192 FLORA VITIENSIS. 
Viti (Seemann! n. 358). Also collected in the Samoan (Sir E. Home !), and Marquesas Islands 
(Barclay !). Widely diffused in the East Indies and South America. 
II. Plectranthus, L'Hérit. Stirp. vol. i. p. 85; Benth. in DC. Prod. vol. xii. p. 55. Calyx 
per anthesin campanulatus, 5-dentatus, dentibus æqualibus v. supremo majore, fructifer auctus, nunc 
declinatus, rectus, incurvus v. inflatus, dentibus zequalibus v. varie 2-labiatis, nunc erectus, tubulosus 
v. campanulatus, zequaliter 5-dentatus. Corolle tubo exserto basi supra gibbo v. calcarato dein de- 
clinato defracto v. subrecto; fauce æquali v. rarius inflata; labio superiore 3—4-fido, inferiore integro 
sepius longiore concavo. Stamina 4, declinata, didynama, inferiora longiora. Filamenta libera, 
edentula. Antherz ovato-reniformes ; loculis confluentibus v. rarius subdistinctis divaricatis. Stylus 
apice breviter 2-fidus; lobis subzqualibus subulatis, stigmatibus minutis terminalibus.—Herbee 
suffrutices fruticesve; racemis terminalibus simplicibus v. ramosis; verticillastris laxis, co-floris, 
cymis utrinque sepius evolutis, rarius in verticilastros densos contractis.— Germania, Lam. Dict. 
vol. ii. p. 682. — Dentidia, Lour. Cochinch. p. 369.  Isodon, Schrad. - 
Besides the following species we have in tropical Polynesia P. parviflorus, Willd. (P. australis, Hook. 
et Arn. Bot. Beech. non R. Brown) from the Sandwich Islands (Maerae! Barclay !). 
1. P. Forsteri, Benth. Lab. p. 38; DC. Prodr. l.c. p. 68 (Tab. XLVIL); caule herbaceo. 
ascendente glabriusculo ; foliis petiolatis ovatis obtusiusculis basi cuneatis remote crenulatis glabrius- 
culis, floralibus minutissimis subnullis; racemis laxis simplicibus, verticillastris laxe 6—10-floris ; 
calycibus glabris, fructiferis declinatis pedicello brevioribus, dente supremo ovato acuto vix decurrente, 
lateralibus lanceolatis acutis, infimis setaceis; corollis minutis calyce florifero vix duplo longioribus. 
—Ocimum pusillum, Forst. Prodr. n. 527, sine descriptione. Nomen vernac. Vitiense, “ Laca."— 
Viti Levu (Barclay! Hinds!), Taviuni (Seemann! n.359). Also collected in Tana, Eromanga, and 
Aneitum, New Hebrides (Forster! M‘Gillivray !). 
A. weed abounding in cultivated places, and having purple bracts supporting pale-blue flowers. The 
leaves are aromatic and in repute amongst the natives as a cure for “ bad eyes” and headache; they are also 
recommended for coughs and colds. 
ExrnaNATION OF Puare XLVII., representing Plectranthus Forsteri.—Fig. 1, an entire flower; 2, 
calyx; 3, calyx and pistil; 4, corolla laid open; 5 and 6, ovary :—all magnified. 
III. Leucas, Benth. Lab. p. 602; DC. Prodr. vol. xii. p. 528. Calyx tubulosus v. tubuloso- 
campanulatus, striatus, apice rectus v. incurvus, ore zequali aut oblique supra v. infra producto, 8-10- 
dentato. Corolla tubo incluso, intus annulato v. nudo; limbo 2-labiato; labio superiore concavo, 
erecto, integro v. rarius emarginato, extus hirsutissimo; inferiore longiore patente 3-fido, lacinia 
media maxima. Stamina sub galea adscendentia. Filamenta basi nuda. Anthere sub labio supe- - 
riore per paria approximatz, subbiloculares; loculis divaricatis confluentibus. Styli lobus superior 
brevissimus, inferior subulatus. Nucule 3-quetre, apice obtusz.— Herbæ suffruticesve; foliis inte- 
gerrimis v. sepius dentatis; floralibus subconformibus; verticillastris nunc paucifloris, nunc dense 
oc-floris ; corollis szepius albis, rarius purpurascentibus. 
l. L. decemdentata, Smith in Rees Cyclop.; Benth. 1. c.; annua ?; pubescens; foliis ovatis 
crenatis, tenuiter tomentosis utrinque viridibus v. subtus subcanescentibus ; verticillastris oc-floris, 
inferioribus v. omnibus petiolo brevioribus; bracteis minutis; calycibus pubescentibus striatis, ore 
xquali, dentibus brevibus setaceis.—S/achys decemdentata, Forst. Prodr. n. 526 ; Parkins. Drawings 
of Tahit. Plants, t. 57. Phlomis decemdentata, Willd. Spec. vol. iii. p. 124. Leucas stachyoides, 
Spreng. Syst. vol. ii. p. 743. On roadsides, common in Viti (Seemann! n. 357). Also collected 
in Tahiti (Banks and Solander! Barclay! Cuming! n. 1409). : 
Flowers white. 
