282 BRYOLOGY OF NEW ZEALAND. 
(1885), fide Brotherus. H. amoena Col. op. cit., p. 230. 
Distichophyllum crenulatum C.M. in Hedwig. xii, 121 
(1902). 
Distinct in the small size, the leaves much crisped when dry, wide 
and short, distinctly denticulate above, stoutly apiculate. The cells 
are small (not large, as stated in the Handbook N.Z. Fl. ). The seta 
is short, less than Iem., and often much shorter, and smooth; the 
capsule ‘small, 3 ealyptra neiy at apex. The leaves are much less 
complanate in this species than i 
I have sat been able to see is Hie set of Hookeria amoena Col., 
but from the description it is certainly this species, as is also H. 
crenulata C.M., of which I have examined the type. 
It isa frequent species. 
2. Distichophyllum crispulum (H. f. & W.) Mitt. in Trans. & Proce. 
Roy. Soe. Vict., xix, 77 (1883). 
Syn. Hookeria crispula H. f. & W. in 2 Journ. of Bot., 
550 (1844); Fl. N.Z. ii, 122; Handb. N.Z. FL, p. 493. : 
flexuosa Mitt. in Hook. f. Handb. N.Z. FL, p. 494 H. sub- 
sinuata Col. in Trans. N.Z. Inst., xviii, 231 P1885). 
One of ime smallest species, and in habit resembling the last, but 
with the branches more flattened, the leaves not or scarcely denticu- 
late, narrowed to a rather long, acute, often recurved point. The 
calyptra is only slightly Uneaten at apex. The leaf border is rather 
stouter than in most of the species, especially in proportion to the 
size of the leaf. Otherwise it = much like D. rotundifoliu 
o specimens of Hookeria flexuosa are to 1 found at Kew or the 
British Museum. As Mitten deseribes it from two stems only, and 
as intermediate between H. crispula and H. adnata (which themselves 
are probably conspecific), and as the only differentiating character 
nfentioned in the desercplacn is the fruit-stalk ‘‘subseabrid at ape 
I think it may be safely merged in the ine species. A. subsin- 
uata Col. is from the description quite clearly the same thing. 
var. adnatum (H. f. & W.) Dixon comb. nov. 
Syn. Hookeria adnata H. f. & W., Fl. N.Z. xviii, 123 haecd ; 
After careful etinituation of numerous specimens I have so 
the inclindon that this cannot be accorded a higher rank than 
of D. crispulum. It is quite possible that it is simply an siiiplayiletis 
orm, D, crispulum being terrestrial, or on rotten wood. The only 
structural differences consist in the border, which is very narrow (as 
in D. amblyophyllum and D. pulchellum a and in a slight difference 
in the cell structure, which however is not constant or clearly marked. 
ro the var. adnatum the cells are very regularly hexagonal through- 
out the upper part of the leaf; in the type they are frequently some- 
what rhomboid, or hexagonal-rhomboid, and arranged in more or less 
