PLANTS FROM NORTH DAKOTA 345 



capable of a prodigious development. I have of E. procerus one 

 plant, bearing nine stems and thirty flowering heads! 



Chenopod vm virgatum sp. nov. 



Caul's 9-1 1 dm. altus, erectus, virgatus, ramis brevibus, 

 g acilibus, fastigiatis 4-20 cm. longis, de basi sursum florentibus 

 vestitus, pulverulentus, striato-angulatus. Folia flavido-viridia, 

 rhombico ovata, tenuiora sed firma, dentibus men ura variabi'ibus 

 angulato-dentata, hastata, superne glabrata, subtus pulverulenta, 

 gracilius petiolata, prope basim distincte 3-nervata. Flores in 

 racemos vel spicas longas densasque, in paniculum amplum con- 

 fertum collocates dispositi. Perianthus pulverulentus flavido- 

 fuscus (maturus saltern), lobis e us leviter cristatis, scarioso- 

 marginatis, diffusis, dimidium tantum utriculum operient bus. 

 Perlcarpus opacus, leviter pulverulentus. Semen atrum, nitens, 

 1. 25-1. 5 mm. diametro, pericarpo firmissime adherens. 



Stem 9-1 1 dm. high, erect, virgate, with short, slender, fas- 

 tigiate branches, flowering from the base upwards, 4-20 cm. long; 

 pulverulent, striate-angled. Leaves yellowish-green, 'hombic- 

 ovate, rather thin but firm, angulate-toothed, with the teeth of 

 variable size, hastate or nearly so, glabrate above, pu'veru'ent 

 beneath, on slender petioles, distinctly 3-nerved at the base. 

 Flowers in long and dense cluster or spikes, arranged in a large 

 and close panicle. Perianth pulverulent, yellowish-brown (at 

 least when mature), its lobes lightly crested, scarious margined, 

 spread ng, long enough to cover only the half of the utricle. Peri- 

 carp dusky, pulverulent. Seed black, shining, i. 25-1. 5 mm. in 

 diameter, very firmly adherent to the pericarp. 



Collected by the wr ter on August 23, 1913 at Bismarck, 

 Burleigh County, on the banks of the Missouri. 



Chenopodium virgatum var. junceum var nov. 



Graciliores etiam rami; flores in spicis angustioribus, nonnihil 

 inter uptis; folia Integra, lanceato-linear a. 



Still more slender branched, with narrower, somewhat inter- 

 rupted flower-clusters; leaves entire, lance-linea. 



Col ected by the writer on the same date and place as the 

 type, though they were not intermingled. 



Leeds, North Dakota. 



