DICRANACEARE. 1l 
KEY TO THE SPECIES. 
Cells : Cees minute, se incrassate, frequently isodiametric, 
Ly in diam 2 
Colts of. of eR Sale or, if ice, larger, angular, and not much incrassate 3 
Leaves longly setaceous and flexuose, sharply serrate above ; nerve aries 
2! Menziesii. 
coe in bene Bem art not flexuose, entire or se sag oa rh “point 
( e broad but very thin below . diaphanoneuron. 
Jota cells of subula short and akon different from the elongate, 
marginal cells of ‘ie sharply spinulose border ; leaves with 7 Fae 
mg ne n either side of the nerve below . dicar ota 
Juxtacostal cells of subula scarcely iduietee than marginal cells. : | 
Cells of subula markedly short, 3 x 1 or often less, oval, or oblong with rounded 
4, a 
= of peabile rarely less than 4 xi dy usually longer, linear es : 6 
Lea — vgebeapae ae closely serrulate towards apex; nerve cua! and 
5. { y spinulose t back cylindropyzxis. 
Subala sare concave, sharply and strongly serrate, nerve at back “gee ntly 
( 4. plat 
° 
Nerve in lamina broad or pean ae so, at least 60 4 in widest me copied 
a much more, often ill baie 7 
Nerve in lamina very na a0 pO or less, often much less 13 
Nerve moderately wide, bout 60 4, strong and well defined, es 
: subula, all upper part in 2 rows s eeney. percon fens at imok tells 
2. plurisetu: 
elongate and porose to apex m. 
7. ive Leaves 0-75 mm. wide or less aust, Zs sg ss ae © 8 
Leaves 1 mm. or more wide belo ps ‘gs a ve is 9 
8. {ann tely robust, iN eggs close .. ie a -. 10. pungens. 
Sienddes: yellowish, lea : ce 9. leucolomoides. 
oming wider above and very ill defined in subula . setosum 
9. {Serve sho get a oan crongint. or narrower above, ae a! well “adie in 
10. s about 1 cm. long, often less : ra <a 1. hee 
fetes plants, leaves 1- sie cm. long i Be ee ll 
1, { Leaves without a distinct pale wry below* .. Ne .. 5. robustum. 
11. center dinthusly bypiae-borta iS 
Cells of subula very incrassate, margins “finely and 4 amiy< dentcuat 
8. chrysodrepaneum. 
2.) Upper cells slightly wider, with thin walls, subula more Cacaed serrate, 
nerve weakened towards base ge e. 
Nerve in lamina thick and opaque Diabtacls. ron) -- 10. pungens. 
13. {Nerve faint, translucent, often indistinct below (Leptoneuron) meucqan «| 
14. ae ee an nef co sap oras F 
epihges more or less sharply toothed ae =e i ss ae 
Leaves very dense, 0-75-1 cm. long, subula fine . integerrimum 
15. (eaves rather lax, less than 0-75 em. long, subula rather wide me Pung entella. 
ee oye a broad, very distinct hyaline border; perichaetial bracts reach- 
eae often overtopping the capsule ; cells thin-walled 14. fasciatum. 
ie | Leaves wi with > vety narrow or indistinct border ; seta much —— than peri- 
um ; cells more or less incrassate . Billardieri. 
. ed the above was in type I have received further material ripe eat — has 
presen absence of a border is not always a safe guide in the case of D. robust 
Fachoe rendering it very doubtful if D. chrysodrepaneum is ere oat seueabae te on "that 
species 
