320 LABIATE. [Calamintha. 



lower larger. Nutlets smooth. — Distrib. Temp. N. hemisphere ; species 

 about 40. — Etym. ica\6s and [xivQa, beautiful mint. 



Sub-gen. 1. Calamintha proper. Whorls many, compound, lax, 

 lower many-fld. ; bracts minute. Calyx-tube straight. Corolla with 

 mid-lobe of lower lip notched. 



1. C. officinalis, Moznch ; perennial, leaves ovate, cymes secund. 

 Calamint. 



Waste places in dry soil from Westmoreland southd.; Ireland; Channel 

 Islands ; fl. July-Sept. — Hairy. Rootstock more or less creeping, stoloni- 

 ferous. Stem 1-3 ft., erect or decumbent below ; branches usually long, 

 straggling and ascending. Leaves crenate-toothed, very variable in size and 

 depth of serratures but pretty uniform in shape, almost glabrous or downy 

 or nearly woolly. Cymes more or less unilateral, peduncles and pedicels 

 variable. — Distrib. From Belgium southd., N. Africa, W. Asia ; introd. 

 in N. America. 



C. officinalis proper ; branches long ascending, leaves 1-1§ in. crenate-serrate 

 green beneath, cymes few-fld., calyx bent on the pedicel 2-lipped, teeth 

 with long bristles, upper triangular, lower subulate much longer, hairs of 

 throat included, corolla ^ in., mid-lobe of lower lip longest. C. menthcefo'lia, 

 Host. — Yar. BHgg'sii, Syme ; larger, more hispid, peduncles of lower whorls 

 equalling or exceeding the pedicel of the central flower. — Devonshire. 



Sub-sp. 0. Nep'eta, Claim. ; branches short erect, leaves usually §-1 in., 

 subentire pale beneath, cymes about 10-fld., calyx erect on the pedicel, 

 teeth nearly equal, upper triangular recurved, lower subulate, hairs of 

 throat prominent, corolla § in., mid-lobe of lower lip broad truncate. — 

 York to Kent. 



Sub-sp. C. syxvat'ica, Bromf. ; branches or long ascending, leaves 1-3 in., 

 deeply crenate-serrate, cymes loose, flowers large, calyx bent on the pedicel 

 2-lipped ciliate, 3 upper teeth abruptly recurved, 2 lower twice as long 

 incurved, hairs of throat concealed in the tube, corolla f-1 in., mid-lobe of 

 lower lip about equalling the lateral. — Chalk banks, I. of Wight, Hants, 

 Devon.— This is the true C. officinalis, Mcench, according to Nyman. 



Sub-gen. 2. Clinopo'dinm, L. (gen.). Whorls few* compound, 

 dense-fid., surrounded by many linear bracteoles. Calyx-tube slightly 

 curved. Corolla with mid-lobe of lower lip notched. 



2. C. Clinopo'dium, Benth. ; perennial, softly hairy, leaves ovate 

 obscurely toothed. Clinopo'dium vulga're, L. Wild Basil. 



Copses and rocky places, Banff and Kenfrew, southd. ; rare in Scotland and 

 Ireland ; ascends to 1,050 ft. in Derby ; fl. July-Sept. — Rootstock woody, 

 stoloniferous. Stem 1-3 ft., slender, flexuous, subsimple. Leaves remote, 1-2 

 in., subacute. Whorls terminal and axillary, f-1 in. diam., depressed ; bracts 

 equalling the calyx'; pedicels slender ; flowers crowded. Calyx §-§ in., striate, 

 bristly. Corolla f-1 in., purple, hairy ; lips subequal. — Distrib. Europe, 

 N. Africa, N. and W. Asia, Himalaya, Canada ; introd. in the U. States. 



Sub-gen. 3. A'cinos, Moznch (gen.). Whorls many, simple, lower 

 5-6-fld. ; bracteoles few, minute. Calyx-tube curved. Corolla with the 

 mid-lobe of the lower lip almost entire. 



