1054 



KHINANTHACEAE 



Trees. 

 Herbs. 



Anther-bearing filamens 4 or rarely 3. 

 Sepals united into an angled tube. 

 Sepals distinct or nearly so. 

 Anther-bearing filaments 4. 

 Sepals equal or nearly so. 



Anther-sacs separated on stalks. 

 Anther-sacs contiguous. 

 Sepals very unequal, the upper one largest. 

 Corolla nearly regular, about equally 5-lobed. 

 Corolla irregular, manifestly 2-lipped. 



Flowers ped uncled : hypogynous disk present: leaf- 

 blades palmately nerved. 



Flowers ped i celled : hypogynous disk wanting: leaf- 

 blades pinnately nerved. 

 Anther-bearing filaments 3. 

 Anther-bearing filaments 2. 



Calyx of 5 nearly distinct sepals. 



Filaments short, stout or almost wanting. 



Anther-sacs transverse, separated on a dilated connective : 



succulent herbaceous herbs. 

 Anther-sacs vertical, contiguous : rigid herbs. 

 Filaments elongated and slender. 

 Calyx of 4-5 partially united sepals. 



Corolla exceedingly irregular, the upper lip wanting or ob- 



lete : anther-sacs divergent. 

 Corolla nearly regular, the upper lip present : anther-sacs 



parallel. 

 Calyx-lobes 4 : corolla-tube barely surpassing the calyx, 



the lobes spreading. 

 Calyx-lobes 5 : corolla-tube much surpassing the calyx, 



the lobes erect. 



B. Lower lip or lobes of the corolla external in the bud. 

 Sepals distinct or nearly so. 



Corolla rotate or campanulate : stamens not surpassing the corolla. 

 Corolla-lobes 5 : leaves alternate : corolla campanulate. 

 Corolla-lobes 4 : leaves opposite : corolla rotate. 



Capsules neither notched nor lobed. septicidal : stamens 4. 

 Capsules notched or lobed at the apex, loculicidal : stamens 2. 

 Corolla tubular : stamens exserted. 

 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 campanulate, funnelform or tubular : capsule not included in 



the calyx. 

 Stamens equal or nearly so. 



Stamens exserted : style elongated, filiform : stigmas minute. 

 Corolla tubular : anther-sacs not distinct. 

 Corolla rotate-campanulate : anther-sacs distinct. 

 Stamens included: style short, columnar: stigma dilated and 



2-lobed. 

 Stamens manifestly didynamous. 



Anther-sacs awned at the base : corolla yellow. 

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

 Anthers of 2 sizes : upper leaves auricled at the base. 

 Anthers equal : leaves not auricled. 



Corolla salverform : capsule mostly included in the calyx. 

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

 Anther-sacs unlike, the inner pendulous. 

 Anther-sacs alike, parallel. 



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

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

 Calyx split, not accompanied by bractlets. 

 Calyx not split, accompanied by 2 bractlets. 



11. PAULO WNIA. 



12. MlMULUS. 



13. STEMODIA. 



14. CONOBEA. 



15. MONNIERA. 



16. SEPTILIA. 



17. MECARDONIA. 



18. HYDRANTHELIUM. 



19. GRATIOLA. 



20. SOPHRONANTHE. 



21. ILYSANTHES. 



22. HEMIANTHUS. 



23. MlCRANTHEMUM. 



24. AMPHIANTHU8. 



25. CAPRARIA. 



26. SCOPARIA. 



27. VERONICA. 



28. LEPTANDRA. 



29. MACRANTHERA. 



30. AFZEIJA. 



31. BRACHYGYNE. 



32. DASYSTOMA. 



33. OTOPHYLLA. 



34. GERARDIA. 



35. BUCHNERA. 



36. CASTILLEJA. 



37. MELAMPYRUM. 



38. PEDICULARIS. 



39. SCHWALBEA. 



1. VERBASCUM L. 



Annual, biennial or rarely perennial caulescent herbs, often glandular or densely 

 pubescent. Leaves alternate : blades entire, toothed or pinnatifid, sometimes decurrent 

 on the stem. Flowers in terminal spikes, racemes or panicles. Sepals 5, partially united. 

 Corolla white, yellow or purple, rotate: lobes 5, slightly unequal, the upper one exterior 

 in the bud. Stamens 5, exserted, the upper 3, or all of the filaments pubescent : anther- 

 sacs confluent. Ovary 2-celled, sessile : styles dilated or flattened at the apex. Ovules 

 numerous. Capsule oblong to subglobose, septicidally 2-valved : valves usually cleft at 

 the apex. Seeds rugose, wingless. Our species bloom in the summer and fall. MULLEN. 



Foliage glabrous, or glandular above : racemes much interrupted. 1. V. Blatiaria. 

 Foliage densely pubescent : racemes continuous, at least above. 



Leaf-blades crenate: racemes usually compound: capsules 4-6 mm. long. 2. V. Lychnitis. 



Leaf-blades entire or merely undulate : racemes simple : capsules 7-10 mm. long. 3. V, Thapsus. 



