6 AMERICAN MIDLAND NATURALIST 



denticulata vel aliquot Integra. Folia caulina superiora linearia, 

 integra. Capitula 3-4 cm. diametro (radiis albis, latis inclusis). 



Stems 1-2, simple, 2 to 4-headed, 35-40 cm. high, with a thick, 

 almost appressed pubescence of unequal hairs. Radical leaves 

 spatulate, lower cauline lanceolate or narrowly lanceolate, all 

 acute, with petioles as long as the laminae, and denticulate, or 

 some of them entire. Upper stem leaves linear, entire. Heads 

 3-4 cm. in diameter, including the white, broad rays. 



Collected on a roadside, in subsoil clay from a ditch, by the 

 writer on June 19, 191 2, in the prairie not far from Butte, Benson 

 County. 



15. Erigeron anodontus sp. nov. 



Caulis solitarius, simplex, 3-capitatus, 45 cm. altus, restricte 

 pubescens. Folia radicalia anguste lanceolata vel oblanceolata, 

 10-20 cm. longa (petiolo longitudinis partes circiter duas e tribus 

 occupante incluso). Folia caulina inferiora anguste oblanceolata, 

 sessilia, 10-15 cm. longa, superiora linearia, 4-7 cm. longa. Folia 

 omnia acuminata, integra. Capitula 3 cm. diametro (radiis latis 

 albis inclusis). 



Stem single, simple, 3-headed, 45 cm. high, sparingly pu- 

 bescent. Radical leaves narrowly lanceolate or oblanceolate, 

 10-20 cm. long, including the petiole, which occupies about X 

 of the entire length. Lower stem leaves narrowly oblanceolate, 

 sessile, 10-15 cni- long. Upper stem leaves linear, 4-7 cm. long. 

 All the leaves acuminate, entire. Heads 3 cm. in diameter, including 

 the broad, white rays. 



Collected by the writer in dry pasture land at Butte, Benson 

 County, on June 23, 1907. 



Leeds, North Dakota. 



Adicea. 



BY J. LUNHLL. 



The genus Adicea belonging chiefly to the tro])ics, represented 

 there by about 150 species, and being most abundant in tropical 

 America, has 4 species in Florida, but only one of these, A. pumila 

 (L.) Raf., has a territory extended beyond the northern boundary 



