cdrnea, 
Forst. 2. no. 51. 
Flesh-coloured-flowered Eumachia. 
Cult. 
Tree. 
For culture and propagation see Chiocécca, p. 569. 
CLI. DECLIEU’XIA (named after M. Declieux, a French 
gardener, who carried the coffee plants first into Martinico). 
H. B. et Kunth, nov. gen. amer. 3. p. 352. Mart. et Zucc. in 
Reem. et Schultes, mant. 3. p. 111. Cham. et Schlecht. in 
Linnea. 4. p. 4. A. Rich. mem. soc. hist. nat. Par. 5. p. 193. 
D. C. prod. 4. p. 479.—Psyllocdrpus, Pohl, in litt. but not of 
art. 
Lin. syst. Tetrandria, Monogy’nia. Calyx with an obovate 
tube, and a 4-parted limb (f. 105. b.). Corolla funnel-shaped 
(f. 105. g.), with a terete tube (f. 105. f.),a bearded throat, and 
4 spreadingly reflexed lobes. Stamens 4, inserted in the throat; 
filaments filiform; anthers linear, fixed by the middle, exserted 
(f. 105. e.); stigma bifid (f. 105. c.). Berry nearly dry, 2-cell- 
ed, subdidymous, compressed (f. 105. h.), crowned by the per- 
manent calyx (f. 105. 6.), containing 2 chartaceously coriaceous 
l-seeded pyrene. Albumen horny. Embryo unknown.— 
Shrubs, rarely herbs, natives of America. Stems erect, tetra- 
gonal when young. Leaves opposite or in whorles, nearly ses- 
RUBIACEÆ. CXLIX. SIDERODENDRON. 
CL. Evmacuia. CLI. Dectevuxta. 
sile. Stipulas small, interpetiolar. Corymbs terminal, tripar- 
tite, bracteate, with dichotomous branches. Flowers white, 
lateral and sessile, or terminal and pedunculate, bibracteate. 
1 D. cutococcoipes (H. B. et Kunth, nov. gen. amer. 3. p. 
353. t. 281.) shrubby, glabrous; leaves opposite, sessile, oblong- 
lanceolate, acute, cuneated at the 
base, with rather revolute edges ; 
corymbs sessile, tripartite; sta- 
mens about equal in length to 
the lobes of the corolla. h. S. 
Native of New Andalusia, on 
the banks of the Orinoco, near 
the monastery of Caripe : and of 
Rio Janeiro, ex Cham. et 
Schlecht. in Linnæa. 4. p. 4. 
Roem. et Schultes, mant. 3. p. 
112. Houstònia fruticòsa, Willd. 
mss. in Roem. et Schultes, syst. 
3. p. 527. Shrub 4 feet high. 
Flowers white. (f. 105.) 
Chiococca-like Declieuxia. Sh. 
4 feet. : 
2 D. Mexicana (D. C. prod. 4. p. 479.) suffruticose, gla- 
brous; leaves opposite or 3 ina whorl, sessile, oblong-lanceo- 
late, obtuse at the base, acute at the apex; corymbs peduncu- 
late, 4-5-parted ; stamens about equal in length to the lobes of 
the corolla. h. S. Native of Mexico. D. chiococcoides, 
Bartl. in herb. Henke. Flowers white. 
Mexican Declieuxia. Shrub 14 foot. 
3 D. ruymproipes (Mart. et Zucc. in Roem. et Schultes, 
mant. 3. p. 111.) shrub much branched ; leaves disposed in ver- 
ticillate fascicles, sessile, linear, acute, attenuated at both ends, 
and are, as well as the branches, roughish ; flowers solitary or 
few together on the tops of the branches. R.S. Native of 
Brazil. 
Thymbra-like Declieuxia. Shrub. 
4 D. saturezroipes (Mart. et Zucc. in Roem. et Schultes, 
mant. 3. p. 111.) shrub much branched ; leaves linear-lanceolate, 
attenuated at the base, sessile, opposite or 6 ina whorl, and are, 
as well as the branches, scabrous from hairs ; flowers axillary, 
solitary. h.S. Native of Brazil. The rest unknown. 
Savory-like Declieuxia. Shrub. 
5 D. caxioines (Pohl, in litt. under the name of Psyllocar- 
pus,) plant subherbaceous, glabrous; branches terete; leaves 
in a whorl, linear; whorles distant; panicles terminal, havn 
the branches disposed 3 in a whorl, cymose. h. S. Native 0 
Brazil, where it was collected by Pohl. 
Galium-like Declieuxia. Shrub 1 foot. 
6 D. srercuLròLa (Mart. et Zucc. l. c.) shrubby, glabrous ; 
leaves linear-subulate, opposite, sessile; racemes dichotomous ; 
terminal. h. S. Native of the south of Brazil. Cham. ra 
Schlecht. in Linnæa. 4. p. 6. Panicle terminal, ao 
compound from cymes: having the branchlets capillary, elongated, 
and erect, with alternate flowers. Flowers twin, one of eac 
pair sessile. Stamens inclosed. Cham. et Schlecht. 
Spurry-leaved Declieuxia. Shrub. d 
7 D. marioines (Mart. et Zuce. 1l. c.) shrubby; stem a 
branches clothed with soft down; leaves 3 in a whorl, rarely , 
ovate-lanceolate, almost sessile, glabrous, with revolute edges i 
flowers axillary, almost terminal. h.S. Native of Brazil. 
Cat-thyme-like Declieuxia. Shrub. - 
8 D. @nantuoipes (Mart. et Zucc. 1. c.) plant herbaceous, 
glabrous; stem nearly simple; leaves 4 in a whorl, sessile, re 
mote, linear-lanceolate, acute ; racemes bifid, forming a termi 
panicle. h.S. Native of the south of Brazil. Panicle, m 
Cham. et Schlecht. in Linnæa, 4. p. 5. terminal, from whorles 
FIG. 105. 
