454 cii. LABiATiE (baker). \Thymu8. 



25. THYMUS, Linn. ; Benth. et Hook. f. Gen. Plant, ii. 1186. 



Calyx-tube 10-1 3-nerved ; limb bilabiate. Corolla-tube included or 

 exserted ; limb short, obscurely bilabiate ; upper lip nearly flat ; lower 

 patent, 8-lobed. Stamens 4, equal or obscurely didynamous ; filaments 

 filiform ; anthers 2-celled. Disk equal. Style shortly bifid. Nucules 

 ovoid or oblong, smooth. — Perennial herbs or undershrubs. Leaves 

 small, usually entire. Whorls in the axils of the leaves or crowded into 

 terminal spicate panicles. Flowers small. 



Species 40, concentrated in the Mediterranean region. 



Leaves serrate 1. T. serrulatus. 



Leaves entire 2. T. Serpyllum. 



1. T. serrulatus, Hochst. ; Benth. in DC. Prod. xii. 208. A 

 much-branched perennial, shrubby at the base, with short decumbent 

 pubescent stems. - Leaves lanceolate, sessile, firm, acutely serrate, 

 -J-J in. long, cuneate at the base, ciliate, dotted with conspicuous black 

 glands. Whorls aggregated inwO dense globose terminal heads with 

 leaves crowded at the base. Calyx J in. long ; tube oblong ; teeth acute, 

 longer than the tube. Corolla twice as long as the calyx. Stamens 

 exserted.— A. Rich. Tent. Fl. Abyss, ii. 188; Engl. Hochgebirgsfl. 

 Trop. Afr. 364. 



irile l^and. Abyssinia, at 10,000-11,700 ft. : Aber Mountain, near Adesela, 

 Schimper, 868 ! Debra Eski, Schimper^ 153 ; Urahut district, on Erareta Mountain, 

 Schimper, 713 ; Lotbo, Schimper, 463. 



2. T. Serpyllum, Linn. ; Benth. in DC. Prod. xii. 200. A 

 perennial, much-branched at the crown of the root, with slender trailing 

 more or less pubescent stems. Leaves sessile, oblong or lanceolate, 

 cuneate at the base, entire, conspicuously dotted with black glands. 

 Whorls crowded into globose terminal heads. Calyx y\ ^^- lo^g J ^^^e 

 campanulate ; teeth of the upper lip short, of the lower long and narrow. 

 Corolla-tube as long as the calyx. — A. Rich. Tent. Fl. Abyss, ii. 188; 

 Hook. f. Fl. Brit. Ind. iv. 649 ; Engl. Hochgebirgsfl. Trop. Afr. 3G4. 



Xrile Xiand. Eritrea : Mount Bizen, 6500 ft., Schweinfurth Sf Eiva, 1854 ! 

 Abyssinia: Samen; Ataba, Steudner, 14061 near Enjedcap, Schimper, 1178! and 

 without precise locality, Schimper, 712 ! 



Also in Europe, Western Asia, Himalayas, and Greenland. 



26. CALAMINTHA, Moench ; Benth. et Hook. f.Gen. 

 Plant, ii. 1190. 



Calyx tube cylindric, 1 3-nerved; limb bilabiate; upper lip trifid, 

 lower bifid. Corolla-tube straight ; limb bilabiate ; upper lip flat or 

 slightly concave ; lower patent, bifid. Stamens 4, ascending ; upper 

 sometimes imperfect ; anther-cells parallel or divergent. Disk equal. 

 Style bifid. Nucules ovoid, smooth. — Herbs or undershrubs. Leaves 

 entire or dentate. Whorls usually axillary, many-flowered. Flowers 

 small or medium-sized. 



