PLANTS OF IOWA 209 



2703. 8. parvula, Michx. Small Skull-cap. 

 On sandy and rocky slopes. 



2704. 8. galericulata, L. Marsh Skull-cap. 

 In swamps. 



2705. 8. nervosa, Pursh. Veined Skull-cap. 

 MARRUBIUM, L. 



2706. M. vulgare, L. White Hoarhound. 



In waste places; introduced from Europe. 

 AGASTACHE, Clayt. 



2707. A. nepetoides, (L.) Kuntze. Catnip Giant Hyssop. 

 Along borders and in thickets, not common. 



2708. A. scrophularicefolia, (Willd.) Kuntze. Giant Hyssop. 

 In thickets and woods, common. 



2709. A. anethiodora, (Nutt.) Britton. Fragrant Giant- 



hyssop. 

 On prairies. 

 NEPETA, L. 



2710. N. cataria, L. Catnip. 



In waste places. Introduced. Common. 

 GLECOMA, L. 



2711. G. hederacea, L. Ground Ivy. 

 A common introduced weed. 



DRACOCEPHALUM, L. 



2712. D. parviflorum, Nutt. American Dragon-head. 

 In sterile soil. 



PRUNELLA, L. 



2713. P. vulgaris, L. Heal-all. 



Moist woods, waste places. Native, or thoroughly 



naturalized. 

 PHYSOSTEGIA, Benth. 



2714. P. virginiana, (L.) Benth. False Dragon-head. 

 On alluvial banks, infrequent* 



2715. P. parviflora, Uutt. Purple Lion's Heart. 

 In moist places; not abundant. 



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