RUBIACEZ. CXCII. Kyoxıa. 
to the order Valerianee, terminal, sessile, or pedunculate, having 
their branches becoming elongated and spike-formed, after 
flowering. 
1 K. Zeyra'xica (Lin. spec. p. 151.) stem erect, glabrous, 
nearly terete; leaves lanceolate, almost sessile, glabrous ; 
branches of cyme 1-3, very long, spicate, erect; tube of corolla 
much longer than the calycine teeth; throat of corolla. bearded ; 
stigma exserted.—Native of Ceylon. Burm. fl. ind. 34, t. 13. 
f.2. Lam. ill. t. 59. f. 1. Corolla 6 lines long. Fruit easily 
separated into 2 parts from the base. 
Ceylon Knoxia. Fl. July, Aug. Clt. 1826. Pl. 1 foot. 
2 K. Sumarre’nsis (D. C. prod. 4. p. 569.) stem suffruti- 
cose, erect, tetragonal, tomentose; leaves lanceolate, remote, 
villous, on short petioles ; corymbs terminal, compound ; tube 
of corolla gibbous, short. k. S. Native of the East Indies, 
among the Circars, and probably of Sumatra and Velore, as well 
as of Nipaul and Kamaon. Spermacoce Sumatrénsis, Retz, 
obs. 4. p. 23. Roxb. fl. ind. 1. p- 372. Knéoxia stricta, Geertn. 
fruct, 1. p. 122. t. 25. Knéxia corymbosa, Willd. spec. 1. p. 
582.? but the fruit is not separable into 2 parts as in the follow- 
ing. Knoxia móllis, R. Br. in Wall. cat. no. 820. Flowers 
small, white. 
Sumatra Knoxia. FI. July, Aug. Clt.1818. Sh. 2 to 3 ft. 
3 K. re‘res (D. C. |. c.) stem suffruticose, erect, branched, 
terete, villous; leaves lanceolate, villous; corymb terminal, 
compound, with opposite branches, which at length become 
spike-formed ; tube of corolla terete, straight, with the throat 
very villous, and hiding the anthers; style twice the length of 
the corolla. h. S. Native of the East Indies, in woods at 
Koorg. Spermacdce téres, Roxb. fl. ind. 1. p. 373. K. um- 
bellàta, Banks, herb. ex Roxb. 
Terete-stemmed Knoxia. F. June, Aug. Clt. 1820. Shrub 
2 to 3 feet. 
4 K. exse’rta (D. C. 1. c.) stem suffruticose, stiff, villous in 
the younger parts; leaves lanceolate, petiolate, remote; corymbs 
ainal, compound ; stamens exserted; style bifid, exserted ; 
ruit ovate, hardly separable into 2 parts. h. S. Native of 
the East Indies, on the Circars, and of Nipaul. Spermacòce 
exsérta, Roxb. fl. ind. 1. p. 374. This is only, perhaps, a var. 
of K. téres, according to Roxb. 
Exserted-stamened Knoxia. Shrub 1 foot. 
5 K. cra‘sra (D. C. 1. c.) stem suffruticose, terete, glabrous; 
erect; leaves linear-lanceolate, smooth ; corymbs axillary, com- 
pound ; style pilose ; stigma clavate ; capsule globular, smooth. 
: Native of Pulo-Penang. Habit almost of a grass, or 
amboo. _Spermacdce glabra, Roxb. fl. ind. 1. p. 374. but 
not of Mich. Spermacòce insulàris, Spreng. syst. 1. p. 404. 
orolla campanulate, cream-coloured. 
Glabrous Knoxia. Shrub 1 foot. 
6 K. rm'vis (D. C. prod. 4. p. 570.) stem herbaceous, stiff, 
terete, smooth ; leaves almost sessile, lanceolate, glabrous; co- 
tymbs terminal; corolla funnel-shaped, with a bearded throat 
and hidden anthers; stigma bifid. g¢. ex Roxb.; ©. ex Lesch. 
ar, Native of Bengal. Spermacdce levis, Roxb. fl. ind. 1. p. 
R Sperm. Roxburghiàna, Schultes, mant. 3. p. 199. Sperm. 
3 oxbirghii, Spreng. syst. 1. p. 404. Leaves 3 inches long, and 
lines broad. Flowers large, pink. 
Smooth Knoxia. Fl. July, Aug. Clt. 1818. P]. 1 foot. 
7 K. HEYNEA NA (D. C. prod. 4. p. 570.) stem obsoletely 
tetragonal, rather roughish ; leaves lanceolate, ribbed, with sca- 
rous margins, rough from dots on both surfaces; corymbs 
terminal, trichotomous.—Native of the East Indies. Knéxia 
Se Heyne. Spermacdce corymbdsa, Roth, nov. spec. 
