Triglochin.] CXXXVIII. NAIADEJE. 167 
The species is widely spread over extratropical South America and is also in North 
America and in New Zealand. The Magellan plant however referred to by Grisebach 
to me to be quite distinct both in the rootstock and in the form of the fruit 
and is probably the true 7. maritima. 
- T. centrocarpa, Hook. Ic. Pl. t. 728.—A dwarf slender plant 
usually densely tufted. Radical leaves subulate, often all under 4 in. 
Sc 
y lanther-bearing segment and 2 lateral empty 
ones, the others with 3 or rarely 6 segments, all anther-bearing, but the 
frui me small specimens only one seed ripens in the whole 
t.—Hook. f. Fl. Tasm. ii. 0; Endl. in Pl. Preiss. ii. 54; 7. nanum, 
x Muell, in Trans, Vict. Inst. 1855, 135, and in Hook. Kew. Journ. 
YUL, 332, Fragm. vi. 82, 
g; Vietoria, Wendu Vale, Robertson, near Melbourne, Harvey ; Brighton, Hopkins 
In Station Peak, etc., F. Mueller ; Murray River, Dallachy. 
S. , Abundant in sandy moist places, J. D. Hooker, 
wy Aastralia, Barossa Range and Holdfast Bay, F. Mueller. 
i Australia. King George's Sound to Swan River, F. Mueller, Drummond, 
Dre ^. 682 and n, 313, Preiss, n. 2409 and 2411 ; Murchison and Vasse Rivers, 
The fruits in this s : : : ee iti Inthe 
orm pecies are exceedingly variable in size and position. In the rare 
- figured as above they are strictly pot almost sessile and 2 lineslong, in some 
n spec sessile or disti 
oner form with ], t fruits by numerous inte ates. T. 
t onge ore erec s 
hophora, Nees ; Endl. in PL ced ii. 54, from Rottenest Island, is a small slender 
YE. caleitr lines or in one 
uito apa. Fruits full 3 lines long, the basal spurs 1 to 14 lines or in 
ot fis long —7, ealetivapa, Hook. Ic. p. t. 731.—S wan River, rauca " Sw 
Singlo speria joked gives rather an exaggerated idea of the spur ev 
