398 
The Ohio Naturalist. 
[Vol. VI, No. 8. 
spikelets mostly green, ])erigynia 2.S-3.7 mm. wide, almost 
orbicular, and narrower scales. 
472b. Mayaca auhleti Michx. Auglaize County, A. Wetz- 
stein. The occurrence of this aquatic species so far north of its 
usual range is of much interest. 
.')47a. Sntilax pulvernlenta Michx. Montgomery County, 
S. E. Horlacher. Distinguished from Smilax herbacea, which it 
closely resembles, by the pubescent lower surface of the leaves. 
755a. Gomphrcna ylobosa L. An Amaranthaceous plant fre- 
<[uently cultivated for ornament and escaped in Wood County, 
where it was collected by Professor Kellerman. 
S77a. Bocconia cordata Willd., the Plume Poppy, likewise 
commonly cultivated, has escaped around London, Madison 
County, and s])ecimens have been sent to the herbarium by 
Mrs. K. D. Shar]). 
l()33a. Aronia atropurpurea Britton. Ohio Nat. 5:2(14. 
105<Sa. Cassia medsgeri Shafer. Ohio Nat. 5:264. 
1245a. H vpcricinn boreale (Britton) Bicknell. Ohio Nat. 
3:249. 
1794a. Xanthiiim commune Britton. This, our commone.‘:t 
s])ecies of Cocklebur, has generally been confused with Xanihium 
canadoise. It is at once recognized by the densely hispid- 
pubescent spines of the burs ; all other species in our region have 
burs either glabrous or merely puberulent. the hairs never 
exceeding the diameter of the spines. 
17941). Xanthium glabratum (DC.) Britton. Apparently 
common in southeastern Ohio, extending north and west to 
Franklin County. It is distinguished bv the glabrous burs with 
beaks straight or nearly so. 
1963a. Bidens elliptica (Wiegand) Gleason, and 1967a, 
Bidens vulgata Greene, are described in Ohio Nat. 5:316. 
Mr. L. D. Stair, of Cleveland, has contributed the following 
s])ecies, all from Cuvahoga County: 131a, Panicnm implicaUim 
Scribn.; 196a, Agrostis asperifolia Trin.; 212c, Beckm annia 
cj-ucaejormis (L.) Host.; 255a, Festnca capillata Lam.; Bromus 
brizaeformis Fisch. and Mev.; 265c, Bromus arvensis L.; 376a, 
Carex tenuis inter jccta (Bailey) Britton; 1303a, I'^eifpa jruticosa 
pilosclla (Raf.) Britton; 1615a, Scrophularia le^rella Bicknell; 
lS93a, Aster lateriflorus horizontalis (Desf.) Burgess. 
-Mr. S. E. Horlacher, of Dayton, has added 757b, Allionia 
nyctaginea ovata (Pursh) Morong; 1650b, Gerardia tenuifolta 
usperula Grav; 1755a, Cichorium intybus divaricatum DC. 
