142 Proceedings of Indiana Academy of Science. 
Achillea Millefolium L. A frequent escape. 
Anthemis Cotula L. Abundant in barnyards, etc. 
Chrysanthemum Leucanthemum LL. var. pinnatifidwm Lecoq & La- 
motte. Common in waste places. 
Tanacetum vulgare L. var. crispum DC. An occasional escape. 
Artemisia biennis Willd. Not uncommon in waste places. 
Artemisia annua L. River-banks and waste places, where it was 
common before 1881, though not mentioned in the Fifth Edition 
of Gray’s Manual. 
Erechtites hieracifolia (.) Raf. Common in clearings. 
Cacalia suaveolens L. Rich woods, rare. 
Cacalia atriplicifolia L. Woods, rather common. 
Senecio aureus L. In meadows and thickets, locally common. 
Arctium minus Bernh. An abundant and troublesome weed. 
Cirsium lanceolatum (L.) Hill. Very common in pastures. 
Cirsium discolor (Muhl.) Spreng. Rich soil, not common. 
Cichorium Intybus L. Roadsides, not common. 
Krigia amplexicaulis Nutt. Wooded banks, not infrequent. 
Taraxacum officinale Weber. Yards and pastures, abundant. 
Sonchus oleraceus L. Cultivated ground near dwellings, common. 
Sonchus asper (L.) Hill. Roadsides and waste ground, common. 
Lactuca integrifolia Bigel. In thickets, not uncommon. 
Lactuca villosa Jacq. Rich soil, frequent. 
Lactuca spicata (Lam.) Hiteche. With the last, and equally common. 
Hieracium scabrum Michx. Common in dry woods. 
Hieracium Gronovii L. Sandy soil near river, not common. 
The following species were collected in the vicinity of Hanover, 
Jefferson County, Indiana, during the years 1887-1890, but were never 
found in Boone County, owing perhaps to the complete change in geo- 
logical horizon, although the two districts are less than sixty miles apart: 
Pellaea atropurpurea (L.) Link. 
Camptosorus rhizophyllus (L.) Link. 
Oakesia sessilifolia (L.) Wats. 
Muscari botryoides (L.) Mill. 
Trillium recurvatum Beck. 
Hypowxis hirsuta (L.) Coville. 
Orchis spectabilis L. 
Habenaria peramoena Gray. 
Corallorhiza odontorhiza Nutt. 
Aplectrum hyemale (Muhl.) Torr. 
Saururus cernuus L. 
Maclura pomifera (Raf.) Schneider. 
