On Planis of the North-West. 67 
narrow, smooth, slightly scabrous on the margin. Raceme 
about six-flowered, flowers approximated, on short pedun- 
cles, calyx containing twenty florets, subcylindric, squamose 
below ; scales ovate mucronate, a little ciliate, interior ones 
foliaceous. Segments of the corolla linear, villose within. 
West shore of Lake Michigan, August 27th. Allied to L. 
gramimifolia. 
scariosa Willd. Stem simple, three feet high, 
Serratula scariosa L. ‘ nearly smooth. Leaves lance- 
olate, very smooth, and the upper surface a little shining. 
Flowers ia a long dense spike, very numerous, (40 to 70,) 
on short peduncles : calyx twenty-twenty-three flowered ; 
scales spatulate, obtuse, membranous and coloured: pappus 
a little longer than the villous seed ; corolla deeply cleft, 
smooth, with diaphanous punctures. West shore of Lake 
Michigan, August 27th. 
Erigeron bellidifolium Muhl.—-Willd. 
pulchellum Mx. 
; Near Detroit. 
GYNANDRIA. 
oa ue East shore of Lake Michigan. 
Calopogon pulchellus R. Brown. ) Portage of Pt. Kee- 
Cymbidium pulchellum Swarrz. weenah, Lake Supe- 
Limodorum tuberosum L. Mx. rior, June 26th. 
Cypripedium spectabile Swartz. Point Keeweenah, 
album Arr. ra Superior, June 
canadense Mx. 26th. 
— pubescens Willd. (Mockasin flower.) Presque 
Isle, June 5th. 
calceolus Mx. 
calceolus B. Li. 
MONOECLIA. 
HEXAGYNIA. 
Zizania palustris Lin. Mautiss.295. Sp. pl.1408. Willd. 
sp. pl. 4. p. 395. Muhl. Gram. p. 271. Schreb. Gram. t. 
29. Z. aquatica Lames. in Lintrans 7. p.264. Pursu. 1. 
p- 60. 2. p. 210. Grow. virg. 148. Z. clavulosa Mx. 1. 
