ll< imlini' Iff S<„lli Aim rini. \\) 



elevuted. ( Taniioitia ofhicHldris Scliwciii., Car/xjho/Hs (irhicii- 

 laris Scliwt'iii.. < '((rpolipiun orhiculare Nees.^ Attthoccros orhicii- 

 hiris Aust. Includes N. ralv((t<( Sulliv.) 



Nab.— Can. to Gulf of Mexico. 



Hih.—fiyn. Hop. p. 591, 792; Mem. Amer. Acad. n. scr. JIJ, p. (io; 

 Torrey Bull" VI, 27. 



Delin.— Mem. Amor. Acad. n. ser. Ill, t. IV; Sulliv. Mosbo.s of U. S. 

 t. VI. 



Exsic—Mnac Alleghau. No. 289; Hop. Bor.-Amor. No. 124. 



2. N. melanospora riuUiv. Tluillus sniidl, depressed or 

 soiiietiines ea>spitose, the texture lax; capsule much as in No. 

 1; spores dark fuscous, smooth, hirger by half than those of 

 No. 1. {AntJioreros iitclaiiosporiis Aust.) 



Hub. — Moist ground, 0. {Sulliv). 



/j(7>.— Mom. Amor. Acad. n. ser. HI, p. 65; Torroy Bull. VI, 29. 



I'lvsk: — Muse Alloghan. No. 290; Hop. Bor.-Amor. No. 125. 



Order IV. JUNGERMANIACE.^ Dlmoet. 



Terrestrial or rarel}^ somewhat aquatic, chiefly perennial 

 plants with either thallose or foliaceous vegetation. Capsule 

 borne on an elongate, cellular pedicel, dividing lengthwise into 

 four valves or quadridentate. Elaters present, uni-quadrispiral. 

 Thallus with or without a midrib. (Genera I — VI.) Leaves 

 when distinct, 2-ranked, often with a third row of smaller ones 

 ((n>ij)lii(/asfri(i) on the under side, incubous (Genera VII — XI, 

 XIII— XVIII) or succubous (Genera XII, XIX— XXXII). 



The following artificial synopsis, tho imperfect, may assist 

 in detennining species: 



ARTIFICIAL SYNOPSIS OF GENERA.* 



Vegetation thallose B 



Vegetation pseudo-foliaceous; the lobes of the thallus 



leaf-like, succubous; inner involucre large, cani- 



panulate, with a large, more or less lobed and un- 



j dulate mouth. VI. Fossombroxia. 



i Vegetation foliaceous V 



k-r :il.«. Aj.] ondix (' fur i-uothor synoptic J:i!)lo, 

 -! 



