VERBASCUM.] SCROPHULARINE^. 291 



TRIBE II. ANTIRRHINE'-ffi. Lower leaves or all opposite or whorled. 

 - Inflorescence centripetal. Corolla personate, tube saccate or spurred. 

 Stamens 4. Stigma 2-lobed. Capsule opening by pores. 



Corolla spurred at the base 2, Linaria. 



Corolla saccate at the base 3. Antirrhinum. 



TRIBE III. CHELONE7E, Inflorescence composite. Corolla not spurred 

 or saccate. Stamens 4. Stiyma notched. Capsule 2-4-valved. 



4. Scrophularia. 



TRIBE IY. GRATIOLE'-ffi. Inflorescence centripetal. Corolla not spurred 

 or saccate. Stiyma 2-lamellate. Capsule 2-valved 4*. Mimulus. 



SUB-ORDER II. RMnan'thidese. Corolla with the posticous (upper) lobes 

 never exterior in bud. 



TRIBE V. SIBTHORPIE'JE. Flowers axillary. Leaves alternate. Corolla 

 short, subregular. Stamens 4, nearly equal Stiyma entire. 



Leaves fascicled, linear. Anthers 1-celled 5. Limosella. 



Leaves alternate, orbicular. Anthers sagittate, 2-celled 6. Sibthorpia. 



TRIBE YI. DIGITAIiE'.ffi. Inflorescence centripetal. Leaves alternate, 

 lower petioled. Stamens 2 or 4. Stiyma 2-lobed 7. Digitalis. 



TRIBE YII. VERONICE'-ffi. Inflorescence centripetal. Leaves opposite. 

 Corolla almost regular. Stamens 2, diverging. Stiyma capitate. 



8. Yeronica. 



TRIBE YIII. EUPHRASIE'-ffi. Inflorescence centripetal. Leaves usually 



opposite. Corolla 2-lipped. Stamens 4, converging, Stiyma unequally 



2-fid. 

 Leaves opposite. Seeds many, small, not winged. 



Upper corolla-lip entire or notched 9. Bartsia. 



Upper corolla-lip with 2 spreading or reflexed lobes 10. Euphrasia. 



Leaves opposite. Seeds few, compressed, winged 11. Ehinanthus. 



Leaves alternate. Seeds many, small, not winged 12. Pedicularis. 



Leaves opposite. Seeds 1-2 in each cell, not winged. ...13. Melampyrum. 

 Leafless parasite 14. Lathroea. 



1 VERBAS'CUM, L. MULLEIN. 



Tall, erect, usually biennial, tomentose or woolly herbs. Leaves alternate. 

 Floicers in simple or compound racemes, red, yellow, or purple, rarely 

 white, honey scanty. Calyx 5-partite. Corolla rotate ; segments 5, nearly 

 equal. Stamens 5, 3 posterior or all the filaments bearded ; anther- cells 

 confluent. Stigma undivided or 2-lamellate. Capsule septicidally 2-valved, 

 many-seeded. Seeds pitted. DISTRIB. Chiefly Europe and "W". Asia ; 

 species about 100. ETYM. A corruption of Barbascum, the Latin name. 



The following hybrids occur ; their names indicate their parentage : Thapso- 

 Lychnitis, Tliapso-niyrum, nigro-pulverulcntum, niyro-Lychnitis. 



1. V. Thap'sus, L. ; densely woolly, eglandnlar, stem terete simple, leaves 

 very decurrent, flowers in a dense simple woolly spike. 



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