120 THE JOURNAL OF BOTANY 
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© 
§ vu. Sphagna subsecunda Schimp. Spp. 25-35. 
. Branches of the completely eae se ora 3-5 in a fascicle; 
br. 1. always with pores 
. Branches single or wanting ihe: ait st leaves entirely 
without pores . . ‘ . S. Pylaiei Brid. 
. Stem cortex always two or more fagerel” 18 
. Stem cortex always one- ee — on one ee of a 
circumference two-layered 
. St. 1. small, neuer lingalate, only ‘Gbrilloea near the 
apex of the le af; br. 1. small to medium size, lanceolate, 
with narrow truncate dongatot apex, secund, when dry 
with a men laste habit of S. scree 
contortum Limpr. (=S. laricinum Spruce). 
. BE large, Hingulaes generally ib numerous fibrils to 
the base; br. |. large, roundish-ovate, with — trun- 
cate, not elongated, small- pope Sse not secund bu 
loosely imbric . S. plat anaes Warnst. 
. Br. 1. on the baler sitive ok numerous pores, which are 
almost always in rows on the commissures like strings 
of pearls, on the inner rastaae almost without = or 
with very few 
. Br. 1. with numerous Posed on Sak sides, hicks are alee 
on the outer side in rows and on the inner ae in almost 
every cell-angle, or are in rows on both si 
. Br. 1. on a inner side ee numerous pores whisk are 
often arranged in rows, on the outer side t with 
pse ace only iol are mixed with scattered small 
true pores 
. Br. 1. on both sides sii very ie ce or ‘almdlad Bitirely 
without; in the latter case with the hyaline cells more or 
less replaced by chlorophyllose cells of similar form ; st. |. 
ron lingulate, nga? fibrillose to on base, and with 
pores as in the br. : . xxxiv. S. obesum Wisinat 
“a very small, less than 1 mm. long, iianguae -lingu 
on almost always no u-fibrillose, rarely with rudin mentary 
fibrils towards the epee hyaline a undivided, on the 
inner surface in the upper third of the leaf with somewhat 
large ao ee or weakly ringed pores, on the —— 
surface with smgle or numerous 8 scaagn hs ringed por 
the cell-angles sf, sae. Desa, 
. St. 1. larger, 1 mm. or more bn ng, oi ae ate, always with 
fibrils in the upper half, rarely fibrillose low wer; hyaline 
cells generally divided, on the inner surface with numer- 
or more numerous ringed pores in the c¢ell- BAERS Plant 
somewhat more robust than S. sec 
viii. S. Wihdniin Warnst. 
