34 
The Ohio Naturalist. 
[Vol. X, No. 2, 
spreading flowers with slender pedicels; lip broad, 2-lobed at 
the apex, with a small tooth in the sinus. A slender plant 
with raceme of delicate flowers growing in woods and 
thickets. Fairfield County. 
Leptorchis Thouars. 
Low herbs with solid bulbs, the base of the stem sheathed by 
several scales and 2 broad, shining leaves, flowers in a terminal 
raceme ; lip nearly flat, often bearing 2 tubercles above the base. 
1. Lip brownish-purple, §- Yi in. long; raceme loose-flowered, 1-2 in. 
wide L. liliifolia 
1. Lip yellowish-green, \ - v /± in. long: raceme compact, about % in- wide. 
. . L. loeselii 
1. Leptorchis liliifolia (L.) Ktz. Large Twayblade. Stem a 
scape, striate, 4-10 in. high; leaves 2-4% in. long, oval or 
ovate, keeled below; numerous showy flowers, in a raceme 
sometimes 6 in. long; lip conspicuous, erect, 5-6 lines long, 
wedge-obovate. A delicate showy plant, growing in moist 
woods and thickets. Portage, Franklin, Fairfield and 
Clarke Counties. 
2. Leptorchis loeselii (L.) MacM. Fen Twayblade. Scape 2-8 in. 
high, strongly ribbed; leaves elliptic or elliptic-lanceolate, 
2-6 in. long; flowers few, greenish, smaller than the preced- 
ing, in a raceme; lip obovate, pointed, its tip incurved. A 
tall plant, with greenish inconspicuous flowers, in wet 
thickets and on springy banks. Champaign, Cuyahoga, 
Summit, and Stark Counties. 
Tipularia Nutt. 
Slender scapose herbs with solid bulbs, several generations 
connected by offsets; the flowers in a long, loose, terminal 
raceme; leaf solitary, basal, unfolding long after the flowering 
season, usually after the scape has perished; scape with several 
thin sheathing scales at the base; flowers green, nodding, bract- 
less ; lip 3-lobed with a long slender spur. 
1. Tipularia unifolia (Muhl.) B. S. P. Crane-fly Orchis. Scape 
glabrous 16-20 in. high, from a hard, often irregular corm; 
leaf arising in Autumn from a fresh lateral corm, ovate, 
2-2% in. long, dark green; raceme 5-9 in. long, very loose, 
flowers green tinged with purple ; lip mostly shorter than 
the -petals, the middle lobes narrow, prolonged, dilated at 
the apex, the lateral lobes short, triangular; spur often 
twice as long as the flower. A tall slender plant with a 
loose raceme of nodding flowers, growing in woods. Lorain, 
and Cuyahoga Counties (Oberlin College.) 
Aplectrum Nutt. 
Scapose herbs from a corm, produced from the one of the 
previous season by an offset and sometimes with coralloid fibres, 
the scape clothed with several sheathing scales; leaf solitary, 
