LABIATE. XCI. LEUCAS. 



849 



2-3 inches long. Whorls few, distant, towards the tops of the 

 branches. Corollas as in L. Zeylanica ; tube annulate inside. 

 Ciliated Leucas. PI. 1 to 2 feet. 



SECT. VI. PLAGIOSTOMA (from vXaytog, plagios, transverse; 

 and ore/la, stoma, a mouth ; in reference to the oblique mouth 

 of the calyx.) Benth. lab. p. 61 4. Plagiostoma, Benth. in 

 Wall. pi. 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. STRI'CTA (Benth. 1. 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 

 mouth, and subulate striated teeth, which spread at length in a 

 stellate manner. 0. ? S. Native of the Indian peninsula. 

 Leaves remote, 1 to 1-| inch long. Whorls 1-2 together, form- 

 ing a head, 15-SO-flowered. Corollas as in /,. Zeylanica. 



Strict Leucas. PL ? 



36 L. ZEYLA'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 month, and short teeth, the upper teeth the largest. 

 Q. S. Native of Ceylon; alo of Pegu, near Rangoon. Phlo- 

 mis Zeylanica, Lin. spec. p. 820. but not of Roxb. Leonurus 

 marrubiastrum, Burm. fl. ind. 127. but not of Lin. Rumph. 

 arab. 0. 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. PI. 1 foot. 



37 L. DIFFU'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. pi. rar. asiat. but not of Roth. Leaves nearly 

 sessile, remote, i an inch long. Whorls remote, secund, 4-12- 

 flowered. Very nearly allied to L. dspera. 



Diffuse Leucas. PI. 1 to 1^ foot, diffuse. 



38 L. HYSSOPIFOLIA (Benth. 1. 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. 7/ . S. Native of Nipaul and Kamaon, 

 Wall. ; Deyra Dhoon, Royle. Stems numerous, rising from a 

 thick woody base, ascending. Leaves 1 to Ij inch long. 

 Whorls 10-20-flowered, distant. Calyx shortly 10- toothed. 

 Corollas white. 



Hyssop- leaved Leucas. PI. | 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. enura. 2. p. 621. Phlomis Plukenetii, Roth, nov. 

 pi. spec. 261. 1 Leucas Plukenetii, Spreng. syst. 2. p. 743.? 

 Phlomis esculenta, Roxb. fl. ind. 3. p. 10. Phlomis cephalotis, 



VOL. IV. 



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. 



J'ar. /3, Wightiana (Benth. lab. p. 616) whorls small, nume- 

 rous, approximate. . S. L. Wightiana, Benth. in Wall. pi. 

 rar. asiat. 1. p. 60. 



Rough Leucas. Fl. July, Aug. Clt. 1818. PI. 1 to 3 feet. 



40 L. NU'TANS (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, 

 incurved, nutant, with an oblique mouth, and short, linear, 

 scarcely unequal teeth. 0. ? S. Native of the Indian penin- 

 sula ; and near Segain, and on the banks of the Irawaddi. 

 Leaves broader than in L. dspera, with the crenatures fewer and 

 more obscure. Corollas small. 



Nodding-cnAyaed Leucas. PI. ? 



41 L. DIMIDJA'TA (Spreng. syst. 2. p. 743. Benth. lab. p. 

 616. but not of Benth. in Wall. pi. 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. 0. ? S. Native of the 

 Burman Empire, on the banks of the Irawaddi. Nearly allied 

 to L. nutans, but differs in the shorter calyxes, minute bracteas, 

 solitary whorls ; and with the habit and leaves of L. Zey- 

 lanica, 



Dimidiate Leucas. PL T 



42 L. CEPHALOTIS (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. 0. S. Native of the East Indies, common ; 

 Nipaul, Bengal, and the Peninsula. L. capitata, Desf. mem. 

 mus. 11. p. 8. t. 4. Phlomis cephalotes, Roth, nov. pi. 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. MARTINICE'NSIS (R. Br. prod. p. 617.) herbaceous, pu- 

 bescent, scarcely canescent ; whorls distant, large, globose, many- 

 flowered ; bracteas lanceolate- subulate ; calyx membranous, in- 

 curved, with an oblique mouth, which is drawn out above, and 

 with about 10 subulate teeth, the upper tooth very long. 0. S. 

 Native of the tropics in both hemispheres ; as of the East In- 

 dies, Madagascar, west coast of Africa, West Indies, Brazil, &c. 

 Clinopodium Martinicensis, Jacq. amer. p. 173. t. 177. f. 75. 

 Phlomis Martinicensis, Swartz, prod. fl. ind. occ. p. 88. Phlo- 

 mis Caribae'a, Jacq. icon. rar. 1. p. 11. t. 110. Leonurus par- 

 viflorus, Moench, meth. p. 401. Phlomis mollis, Schum. pi. 

 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. Clt. 1781. PL 1 to 2 

 feet. 



44 L. LINIFO'LIA (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. . S. Native of the East Indies, Bengal, 

 and the Peninsula, very common ; Madagascar, Mauritius, 



5 Q 



