16 O. S. U. Naturalist. [Nov. 
538a Convallaria majalis L. Lily of the Valley. Abundantly 
escaped in Cemetery, Worthington. R. F. Griggs. 
619a Salix nigra x amygdaloides. A. D. Selby, 8th Report 
Academy of Science, p. 22, and others. 
629 Change S. fluviatilis Nutt, to S. interior Rowlee. Rowlee 
in Bull. Torr. Bot. Club. 27 : 247, 1900. 
629a Salix interior var. wheeleri Rowlee. Cedar Point, W. A. 
Kellerman and R. F. Grigs. 
636a Salix sericea x cordata. Ashtabula. (W. A. Kellerman 
Coll.) R. F. Griggs. 
637a Salix peliolaris var. graciles. Toledo. (J. A. Sanford, Coll. 
1879,) R. F. Griggs. 
638a Salix Candida x cordata. Castalia, Erie County. R. F. 
Griggs. 
864a Berberis aquilifolium. Pursh. (Mahonia aqnilifolium 
Nutt.) Seeding in Cemetery, Worthington. R. F. Griggs. 
898b Diplotaxus muralis (L.) DC. Diplotaxus. Cleveland, Ohio. 
Wm. Krebs. 
963 Philadelphus inodorus L. Mt. Pleasant, Jefferson County. 
W. A. Kellerman. 
1039a Cratsegus cordata (Mill.) Ait. Washington Thorn. Steub- 
enville, Ohio. H. N. Mertz. 
1045a Crataegus multipes n. sp. (W. W. Ashe in Bulletin 175 N. 
C. Experiment Station, August, 1900.) Ohio, E. E. Bogue, Coll. 
1132a Dolichos lablab L. Hyacinth Bean. Escaped from cultiva- 
tion in several places in Columbus. Found growing on vacant lots, 
surrounded by large weeds. John H. Schaffner. 
1188a Rhus cotinus L. Escaped, Mt. Pleasant, Jefferson County. 
W. A. Kellerman. 
1219a Ampelopsis cordata Michx. Scioto County. Previously 
reported for Ohio. W. A. Kellerman. 
1255 Lechea minor L. Steubenville, Ohio. H. N. Mertz. 
1487a Gilia coronopifolia Pers. Growing in a cemetery near 
Madison, Lake County. Spreading slowly. F. J, Tyler. 
1729 Euphorbia lathyris L. Pomeroy, Meigs County. W. A. 
Kellerman. 
1919a Polymnia canadensis var. radiata Gray. Cedar Point. 
Very abundant. R. F. Griggs. 
1943a Helianthus maximiliani Schrad. Sandusky. A single 
plant along railroad tracks. R. F. Griggs. 
COLLECTING AND PRESERVING MICROSCOPIC PLANTS. 
Small plants like Desmids, Diatoms, etc., may be preserved in 
water, in homeopathic vials, provided a drop of carbolic acid is 
added to each bottle of material. In this way they will keep for a 
long time with very little change of color and contents. 
J. H. S. 
