Vermischte neue Diagnosen. 399 
of the leaves are obtuse and sharply serrate, the lobes of the involucres 
are lacerate, the seeds are quite dark, rather ovate and blunt on the 
angles, and the stems and leaves have a more or less red coloration. 
C. glyptosperma (Engelm.) Small, is erect spreading, has linear-oblong, 
usually falcate and toward the apex slightly serrulate leaves, and qua- 
drangular seeds with 5 or 6 sharp transverse wrinkles and no pitting 
between these. 
668. Chamaesyce aequata var. claudicans J. Lunell, l. c., p. 205. — 
Ascending, freely branching; the branches are drooping, more or less. 
It grows on level ground, roadsides, etc. There is something in the 
way, as for example one or two stems of grass or other plants, a dead 
leaf, etc., preventing it from spreading over the ground and on account 
of its aversion to ,crookedness“, it is forced to grow in a direction 
diametrically contrary to its native impulse. But it drops its branches 
longingly toward the ground which they can never reach. This variety, 
having to accept conditions that are opposed to its natural tendencies, 
becomes more or less checked in its growth thereby, but it is no such 
restraint to the type which attains a size widely surpassing it. — North 
Dakota. 
669. Chamaesyce erecta J. Lunell, l c. p. 206. — Planta annua, 
viridescens, glabra, erecta, 1—2 dm alta, furcata, ramos bifurcatione pro- 
ductos etiam aetate breves et plerumque simplices praebens nec raro 
duos prope aequales ramos e basi emittens, Caules teretes, virides, vel 
rubescentes. Folia breviter petiolata, !/—1!/, cm longa, spatulata vel 
obovata, basi obliqua, serrulata de dimidia parte superiore marginis bre- 
vioris usque per totam marginem longiorem viridescentia, vel rubes- 
centia, numquam medio rubro-maculata, apice obtusa et rotunda. Semina 
angulis eminentibus ornata, vel tuberculata vel rugosa, inter tubercula 
vel rugas haud vel leviter foveolata. — It differs from the other erect 
species of this group, C. neomexicana (Greene) and C. consauguinea 
(Engelm.), chiefly by the extended indentation of its leaves, and by 
other characters mentioned above. — The type locality for these spurges 
is Leeds, North Dakota, where the first named species is common 
and the other is sparingly found during the months of July and August. 
The extension of their territories is unknown to me. 
670. Ranunculus eremogenes Greene var. longissimus J. Lunell, l. c., 
p. 206. — Rooting from the nodes with long slender fibres. Stem 8 dm. 
long; to this length has to be added that lowest unmeasured part of 
the plant which I was unable to secure from the bottom of the creek 
Where it was growing. The lower leaves very long-petioled (1,5— 
4,5 dm.). Collected on June 27, 1907, in running water at Leeds, North 
Dakota. . 
671. Senecio Purshianus Nutt. var. viridescens J. Lunell, |. c., p. 207. — 
This plant differs from the main form in not being constantly white- 
tomentose, as it becomes gradually greener the more it approaches the 
time of maturity; in addition, its texture is very soft and herbaceous. 
