344 AMI'KICAN' MIDLAND NATURALIST 



Laciniaria scariosa uniflora \ ar. nov. 



Apex caiilis calathiiim solitariiim jfcreiis. Planta 1-2 dm. 

 alta. 



vStcra I 2 dm. liigh, with one siugle calathium. Leaves often 

 arranged as in var. supereminens, or var. basilaris (vide Vol. II. 

 p. 92 of this journal). 



Collected by the writer on August 2^, 1914, iit Leeds, Benson 

 County, where it is met occasionally on level plains. 



Aster Kumleinii oliganthemos var. no\-. 



Planta decimetralis, plerumque uniflora, parva. 



Plant 1 dm. high, usually carrying only one flower, this small, 

 like the whole plant, which is one or few stemmed, few-branched 

 or simple. 



Collected by the writer on liigh hills bordering James River, 

 at Jamestown, vStutsman County, August 24, 1913. 



Erigeron tardus sp. nov. 



Caules solitarii usque plares, 3-4.5 dm. alti, 3-iisque 6-capitati, 

 pubescentia brevi appressa vestiti, usque inflorescentiam stricti, 

 dein aequc atque vS curvati. Folia demum glabrata, denticulata, 

 caulina superiora linearia, inferiora angustc lanceolata, radicalia 

 late lanceolata, in petiolos longos alatos sensim reducta, 10-15 

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



Stems I or more, 3-4.5 dm. high, with 3 to 6 heads, having 

 a short appressed pubescence, straight up to the inflorescence 

 then bent like an S. Leaves at length glabrate, denticulate, on 

 the upper part of the stem linear, on the lower part of the stem 

 narrowly lanceolate; basal leaves broadly lanceolate, gradually 

 narrowed into long, winged petioles, 10-15 cm. long. Heads 3-4 

 cm. in diameter (including the broad, white rays). 



Distinguished from E. procerus and E. anodonUts by its broad, 

 acuminate, glabrate leaves and its appearance during the latest 

 part of July, which is a long time since these allies have passed 

 flowering. 



Collected by the writer on a sunny roadside in York Township 

 of Benson County, northwest of Leeds, July 26, 191 3. 



This group of daisies seems to be, under favorable conditions, 



