Melampyrum.] SCROPHULARINEJE. 307 



leaves linear -lanceolate, bracts entire tips long slender. — Var. ericeto'rum, 

 D. Oliv. ; hispid, leaves linear-lanceolate, bracts toothed. 



2. M. sylvat'icum, L. ; flowers axillary secund, bracts quite entire, 

 corolla not much exceeding the calyx, lips not closed, lower denexed. 

 Subalpine woods, rare, from York to Caithness ; ascends to 1,000 ft. in the 



Highlands ; N.E. Ireland, rare ; fl. July-Aug. — Similar in habit and foliage 

 to M. praten'se, but flowers suberect ; calyx-teeth spreading ; corolla smaller, 

 shorter, deep yellow rarely pale (var. pallidiflo'ra), its tube curved, and 

 capsule not deflexed. — Distbib. Europe (Arctic) (excl. Greece), Siberia. 



3. M. arven'se, L. ; flowers spiked, bracts straight broad pinnatifid, 

 corolla-tube longer than the long slender calyx-teeth, lips closed. 



Cornfields, very local, Norfolk to Essex, Herts, I. of Wight ; (casual or a 

 colonist, Wats.) ; fl. July-Aug. — Stem 1-2 ft., obtusely 4-gonous, stout, 

 erect, branched, scaberulous. Leaves 1-3 in., lanceolate, quite entire or the 

 upper toothed at the base. Spike 3-4 in., stout, obscurely 4-gonous ; bracts 

 leafy, f-1 in., rose purple. Calyx-teeth nearly equal, subulate. Corolla f 

 in., erect, tube curved, puberulous, rosy, throat yellow, lips dark pink. 

 Capsule shorter than the calyx, ovoid, cells 1-seeded. Seeds oblong, like 

 black wheat-grains. — Distbib. Europe, W. Asia. 



4. M. crista'tum, L. ; flowers densely spiked, bracts ovate-ccrdate 

 acuminate recurved finely pectinate, corolla- tube much longer than the 

 unequal acute calyx- teeth, lips closed. 



Copses and fields in the E. counties, rare, from Hants to Norfolk, and Suffolk 

 to Bedford; (a colonist? Wats.); fl. Sept.-Oct.— Puberulous. Stem 6-18 

 in., rigid, erect, obtusely 4-angled. Leaves 2-4 in., spreading, narrow 

 linear-lanceolate. Spike l§-2 in., oblong, obtuse, acutely 4-angled with 

 hollow faces ; bracts densely imbricate, cordate, purple, teeth very slender, 

 margins folded enclosing the calyx. Calyx-tube short, teeth very unequal, 

 upper long subulate. Corolla f in., tube bent, yellow tipped with purple. 

 Capsule exceeding the calyx. — Distbib. Europe, Siberia. 



14. LATHRffi'A, L. TOOTHWORT. 



Fleshy root-parasites. Flowers 2-seriate in a secund raceme, bracteate. 

 Calyx campanulate, regular, 4-fid. Corolla gaping, upper lip arched en- 

 tire, lower smaller 3-toothed. Stamens 4, anther-cells spreading at the 

 base. Disk glandular, broad, anticous. Ovary 1-celled, placentas broad sub- 

 confluent in pairs, stigma large capitate 2-lobed. Capsule 2-valved, many- 

 seeded. — Distrib. Europe, N. and W. Asia, Himalaya ; species 3. — 

 Etym. XaQpcuos, hidden, from its locality. 



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

 On roots chiefly of hazel in shady places, from Perth and Inverness southd. ; 

 Ireland ; fl. April-May. — Perennial, white or purplish, glabrous or pilose, 

 fleshy, black when dry. Rootstock branched, scaly, rootlets attached by 

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

 stout, scaly. Raceme 4-6 in.; bracts like the scales, broadly oblong. 



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