LABIAT/E. XCI. Levcas. 
2-3 inches long. Whorls few, distant, towards the tops of the 
branches. Corollas as in L. Zeylánica ; tube annulate inside. 
Ciliated Leucas. Pl. 1 to 2 feet. 
Secr. VI. Praciésroma (from màayıoc, plagios, transverse ; 
and cropa, stoma, a mouth; in reference to the oblique mouth 
of the calyx.) . Benth. lab. p. 614. Plagióstoma, Benth. in 
Wall. pl. rar. asiat. 1. p. 60. Calyx turbinate or tubular, with 
an oblique mouth, which is drawn out above. Whorls usually 
globose, many-flowered, solitary or few: upper ones sometimes 
capitate. Bracteas equal to, or a little shorter than the calyxes. 
35 L.srnYcrA (Benth. l. c.) herbaceous, erect, strict, pubes- 
cently hairy; leaves oblong-lanceolate or linear, almost quite 
entire; whorls many-flowered, solitary, terminal; bracteas 
subulate, hairy ; calyx hairy, sub-striated, with an oblique 
moutb, and subulate striated teeth, which spread at length in a 
stellate manner. ©.? S. Native of the Indian peninsula. 
Leaves remote, 1 to 14 inch long. Whorls 1-2 together, form- 
ing a head, 15-30-flowered. Corollas as in L. Zeylánica. 
Strict Leucas. Pl. ? 
36 L. Zeyua’nica (R. Br. prod. p. 504.) herbaceous, erect, 
pubescently hairy; leaves oblong-lanceolate or linear, quite en- 
tire, or few-crenate; whorls dense, many-flowered, dimidiate or 
nearly equal; bracteas linear, hairy; calyx glabrous at the 
base, almost veinless, striated at top, a little incurved, with an 
oblique mouth, and short teeth, the upper teeth the largest. 
©.8. Native of Ceylon; also of Pegu, near Rangoon. Phlò- 
mis Zeylanica, Lin. spec. p. 820. but not of Roxb.  Leonürus 
marrubiástrum, Burm. fl. ind. 127. but not of Lin.—Rumpb. 
amb. 6. p. 39. t. 16. f. 1. Leaves distant, green.  Whorls 10- 
20-flowered, 1 or 2 together at the tops of the branches. Co- 
rollas white. 
Ceylon Leucas. Fl. June, Oct. Clt. 1777. Pl. 1 foot. 
37 L. pirru'sa (Benth. lab. p. 615.) herbaceous, diffuse, pu- 
bescently hairy; leaves oblong or linear, quite entire ; whorls 
few-flowered, dimidiate, remote ; bracteas linear, hairy; calyx 
glabrous at the base, almost veinless, striated at top, hairy, a 
little incurved, with an oblique mouth, and short hardly unequal 
teeth, ©. S. Native of the Indian peninsula. L. dimidiata, 
Benth. in Wall. pl. rar. asiat. but not of Roth. Leaves nearly 
sessile, remote, an inch long. Whorls remote, secund, 4-12- 
flowered. Very nearly allied to Z. áspera. 
Diffuse Leucas. | Pl. 1 to 14 foot, diffuse. 
38 L. nvssoPrmrLiA (Benth. l c.) herbaceous, perennial, 
many-stemmed, ascending, hairy; leaves oblong-linear, quite 
entire; whorls dense, nearly equal; bracteas linear, scarcely 
pilose; calyx glabrous, almost veinless, or scarcely striated at 
apex, rather hairy, with an oblique truncate mouth, and minute 
setaceous hairy teeth. 2.S. Native of Nipaul and Kamaon, 
Wall.; Deyra Dhoon, Royle. Stems numerous, rising from a 
thick woody base, ascending. Leaves 1 to 1j inch long. 
Whorls 10-20-flowered, distant. Calyx shortly 10-toothed. 
Corollas white. 
Hyssop-leaved Leucas. PI. 1 to 1 foot. 
39 L. A'sPERA (Spreng. syst. 2. p. 743.) herbaceous, pubes- 
cently hairy; leaves oblong or linear, sub-crenated, green; 
whorls dense, equal; bracteas oblong-linear, or subulate, hairy ; 
calyx glabrous at the base, almost veinless, striated at top, and a 
little incurved, with an oblique mouth, and short, scarcely un- 
equal teeth. ©. S. Native of the Himalaya, along the river 
Jumna, even to Allahabad, Royle; Indian peninsula, Wight; 
Mauritius, Bourbon, Java, and the Philippines, &c. Phlomis 
aspera, Willd. enum. 2. p. 621.  Pblómis Plukenétii, Roth, nov. 
pl. spec. 261.?  Leücas Plukenétii, Spreng. syst. 2. p. 743.? 
