1919.] NATURAL SCIENCES OF PHILADELPHIA. 249 



CaljTc-lobes acute, one-third to one-half the length of the tube. 

 Anterior lobe of the corolla about half as long as the portion 

 of the anterior lip below the base of the lateral lobes. 



H. glomeratxis. 



16. LEUCOSPORA Nuttall. 



Lewcospora Nutt., Journ. Acad. Nat. Sci. Phila. 7: 87. 1834. 

 Type species, Capraria multifida Michx. 



1. Leuscopora multifida (Michx.) Nutt. 



Capraria multifida Michx., Fl. Bor. Amer. 2: 22. pi. 35. 1805. "Hab. 

 in ripis arenosis fluminum amniculorumque, in Tennassee et Illinoensi 

 regione." Type not verified, but description and plate certainly of 

 species here considered. 

 Leucospora multifida (Michx.) Nutt., 1. c. 87. 1834. 



Sandy or loam banks of brooks or rivers, in open meadows or 

 along shores, also in "Cedar Glades," Tennessee west of the Cum- 

 berland Mountains, to western Alabama and central Mississippi. 

 Ranges from southwestern Ontario to Kansas, south to Alabama and 

 Texas. 



Flowering from June to October, and soon ripening fruit. Corolla 

 pale-lavender, deeper on lobes, and lined with deeper lavender; tube 

 within at base greenish-yellow, then yellow on the anterior side, 

 and toward mouth with a purplish ring; white at base of the lavender 

 anterior lobes. This plant has been placed in the very different 

 tropical genus Conohea Aubl. ' ' 



17. VERB AS CUM Linne. 



Verhascum L., Sp. PI. 177. 1753. 



Type species, V. thapsus L., of Europe. 



Stem glabrous or with simple gland-tipped hairs above. Leaves 

 glabrous. Pedicels 10-15 mm. long. Filaments all densely 

 lanose with knobbed purple hairs. Capsule subglobose, glandu- 

 lar-puberulent. Seeds .8-.9 mm. long, dark-gray. 



1. V. hlattaria. 

 Stem pubescent with stellate glandless hairs. Leaves, at least 

 beneath, pubescent. Pedicels less than 10 mm. long. Fila- 

 ments: three posterior lanose, two anterior sparingly lanose 

 to glabrous, with filiform yellow hairs. Capsules ovoid to 

 oblong, stellate-pubescent. Seeds A-.7 mm. long, brownish- 

 gray. 

 Leaf-blades crenate, glabrate above, those of the stem sessile. 

 Pedicels usually several in an axil. Sepals about one-half 

 length of capsule. Inflorescence not densely crowded. 

 Inflorescence a simple raceme, the pedicels 1-5 to an axil. 

 Capsule globose, 7-8 mm. long. Leaves green and slightly 

 pubescent beneath. 2. V. virgatum. 



