LABIATiE. 487 



style immersed. Fruit of 4 nutlets ; seeds mostly exalbuminous. — Herbs or shrubs ; stem 

 mostly tetragonal ; leaves opposite, exstipulate ; flowers in cymose clusters (whorls), rarely 

 solitary; clusters axillary, racemose, or spikate. 



Volatile oils are general, and largely used as aromatics, e.g. those of Ocimum, Hyptis, 

 and Salvia •. the latter is astringent too. 



1. OCIMUM, L. 



Calyx very unequal, at length deflexed : upper tooth large, decurrent. Upper corolla-lip 

 4-fid, inferior entire, usually flat. Stamens didynamous, deflexed. — Whorls 6(-10) -flowered, 

 racemose. 



1*. O. Basilicum, L. Annual; leaves elliptical or elliptical-lanceolate, glabresceut ; 

 raceme interrupted ; calyx ciliate, about half as long as the corolla : superior tooth 

 roundish, shortly decurrent, 2 lateral ovate, pointed, 2 inferior subulate ; upper filaments 

 bearing a tooth at their base. — Desc Fl. 4. I. 301. — Hab. Naturalized in Jamaica, S. 

 Vincent !, Guild. ; [introduced from trop. Asia ! and Africa !]. 



2. O. micranthum, W. Annual ; leaves ovate, pointed, serrulate, contracted into 

 the petiole, glabrescent ; calyx enlarged around the nutlets : upper tooth ovate, blunt, 

 concave, decurrent to the base of the tube, 4 inferior subulate ; filaments naked, included. 

 — O. frutescens, Sieb. Mart. 154- Calyx at length 4'" long. — Hab. Jamaica !, Dist., 

 Wils. ; Antigua !, Wullschl., S. Lucia !, hb. Benth. ; [Cuba ! and Mexico to Brazil !]. 



2*. COLEUS, Lour. 



Calyx unequal: upper tooth larger. Corolla-tube deflexed: upper lip 4(-3)-crenate, 

 inferior entire, elongated, concave. Stamens of Ocimum, but monadelphous : tube narrow, 

 including the style. — Whorls §— many -flowered, racemose. 



3*. C. amboinicus, Lour. Suffruticose, subtomentose or pilose ; leaves deltoid, 

 crenate, petioled ; raceme elongated, interrupted : whorls mauy-10-flowered ; calyx tomeu- 

 tose, naked at the throat : upper tooth ovate-oblong, blunt, not decurrent, 4 inferior shorter, 

 linear-setaceous ; corolla-tube infracted at the middle, twice as long as the calyx, as long as 

 the inferior lip. — Bot. Reg. t. 1520 : in our form the stamens are longer-exserted. — C. 

 aromaticus, Benth. — Fragrant ; branches somewhat fleshy ; raceme 6"-] 2" long. — Hab. 

 Naturalized in Antigua!, Wullschl.; [introduced from the East Indies]. 



\ ' 3. MARSYPIANTHES, Mart. 



Calyx eqnal, 5-fid. Inferior corolla-lobe deflexed, 4 superior subequal. Stamens 4, 

 deflexed Nutlets cymbiform, appendiculate by an involute, dentate wing. — Herbs; whorls 

 capitate, (rarely few-flowered) , axillary. 



4. M. hyptoides, Mart. Annual; leaves ovate or ovate-lanceolate, serrate; heads 

 many-flowered, usually peduncled. — Ann. Mus.7. t.27.f.4; t. 31. f. 1. — Hyptis cha- 

 maedrys, W. H. pscudochamsedrys, Foil. — Heads 4"'-6'" diain. ; corolla included, blue or 

 purple. — Hab. S. Vincent I, Anders. ; Trinidad !, Sieb., Or., a weed ; [Portorico ! and 

 Mexico ! to Brazil !]. 



4. HYPTIS, Jacg. 



Calyx 5-dentate-5-fid. Corolla 2-Iipped : inferior lobe deflexed. Stamens 4, deflexed. 

 Nutlets devoid of a concave margin. — The West Indian species herbaceous. 



* Flowers sessile in spicate whorls. 



5. H. spicigera, Lam. Stout ; leaves petioled, ovate-lanceolate, acuminate, serrate, 

 floral linear ; spikes a/lindrical, terminal ; calyx equal : teeth subulate, shorter than the 

 tube.— SI. t. 108./. 1. Desc. Fl. 8. t. 581.— 7-2' high; spikes l"-3" long; flowers 

 small white. — Hab. Jamaica, along ditches near Spanish town (SI.) ; [West Indies to 

 Brazil ! ; trop. Africa ! and Asia]. 



