the other a probable Ptychocarpus. Detached sporangia 
are very numerous in all of the coal balls. Petioles are 
abundant and the following forms are well represented: 
three (possibly only two) species of Botryopteris, at least 
two species of Etapteris, one Anachoropteris , one Anky- 
ropteris , an actinostelic fern which is apparently new, 
and several complex Zygopteridaceae. Fine specimens of 
a polystichous Psaronius are moderately abundant. One 
species of Botryopteris is known from the fructification 
as well as the petiole. This remarkable form, represented 
in the collections by three specimens, has a great globose 
cluster of sporangia borne terminally upon the frond. 
Sphenopsida 
Sphenophyllum, stems and strobili (the Sphenophyllum 
Dawsoni type) are found occasionally. The Calamitales 
are represented in the collections by only a few specimens 
of the Arthropitys communis type, a beautiful Macro- 
stachya , and two specimens of a small homosporous 
Calamostachys. These two forms of strobili contain well- 
preserved spores. 
Lycopsida 
The Lycopsida seem to have been very rare. Only 
two specimens of a siphonostelic Lepidodendron with a 
mixed pith of the Lepidodendron selaginoides type have 
been found. In addition, however, there are occasional 
seed-like structures referable to Mazocarpon and Lepido- 
carpon, a megasporophyll bearing sixteen large mega¬ 
spores (cf. Lepidophyllum missouriense White), and a 
single needle-like leaf of Sigillaria. 
It is apparent then, that the Lycopsida and Sphen¬ 
opsida play a very minor role in this flora. That they are 
meagerly represented is evidenced both by the fewness 
of the species, and, more convincingly, by the scarcity of 
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