LAMIACEAE. 



327 



Salvia ianthina Otto & Dietr., Large Purple Salvia, Mexican, also grown 

 for ornament, resembles S. splendens in size and foliage, but the calyx is nar- 

 rower, blue-purple, and the corolla is purple or violet-purple, nearly 2' long. 



Salvia purpurea Cav., Velvety Purple Salvia, Mexican, mentioned by 

 Reade as cultivated, has purplish corollas about 1' long, the calyx white- 

 tomentose. 



Salvia officinalis L., Garden Sage, European, used for flavoring, is grown 

 in some gardens. It is a white-woolly perennial with oblong or lanceolate 

 petioled leaves, and rather small, white blue or purple flowers in whorls. 



Salvia patens Cav., Large Blue Salvia, Mexican, occasional in flower- 

 gardens, is a pubescent perennial, l°-2° high, with petioled, deltoid-ovate or 

 hastate, entire or crenate leaves '2-3' long, the large blue flowers opposite in 

 terminal loose racemes, the linear bracts as long as the 2-lipped calyx or longer, 

 the widely 2-lipped corolla about 2' long. 



8. ROSMARINUS [Tourn.] L. 



A low shrub with narrow entire revolute-margined leaves, and blue or 

 white flowers in short opposite axillary racemes. Calyx subcampanulate, 2- 

 lipped, the upper lip 3-toothed, the lower lip 2-cleft. Corolla with a tube 

 longer than the calyx, an expanded throat, and a 2-lipped limb, its upper lip 

 notched, erect, the lower 3-cleft and spreading. Perfect stamens 2 ascending 

 under the upper lip of the corolla, the filament continuous with the connective. 

 Style 2-cleft. Nutlets smooth, ovoid. [Latin, sea-dew, from the habitat of this 

 plant near the sea.] A monotypic genus of the Mediterranean region. 



1. Rosmarinus officinalis L. 

 Rosemary. (Pig. 352.) A shrub 

 up to 4° high, but visually lower, 

 its slender, white-tomentose twigs 

 densely leafy. Leaves linear, 

 about V long, white-woolly be- 

 neath, blunt, their njargins strongly 

 revolute ; racemes few-flowered, 

 little longer than the leaves ; bracts 

 ovate, acute, about li" long; calyx 

 ribbed, about 2" long; lower lip 

 of the corolla about thrice as long 

 as the calyx, its middle lobe de- 

 clined. 



Rocky hillsides, St. David's Is- 

 land, where it has been naturalized 

 for many years. Flowers in spring. 

 Occasional in cultivation. Its leaves 

 are used for seasoning and oil of 

 rosemary is distilled from them. 



