io6 Scrophulariacese. 



Yl.—BARTSIA. 



Calyx tubular 4-cleft, corolla 2-lippecl, upper lip entire arched, sides not 

 reflexed, lower lip 3-lobed, lobes bent back, stamens didynamous hidden by 

 the upper lip. 



Bart'sia alpi'na (8). Alpine Bartsia. 6 — 8. Stem 4 — 8 inches high, 

 (1071) leaves sessile ovate bluntly serrate, upper leaves cordate amplexicaul, 

 flowers dull purple, in a short few-flowered leafy spike. 



[G. {Between Gordale and Malha??i Tarn. ) 



BART'SIA ODONTI'TES (iii). Red Bartsia. 6-8. Stem 6—18 

 (1069) inches high, leaves linear-lanceolate distantly serrate, flowers red in 

 unilateral racemes. Waste places. 



Vll.— EUPHRASIA. 



EUPHRA'SIA OFFICINA'LIS (III). Eyebright. 5-9. Stem 1—8 



(106S) inches high with many opposite branches, leaves sessile ovate deeply 



serrate, flowers in terminal spikes with leafy bracts, corolla ^^4 inch, 



white or lilac with purple veins, upper lip concave 2-lobed, lower lip 



spreading nearly equally 3-lobed, mid lobe yellow. Heaths. 



Will.— LIN ARIA. 

 Calyx 5-partite, corolla personate, spurred at the base. 



Stem prostrate or trailing, 43 1 



Stem erect, 432 



431 Stem glabrous, , . L, Cymbalaria. 



431 Stem hairy, 433 



432 Stem tall, . L. vulgaris. 



432 vStem under 6 inches, ..... L. minor. 



433 Leaves hastate, L. Elatine. 



433 Leaves ovate, ........ L. spuria. 



LINA'RIA CYMBALA'RIA. Ivy-leaved Toad-flax, Mother of thousands. 

 (1028) 5 — 9. Stem 6 — 24 inches long trailing, leaves reniform 5-lobed 



glabrous, flowers blue purple solitary, peduncles long and slender. 



Old walls. 



LINA'RIA VULGA'RIS (98). Yellow Toad-flax. 7—10. Stem 1—2 

 ( 1035) feet high erect, leaves linear crowded, flowers yellow in a dense im- 

 bricated raceme. Banks. 



Lina'ria spu'ria (43). 7—10. Stem 4—18 in. erect hairy, leaves nearly 

 (1030) sessile ovate bluntly toothed, corolla | in. yellow, upper lip pnrple, 

 seeds warted. [Rg. W. L. Tb. F. C. CI. 



