The American Midland Naturalist 
PUBLISHED BI-MONTHLY BY THE UNIVERSITY 
OF NOTRE DAME, NOTRE DAME, INDIANA. 
MOL. 11. MARCH, 1912. NO. 8.* 
SOME NEW LACINIARIAE. 
BY J. LUNELL. 
Laciniaria Deamii sp. nov. 
Caulis 7 dm. altus, simplex, strictus, gracilis. Folia caulina 
series inferioris 1-1.5 dm. longa (vel longiora), dispersa, lanceolata, 
in petiolum quam limbum bis breviorem angustata, series superi- 
oris reducta, linearia vel lineari-lanceolata, in caule medio conferta, 
superne nonnihil remota. . Inflorescentia racemus spicae sub- 
similis, 2 dm. longa, haud conferta, capitula circiter 20 pedicellis 
0.5 cm. longis ornata. Involucra cylindraceo-campanulata, 10 
mm. alta, 5 mm. lata. Bracteae externae herbaceae, aliquantulum 
acuminatae, deflexae, mediae late spatulatae vel rhombico-ovatae, 
obtusae, marginibus purpureis, integris, partim scariosis, internae 
oblongae, angustae, obtusae, marginibus purpuraceis, scariosis, 
integris vel nonnihil erosis. Totum capitulum 15 mm. altum. 
Setae pappi barbellulatae. 
Stems 7 dm. high, simple, strict and slender. Stem leaves of 
the lower series 1-1.5 dm. long or longer, scattered, lanceolate, 
narrowed into a petiole accupying % of its length; those of the 
upper series reduced, linear to linear-lanceolate, crowded on the 
middle of the stem, somewhat distant higher up. Inflorescence a 
raceme 2 dm. long, spike-like, not crowded, with about 20 heads 
on pedicels 0.5 cm. long. Involucres cylindric-campanulate, 10 
mm. high, 5 mm. wide. Outer bracts herbaceous, somewhat 
acuminate, spreading, the middle broadly spatulate or rhombic- 
ovate, obtuse, with purplish, entire, somewhat scarious margins, 
the inner oblong, narrow, obtuse, with purplish, scarious, entire 
* March 18, 1912.—Pages 169 to 200. 