P. 98. Room. et Schultes, syst. 3. p. 278. but not of Lin. 
nor Burm. Very nearly allied to K. Sumatrénsis. 
Heyne’s Knoxia. PI 1 foot. 
CXCIIL.. PsYLLOCARPUS. 629 
8 K. tinea'tra (D.C. 1. c.) downy; stem herbaceous, branched 
alittle, erect, villous; leaves ovate-lanceolate, with parallel veins; 
bristles of stipulas pilose; cymes corymbose, pedunculate, tri- 
partite, axillary, and terminal; stamens inclosed. ©.? S. 
Native of Java, among grass, about Rompien. Spermacdce 
lineata, Blum. bijdr. p. 947. but not of Roxb. 
Lined-leaved Knoxia. PI. 1 foot. 
9 K. Wieurta'na (Wall. cat. no. 6184.) plant glabrous ; stem 
and branches slightly tetragonal; leaves lanceolate, mucronate, 
almost sessile ; corymbs terminal, compound, with spike-formed 
branches. bh. S. Native of the East Indies. Spermacdce, 
Wight, herb. 
Wight’s Knoxia. Shrub 2 to 3 feet. 
10 K. prantacinea (Wall. pl. rar. asiat. 1. t. $2.) stems 
herbaceous, almost simple, rising in numbers from the root, 
which is fusiform: radical leaves long-lanceolate, pilose; cau- 
line ones distant, narrower; flowers terminal, sub-capitate : one 
or two of the calycine teeth are elongated ; tube of corolla very 
long. 2%. S. Native of the Burmese Empire, on the moun- 
tains. Flowers blue. 
Plantain-lke Knoxia. Pl. 1 to 2 feet. 
Cult. For culture and propagation see Crùsea, p. 627. 
CXCIII. PSYLLOCA’RPUS (from pvààoc, psyllos, a flea, 
and xaproc, karpos, a fruit; in allusion to the colour and shape 
of the seeds). Mart. nov. gen. et spec. bras, 1. p. 44. t. 28. 
D. C. prod. 4. p. 570. but not of Pohl. 
. syst. Tetrdndria, Monogy’nia. Calyx with a turbi- 
nate tube, and an 8-toothed limb ; teeth subulate, 6 of which are 
very short, and the other 2 opposite, linear, and elongated. Co- 
rolla funnel-shaped, with a bearded throat, and a 4-lobed acut- 
ish limb. Anthers 4, inclosed. Stigma emarginately 2-lobed. 
Capsule crowned by the teeth of the calyx, compressed from the 
back of the carpels, 2-celled, having the dissepiment parallel 
with the valves; cells 1-seeded. Seeds oval, or orbicular, 
winged, much compressed, fixed to the centre of the dissepi- 
ment. Embryo straight, in the axis of thin albumen.—Small 
Brazilian shrubs, with twiggy, tetragonal branches. Leaves oppo- 
site, and often fasciculately verticillate from clusters of the leaves 
in the axils of the opposite ones. Stipulas joined with the peti- 
oles, forming a sheath, ciliated with bristles. Flowers axillary 
or terminal. 
1 P. ericoipes (Mart. l. c.. p. 45. t. 28. f. 1.) suffruticose, 
almost simple at the bottom, glabrous; leaves 8-12, verticillate, 
shorter than the internodes ; flowers terminal, sub-capitate. h. 
S. Native of Brazil, in the province of Minas Geraes, at Ban- 
deinha, near Tejuco. Branches slender, twiggy. Corollas pale 
blue. Calyx glabrous. 
Heath-like Psyllocarpus. Shrub | to 2 feet. 
2 P. caricoipes (Mart. l.c. p. 45. t.28. f. 2) a much- 
branched, glabrous shrub ; leaves opposite, approximate, seta- 
ceous, clustered in the axils, and therefore falsely verticillate ; 
flowers terminal, disposed in something like spikes. kh. S. 
Native of Brazil, in the provinces of Minas Geraes and Bahia, 
in dry mountainous places. Cham. et Schlecht. in Linnaa. 3. p. 
357. P. laricinus, Spreng. cur. post. p. 39. Branches erectly 
spreading. Corollas pale blue. Calyx glabrous. 
Var. B, densifolius (Mart. 1. c.). h. S. Native of Brazil, 
on Serra de Itambe. 
Larch-like Psyllocarpus. Shrub 14 to 2 feet. 
3 P. asvaracoipes (Mart. l. c. p. 46.) a glabrous shrub, with 
twiggy branches; leaves disposed in verticillate fascicles, very 
slender, and setaceous; peduncles terminal, elongated, naked ; 
flowers capitate. «h. S. Native of Brazil, in the province of 
Minas Geraes, near Piedade. Branches twiggy. Corollas . 
small, white. Calyx glabrous, 
