﻿418 .Evans: Hepaticae of Southern Patagonia 



the latter species the Patagonian plant bears a marked resemblance. 

 The principal points of difference have already been indicated by 

 Gottsche. In J. F/oerkii, the leaves do not broaden out so abruptly 

 from the base as in /. Hatched, their lateral margins are more 

 nearly parallel and their more robust basal cilia are often 2 or 3 

 cells wide in the lower part ; the underleaves are much larger and 

 their segments are often 8-10 cells broad at the base instead of 

 only 3 or 4 cells ; in /. Hatchcri, moreover, the segments end in a 

 single row of 10-20 cells, whereas in J. Flocrkii, there are usually 

 less than 10 cells. The occasional cuspidate leaf-lobes of /. 

 Hatcheri remind one of the similar structures found in /. lycopo- 

 dioidcs, but this latter species is much more robust, and has longer 

 and more tortuous basal cilia and lamer underleaves with broader 

 and more densely ciliated segments. 



20. Jungermannia propagulifera Gottsche Die Lebermoose Siid 



pi. t. / 6-12. 1 890. [Plate 



1 



Paroicous : plants caespitose, mixed with the preceding species, 

 yellowish-brown or reddish ; stems creeping or ascending, branch- 

 ing by innovations, radiculose : leaves imbricated, ovate-quadrate, 

 obliquely spreading, not decurrent, concave, bifid about one third 

 with subacute sinus and lobes, the antical lobe slightly smaller, 

 otherwise entire (or erose-denticulate from the presence of gemmae); 

 underleaves wanting ; leaf-cells polygonal in outline, thin-walled and 

 without trigones ; 9 inflorescence terminal ; bracts in I or 2 pairs, 

 mostly erect-spreading, similar to the stem-leaves but more cns- 

 pate, sometimes trifid and with sparingly and irregularly toothed 

 lobes and margins; bracteole connate on one or both sides, with 

 bracts ovate, bilobed or not segmented, toothed or entire ; perianth 

 ovate-cylindrical, composed of a single layer of cells, slightly nar- 

 rowed and plicate in the upper part, minutely denticulate at the 

 mouth : $ bracts in 2-4 pairs, situated just below the 9 bracts. 

 complicate -bilobed, but similar to the stem-leaves when spread 

 out, scarcely inflated at the base and enclosing 1 or 2 antheridia . 

 gemmae borne on the leaves near the apices of the lobes, yellow'ish- 

 brown, oblong, composed of 1 or 2 cells : capsule spherical, purple 

 borne on a long hyaline stalk ; spores yellowish-brown, mmutei} 

 tuberculate ; elaters reddish, bispiral. 



Stems .5-1 cm. long, 0.22 mm. in diameter; leaves 0.95 ^ 

 long and wide; leaf-cells 28 t a in diameter at base, 22 u in otnt 

 parts of the leaf; bracts 1. 2-1.3 5 mm. long, 0.85-1.2 mm. W*» » 

 bracteole 1.0-1.1 mm. long, 0.5 mm. wide, perianth 2.9 mm. i° n S' 



