II(/)(i//c(i' <)/' Xoii/i AiHcriai. 77 



*-). M. Bolanderi Aust, Stems shorti tiiinid; suhtlexii- 

 ous, sli<>:litlv twisti'd luiiirly simple; leaves densely im])rii-ate. 

 dimidiiitv-ovate or ()l)l()iig, widely spreading, nearly plane, the 

 margin rei)and or in places caudato-dentate: the lobe almost 

 separate, small, lanceolate-subulate, falcate, twisted, canalicu- 

 late, obtuse or acute, repand-undulate at the margin, sparingly 

 caudate at the base: am])higastria scarcely wider than the stem, 

 lingulate-ovate or oblong, obtuse or acute, the margins long 

 decurrent, repand-undulate, caudate-lacinulate; inner involucre 

 large, sharply 2-keeled or somewhat winged beneath, indis- 

 tinctly nerved above; lower lobe of the involucral leaves acute, 

 acuminate; capsule oval. 



Hab.—Ga\. (Bolander). 

 Bib.— Torvev Bull. Ill, 14. 



XT. RADULA Nees. 



Sporogonium terminal on short branches or iu a fork. 

 Inner involucre compressed or nearly terete, truncate, entire, 

 the mouth dilated. Involucral leaves 2, deeply bilobed. Calyp- 

 tra pyriform, persistent, opening below the apex. Capsule oval. 

 4-parted to the base. Elaters attenuate at both ends, bispiral, 

 deciduous. Spores large, globose. Antheridia in the ventricose 

 bases of minute perigonial leaves. Leaves 2-lobed, the small 

 inflexed ventral ])roducing rootlets. Amphigastria wanting. 

 Name from Lat. n(<lnUi, a scraper or spatula, from the form of 

 the inner involucre. 



* L<'(tres r<i flier close/ 1/ iinliric(ii<- or soineirlint rciiiolc in Xo. I. 

 f Sfriiis dicliotonioiisl ij hrdiicli/iKJ. 



1. R. tenax Lindb. Dioecious; stems brownish-green, 

 rigid, tenacious; leaves remote, scarcely decurrent,' obliquely 

 elliptic-ovate, opacpie, the cells rounded and strongly chloro- 

 phylliferous, the posterior lobe rotund-ovate, scarcely half the 

 breadth of the stem, the interior margin free, rotund, equal 

 to the width of the stem or niore, the apex plane or scarcely 

 incurved; male spike borne on the side of the stem below the 



