r 
Kirx.—Recent Additions to the Flora of New Zealand. xlv 
pentangularum, Col. 
This species has been confused with N. decompositum, Br., and N. 
velutinum, Hook. i 
Not uncommon. 
: IsorrEX. 
Isoetes kirkii, A. Braun, Auszug aus dem Monatsbericht Königlichen 
Academie der Wissenschaften zu Berlin, Juli, 1869; Kirk, Trans. 
N.Z. Inst., IL., p. 107, pl. VII. 
Resembling weak specimens of the European I. lacustris, but more 
closely-allied to the Australian J. müelleri (A. Braun.) 
North Island—Whangape, Waikare, and Waihi Lakes, Lower Waikato ; 
Rotokakahi, Taupo. 
Isoetes alpinus, Kirk ; Trans. N.Z. Inst., VIL., p. 877, pl. XXV. 
At once distinguished from I. kirkii by its large size, fout habit, deeper 
colour, and larger macrospores. 
South Island — Roto Iti, Rotorua, and Lake Guyon, Nelson; Lake 
Lyndon, Lake Pearson, Lake Grassmere, and Lake Windermere, Canter- 
bury, 2,000-3,000 feet. 
MansILEACEX. 
Pilularia novee-zelandie, Kirk; Trans. N.Z. Inst., IX., p. 547, pl. XXIX. 
Allied to P. nove-hollandia, A. Braun. . 
South Island—Lake Pearson and Lake Lyndon, Canterbury, 2,000- 
2,800 feet. 
