OROBANCHE.] OROBANCHE^E. 277 



late, corolla-tube curved, lobes of both lips acute, filaments almost 



glabrous, suture of anthers glabrous, stigma white. 



On Aclullea Millefolium, from Norfolk and Monmouth southwards, and in the 

 Channel Is. ; fl. June-Oct. Stem 6-12 in., slender, tough, not tumid below. 

 Spike usually dense ; bracts lanceolate. Corolla-tube jj-l in., curved, upper 

 lip 2-lobed, lobes pale blue with darker veins. DISTRIB. Europe from Hol- 

 land southwards, W. Asia to the Himalaya. 



0. arena'ria, Bork. , erroneously supposed to have been found in Jersey 

 and Aldemey, is only distinguishable from 0. ccerulea by the pilose 

 anthers. 



2. LATHR-fla'A, L. ToOTHWORT. 



A pale purplish fleshy root-parasite. Flowers 2-seriate in a secund 

 raceme, bracteate. Calyx campanulate, regular, 4-fid. Corolla gaping, 

 upper lip arched entire, lower smaller 3-toothed. Stamens 4, anther- 

 cells spreading at the base. Disk glandular, opposite the lower lip of 

 the corolla. Ovary with broad placentas subcontinent in pairs, stigma 

 large capitate 2-lobed. Capsule 2-valved, many-seeded. DISTRIB. E. 

 Europe, W. Siberia, Syria, the Himalaya. ETYM. Xa.Qpa.i6s, hidden, from 

 its locality. 



1. L. squama'ria, L. ; raceme decurved in bud, flowers subsessilc. 



On roots chiefly of hazel in shady places, from Stirling to Devon and Kent ; rather 

 rare in Ireland; fl. April-May. Perennial, white or purplish, glabrous or 

 pilose, fleshy, black when dry. liootstock branched, scaly, rootlets attached 

 by tubercular faces to the rootlets of the plant it preys upon. Stems 4-10 in., 

 stout, scaly. Raceme 46 in., bracts like the scales, broadly oblong. Flowers 

 in. Calyx 2-lipped, lobes broad subacute, shorter than the dull purple 

 arched corolla, which has small erect lobes. A nthers coherent, pubescent. 

 Style exserted, decurved, stigma purple. Capsule ovoid. 



ORDER LV. LABIATE. 



Herbs or shrubs, usually with immersed reservoirs of essential oil ; 

 branches 4-angled, opposite or whorled. Leaves opposite or whorled, entire 

 or divided, exstipulate. Flowers solitary or in axillary opposite centrifugal 

 cymes, irregular ; bracts 2 at the forks, bracteole opposite the flower. Calyx 

 inferior, persistent, 5-cleft, ribbed. Corolla hypogynous, deciduous, 5- 

 merous, 2-lipped, imbricate in bud, upper lip outermost Stamens inserted 

 on the corolla-tube, usually 4, uppermost and sometimes the two lateral 

 or imperfect ; anthers 2-celled, polymorphous. Disk annular. Ovary of 2 

 connate deeply-lobed carpels, hence 4-partite, 4-celled ; style from between 

 the lobes, slender, stigma entire or 2-iid ; ovules solitary in each cell, 

 erecr, anatropous. Fruit of 1-4 one-seeded nutlets (the mature lobes of 

 the ovary). Seed erect or ascending, testa thin, albumen ; embryo 

 straight, rarely curved, cotyledons fleshy, radicle next the hilum. 

 DISTKIB. Abundant in warm and temp, regions, rare in arctic and alpine ; 

 genera 120 ; species about 2,500. AFFINITIES. With Boraginew and 

 e. I'UOPJBRTIES. Stimulant, fragrant, aromatic. 



