1272 COiSTTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Slender shrub, 1 meter high or less, the branches densely white-tomentose ; 

 leaves remote, short-petiolate, oblong to ovate, 2 cm. long or less, obtuse, 

 entire or nearly so ; flowers in few-flowered racemes ; calyx subglobose, in 

 fruit inflated and bladderlike, 1.5 cm. long, purplish, reticulate-veined ; coi'oUa 

 about 2 cm. long, purplish ; stamens 4. 



7. OCIMUM L. Sp. PI. 597. 1753. 



Herbs or low shrubs; leaves petiolate, toothed; flowers in verticillate 

 racemes ; calyx deflexed in fruit, campanulate or ovoid, 5-lobate, the lobes 

 unequal ; corolla white or nearly so, the tube usually shorter than the calyx ; 

 stamens 4. 



Calyx hirtellous or puberulent, the upper lobe decurrent nearly or quite to 



the base of the tube 1. O. micranthum. 



Calyx glabrous, the upper lobe decurrent to the middle of the tube or less. 



2. 0. sellowii. 



1. Ocimum micranthum Willd. Enum. PI. 630. 1809. 



Sinaloa to Tamaulipas, Yucatan, and Colima. West Indies ; Central and 

 South America. 



Plants essentially annual but sometimes suffrutescent, 60 cm. high or less; 

 leaves oblong-ovate to broadly ovate, 2 to 9 cm. long, acute or obtuse, serrate 

 or subentire, puberulent or glabra te; racemes 2 to 10 cm. long; calyx 6 to 7 

 mm. long in fruit; corolla 4 mm. long. "Albahaca cimarrona " (Porto Rico) ; 

 " albahaca silvestre " (Guatemala); "albahaca," "albahaca months" (El Sal- 

 vador). 



Ocimum campechianum j\Iill.,^ described from Campeche, is probably not 

 essentially different. It is said by Bentham to be more pubescent than O. 

 micranthum. Specimens from the Yucatiln Peninsula seen by the writer do 

 not differ from the usual forms of O. micranthum. 



In El Salvador bunches of the leaves of this plant are put in the ears as a 

 remedy for earache. 



2. Ocimum sellowii Benth. Lab. & Gen. Sp. 6. 1834. 

 San Luis PotosI and Veracruz. Brazil. 



Plants herbaceous or suffrutescent, glabrous throughout or nearly so ; leaves 

 ovate or lance-ovate, 4 to 8 cm. long, acute or acuminate, acute at base, coarsely 

 serrate ; racemes 10 to 20 cm. long ; calyx in fruit 8 mm. long ; corolla 4 mm. 

 long. 



8. TRICKOSTEMA L. Sp. PI. 598. 1753. 



Herbs or low shrubs ; leaves entire ; flowers in axillary clusters or in thyrsi- 

 form panicles ; calyx 5-dentate, 10-nerved, the limb equal or oblique ; corolla 

 tube slender, the limb subequally 5-lobate; stamens 4, the anterior ones longer. 



Leaves linear; corolla tube short-exserted 1. T. parishii. 



Leaves ovate or broadly elliptic ; corolla tube not exserted 2. T, arizonicum. 



1. Trichostema parishii Vasey, Bot. Gaz. 6: 173. 1880. 



Trichostema lanatum denudatum A. Gray, Syn. Fl. ed. 2. 2^: 459. 1886. 



Northern Baja California. Southern California ; type from San Diego 

 County. 



Low shrub ; leaves 1 to 4.5 cm. long, sessile, glabrate above, tomentulose 

 beneath, the margins revolute ; inflorescence thyrsiform, nearly naked, covered 

 with purple wool ; corolla about 1 cm. long ; stamens long-exserted. 



^ Gard. Diet. ed. 8. Ocimum no. 5. 1768. 



