Mesona.] CXII. LABIATEZ. (J. D. Hooker.) 611 
3. MESONA, Blume. 
Annuals. Whorls many-fid., racemose ; flowers small; bracts caducous. 
Calyx campanulate ; fruiting tubular, declinate, 2-lipped, tube deeply pitted 
between the nerves; lips rather broad, upper 3-fid, lower entire. Corolla- 
tube short, upper lip truncate or 4-toothed, lower oblong. Stamens 4, 
filaments exserted, free, upper toothed at the base. Style 2-fid. Disk 
tumid, gibbous. Nutlets ellipsoid or ovoid.—Species 4, Trop. Asiatic and 
Malayan. 
.M. Wallichiana, Benth. in DC. Prodr. xii. 46; erect, sparsely 
hairy, leaves ovate-lanceolate serrate. Geniosporum parviflorum, Wali. 
Cat. 2750; Benth. Lab. 90, and in Wall. Pl. As. Rar. ii. 18. 
KHasrA Mrs., alt. 3-5000 ft. ; De Silva, &c. 
Stem 1-2 ft., branching upwards, slender, rigid. Zeaves 1-3 in., narrowed into 
a petiole 4-3 in. Racemes numerous, slender, erect, 3-7 in. ; flowers very numerous, 
purplish, 3 in. long; bracts deflexed, ovate, purplish. Fruiting calyx } in. long, ou 
a slender rigid pedicel longer than itself. Smells like Patchouli. 
4. PLATYSTOMA, Beauv. (Platostoma.) 
Small annuals. Whorls many-fld., racemose; flowers minute ; bracts 
caducous. Calyx campanulate ; fruiting deflexed 2-lipped, upper lip ovate, 
toothed on each side; lower broad inflexed, sinus very open. Corodla-tube 
short; lips subequal, upper broad 2-fid, lower entire concave. Stamens 4, 
declinate, filaments free included, dilated downwards. Disk tumid, gibbous. 
Style 2-fid. Nutlets ovoid.—Species 3, Indian and African. 
P. flaccidum, Benth. in Gen. Pl. ii. 1173; sparingly pubescent, 
leaves ovate serrate, fruiting pedicel as long as the calyx-tube. Ocimum 
flaccidum, A. Rich. Tent. Fl. Abyss. ii. 179. 
The Concan; on the Kela nuddeh, Ritchie, Dalzell.— DtsTRIB. Trop. Africa. 
Strict, erect, slender, 4-8 in. high, simple or branched, branches erect. Leaves 
i-lin, membranous. Racemes slender, strict, as long as the whole plant; flowers 
n in, long. Calyz-lobes ovate. Nutlets black, minutely reticulate.— Probably only 
4 state of P. africanum, Beauv. 
5. ACROCEPHALUS, Benth. 
_ Annuals. Whorls in terminal or axillary globose or ovoid dense heads 
With imbricate bracts; flowers very small, sessile. Calyx ovoid, fruiting 
tubular, base gibbous ; upper lip flat, entire, lower entire or 4-toothed ; 
throat naked, Corolla-tube very short, subequally 4-lobed. Stamens 4, 
filaments free, toothless, included. Disk small, gibbous. Style 2-fid. 
Nutlets smooth.—Species 10, Tropical and Subtropical Asiatic and 
ican. 
. l A. capitatus, Benth. in Wall. Pl. As. Rar. ii. 18, Lab. 23, and 
m DC. Prodr. xii. 47; sparingly pubescent, leaves petioled few-nerved, 
heads terminal. Dalz. § Gibs. Bomb. Fl. 204; Hook. Ic. Pl. t. 456. A. 
cariosus, Wall. Cat. 1563. A. Blumei, Benth. l. c. Prunella indica, 
Burm. Fl. Ind. 130. Ocimum capitellatum, Linn. f. Suppl. 276. O. capi- 
tatum, Roth Nov. Sp. 276. O. aerocephalum, Blume Bijd. 834. O. Chandra, 
Ham. in Herb. Wa l. Lumnitzera capitata, Spreng. Syst. ii. 687, 
