278 SCROPHULARIACEAE 



Sepals distinct or essentially so. 12. Conobea. 



Anther-bearing filaments 2. 



Calyx of 5 nearly distinct sepals. 



Filaments short and stout, or almost wanting. 



13. Gratiola. 

 Filaments elongated and slender. 14. Ilysanthes. 



Calyx of 5 partially united sepals. 15. Micranthemdm. 



Lower lips or lobes of the corolla external in the bud. 

 Sepals distinct or essentially so. 

 Corolla rotate or campanulate : stamens not surpassing the corolla lobes. 



16. Veronica. 

 Corolla tubular : stamens exserted. 17. Lkptandra. 



Sepals almost wholly or only partially united into a tube. 



Corolla various, but only slightly 2-lipped : stamens not ascending under 

 the upper lip. 

 Corolla funnelform : capsule exserted. 

 Anther-sacs awned at the base : corolla yellow. 18. Dasystoma. 

 Anther-sacs awnless : corolla rose-purple, pink or white. 



19. Gerardia. 

 Corolla salverform : capsule mostly in the calyx. 20. Buchxera. 

 Corolla strongly 2-lipped : stamens ascending under the upper lip. 

 Anther-sacs unlike, the inner pendulous. 21. Castilleja. 



Anther-sacs alike, parallel. 

 Ovules 1-2 in each cavity of the ovary : capsules 1-4-seeded. 



22. Melampyrum. 

 Ovules several to many in each cavity : capsules many-seeded. 



23. Pedicularis. 



1. VERBASCUM L. 



Plant densely woolly or finely tomentose. 



Leaf -blades entire or merely undulate : racemes usually simple : capsules 7- 



10 mm. long. i. V. Thapsus. 



Leaf-blades crenate : racemes usually compound : capsules 4-5 mm. long. 



2. V. Lychnitis. 

 Plant glabrous or sparingly glandular-pubescent above. 3. V. Blattaria. 



1. Verbascum Thapsus L. Great Mullen. (Man. p. 819; 1. F. /. 

 32zg.') In fields and waste places, N. S. to S. Dak., Fla. and Kans. Nat. 

 frora Eu. — Pe7tiisylvatiia : Pike; Monroe ; Northampton ; Bucks; 

 Delaware ; Chester ; Lancaster ; Franklin ; Huntington ; Alle- 

 gheny. 



2. Verbascum Lychnitis L. White Mullen. (Man. p. 820 ; I. F. 

 /. 32J1. ) In fields and waste places, Ont. to N. J. and Pa. Reported 

 from Kans. Nat. from Eu.— Pennsylvania : Northampton; Phila- 

 delphia; Delaware; Lebanon. 



3. Verbascum Blattaria L. Moth Mullen. (Man. p. 820 ; I. F. 

 y. J2J2.) In fields and waste places, Quebec to Fla., Minn, and Kans. 

 Nat. from Eu. — Pennsylvania : Northampton ; Delaware ; Chester ; 

 Lancaster ; Franklin ; Allegheny. 



2. CYMBALARIA Medic. 

 1. Cymbalaria Cymbalaria (L-) Wettst. Kenilworth on Coli- 

 seum Ivy. (Man. p. S20 ; l.F./. J2jj. ) In waste places and roadsides, 



