LABIATE 99 



3. ORIGANUM, Tourn. 



Flowers small, crowded, in corymbose cymes ; calyx 

 regular ; corolla obscurely 2-lipped ; stamens 4, perfect ; 

 plant very fragrant. Not alpine. 



O. vulgar e^ L., Marjoram ; open hill-sides, especially 

 calcareous. 



4. THYMUS, L. 



Flowers small, in few-flowered axillary cymes, often 

 unisexual ; calyx 2-lipped ; corolla obscurely 2-lipped ; 

 stamens 4, perfect, very unequal ; leaves small, entire ; 

 tern procumbent ; plant very fragrant. 



T. Serpyllum, L. (including pannonicum, AIL), Wild 

 Thyme ; frequent. T. Chamcedrys, Fr. ; more caespitose, 

 branches square, cymes forming a spike; the more 

 common species in the Alps. T. vulgaris, L., Garden 

 Thyme; flowers larger, stem more erect, edges of leaves 

 revolute ; Pyrenees, doubtfully wild in Southern Switzer- 

 land. 



5. CALAMINTHA, Moench. 



Axillary cymes usually few-flowered, generally stalked ; 

 calyx tubular, 2-lipped ; corolla with a long straight tube, 

 2-lipped, upper lip erect, lower lip spreading, 3-lobed; 

 stamens 4. 



A. Flowers red-purple: C. Clinopodium, Benth. 

 (Clinopodium vulgare, L.), Wild Basil ; flowers numerous, 

 in dense nearly sessile cymes, surrounded by numerous 

 ciliate bracts, leaves pubescent ; copses, common. C. 

 officinalis, Mcench., Calamint; flowers 5-15 in stalked 

 cymes, calyx- teeth very unequal ; thickets. C. menthcz- 

 folia, Host. (ascendenSj Jord.) ; very similar, but with 



