Mastigobryum . ] 
V. HEPATICiE. 
525 
§ 2. Stipules connate on loth sides with the leaves alove them. 
7. M. novee-HollandicC, Nees ; — FI. N. Z. ii. 148. Stems 2-3 
in. long, procumbent, dichotomous; branches equal, often recurved. Leaves 
imbricate, divergent, flat or convex, ovate-oblong, subfalcate, unequally ser- 
rulate, erose or dentate at the apex ; involucral appressed, inciso-serrate. 
Stipules close-set, orbicular-quadrate, dentate or multifid, usually connate 
with the leaves above them. Perianth cylindric-ovate, narrowed upwards 
and plaited ; mouth dentate. — Syn. Hep. 221. M. adnexum, Lehm. and 
Lindb. ; Mont. Yoy. au Pole Sud, 243. 
Common throughout the Northern and Middle Islands, and in Lord Auckland’s 
group. — A common and very variable plant in the Southern Hemisphere. 
8. M. novee-Zelandiae, Mitten in FI. N. Z. ii. 148. t. 100. /. 6. 
Large ; stems 2-3 in. long, procumbent, dichotomous, with long stout 
radicles below. Leaves olive-brown or -green, subopposite, distichous, 
spreading and deflexed, imbricate, obliquely ovate, 3-dentate ; dorsal margin 
arched, ventral sinuate ; stipules quadrate, spreading, crenulate, united to the 
leaves above them. 
Northern and Middle Islands : forests of Tehawera and Tararua, Colenso ; Auckland, 
Sinclair ; Canterbury, Haast. — A noble species. 
9. M. involutum, lindb. ; — FI. N. Z. ii. 148. Large; stems 2-3 in. 
long, forked ; branches dense. Leaves densely imbricate, diverging and de- 
flexed, obliquely oblong, concave; apex 3-dentate, incurved or involute. 
Stipules suborbicular, repand ; apex crenate, reflexed, connate with the leaves 
above them. — Syn. Hep. 221 ; Montagne in Yoy. au Pole Sud, t. 18. f. 2. 
Herpetium, Montagne, Cent. iv. n. 30. 
Middle Island: Milford Sound, Lyall ; Otago, Hector and Buchanan. Lord 
Auckland’s group, Hombron, J. D. H. (Tasmania.) 
10. M. affine. Mitten in FI. N. Z. ii. 147. t. 100./. 4. Stem 1 in. 
long, dichotomously branched, creeping, sending down long rootlets. Leaves 
dirty green, imbricate, spreading, flat, obliquely ovate, obliquely truncate, 3- 
crenate or -toothed ; dorsal margin arched, ventral straight. Stipules trans- 
versely oblong, toothed and spinescent, connate with the leaves above. 
Northern Island: forests of Tararua and Tehawera, Colenso. 
11. M. decrescens, Lehm. and Lindb. Stem 1 in. long, creeping, 
branched, narrowed at the apex. Leaves imbricate, |-ovate ; dorsal margin 
subundulate, ventral margin decurrent, connate with the stipule ; apex trun- 
cate, 3-toothed ; teeth crenulate. Stipule reniform, spreading, quite entire. 
Perianth cylindric-ovate ; apex narrow, plaited ; mouth toothed. — Syn. Hep. 
219; Mont. Yoy. au Pole Sud, 243. t. 19. f. 4 ( Herpetium ). 
Lord Auckland’s group, Hombron. — I have seen no New Zealand specimens of this, 
the description of which is taken from the ‘ Synopsis Hepaticarum.’ (Mauritius.) 
15. MICROPTERYGIUM, Lindenberg. 
Stems creeping, with ascending flat branches, incurved or involute apices, 
and flagelli from the under surface. Leaves incubous, imbricate, complicate, 