Phlómis esculénta, Roxb. fl. ind. 3. p. 10.  Phlómis cephalotis, 
VOL, IY. 
849 
var. Blum. bijdr. p. 830. ? Tumba, Rheed, mal. 10. p. 181. t. 
91.? Stems hispid, or tomentosely pubescent, rarely glabrous. 
Leaves entire or few-toothed. Whorls usually 10-20-flowered. 
Corollas white; tube annulate inside. 
Var. B, Wightiana (Benth. lab. p. 616.) whorls small, nume- 
rous, approximate. (2). S. L. Wightiàna, Benth. in Wall. pl. 
rar. asiat. 1. p. 60. 
Rough Leucas. Fl. July, Aug. Clt. 1818. Pl. 1 to 3 feet. 
40 L. nu‘rans (Spreng. syst. 2. p. 743.) herbaceous, pubes- 
cent; leaves ovate-oblong, crenated a little, green; whorls 
many-flowered, distant; bracteas oblong or lanceolate; calyx 
pubescent, striated, much elongated in the fructiferous state, 
ineurved, nutant, with an oblique mouth, and short, linear, 
scarcely unequal teeth. ©.? S. Native of the Indian penin- 
sula; and near Segain, and on the banks of the Irawaddi. 
Leaves broader than in L. áspera, with the crenatures fewer and 
more obscure. Corollas small. 
Nodding-calyxed Leucas. PI. ? 
41 L. pimrpra‘ra (Spreng. syst. 2. p. 743. Benth. lab. p. 
616. but not of Benth. in Wall. pl. rar. asiat.) herbaceous, 
pubescently hairy; leaves ovate-oblong, subcrenated, green ; 
whorls many-flowered, usually solitary, terminal; bracteas 
linear-subulate, hairy ; calyx glabrous at the base, almost vein- 
less, striated at top, incurvedly reflexed, with an oblique mouth, 
and short scarcely unequal teeth. ©.? S. Native of the 
Burman Empire, on the banks of the Irawaddi. Nearly allied 
to L. nütans, but differs in the shorter calyxes, minute bracteas, 
solitary whorls; and with the habit and leaves of L. Zey- 
lánica. 
Dimidiate Leucas. PI. ? 
42 L. cEPHALÒTIS (Spreng. syst. 2. p. 743.) herbaceous, pu- 
bescently hairy; leaves ovate or oblong, subserrated, green; 
whorls usually solitary, large, globose, densely many-flowered ; 
bracteas ovate-lanceolate, acute, imbricated ; calyx striated at 
top, rather villous, with an oblique mouth, and short, scarcely 
unequal teeth. (2. S. Native of the East Indies, common ; 
Nipaul, Bengal, and the Peninsula. L. capitata, Desf. mem. 
mus. 11. p. 8. t. 4. Phlómis cephalótes, Roth, nov. pl. spec. 
262. Leaves 2-4 inches long. Whorls terminal. Corollas 
white ; lower lip large, obcordate. 
Headed Leucas. Fl. July, Sept. Clt. 1818. — Pl. 1 foot. 
43 L. ManriNicE'Nsis (R. Br. prod. p. 617.) herbaceous, pu- 
bescent, scarcely canescent ; whorls distant, large, globose, many- 
flowered ; bracteas lanceolate-subulate; calyx membranous, in- 
eurved, with an oblique mouth, which is drawn out above, and 
with about 10 subulate teeth, the upper tooth very long. ©. S. 
Native of the tropics in both hemispheres ; as of the East In- 
dies, Madagascar, west coast of Africa, West Indies, Brazil, &c. 
Clinopódium Martinicénsis, Jacq. amer. p. 173. t. 177. f. 75. 
Phlómis Martinicénsis, Swartz, prod. fl. ind. occ. p. 88.  Phlo- 
mis Caribee'a, Jacq. icon. rar. 1. p. 11. t. 110. Leonürus par- 
viflorus, Moench, meth. p. 401. Phlomis móllis, Schum. pl. 
guin. 263. Leaves ovate, crenated, rounded at the base, but 
more often cuneated: upper ones lanceolate. Bracteas sub- 
spinescent. Corollas small, white; tube exannulate inside. 
Martinico Leucas. Fl. July, Sept. Cit. 1781. Pl. 1 to 2 
feet. 
44 L. riNIro'L1A (Spreng. syst. 2. p. 743.) herbaceous, erect, 
clothed with fine canescent pubescence or tomentum; leaves 
oblong-linear, quite entire, or remotely serrated; whorls dense, 
nearly equal, many-flowered ; bracteas linear, canescent ; calyx 
canescent or glabrous, almost veinless, elongated above, with a 
very oblique mouth, the lower teeth very short, and the upper 
tooth very large. (2. S. Native of the East Indies, Bengal, 
and the Peninsula, very common ; Madagascar, Mauritius, 
5Q 
