The Flora of Disko Island and Adjacent Coast of West Greenland. 29 
V. Isoétaceae. 
ay 18. Isoétes echinospora Dur. 
A pronounced southern type found at Tasiussarssuaq, Sofiehavn 68°25’ 
(Bl), otherwise not known till between 60° and 61°. 
The specimens were sterile. 
Gymnospermae. 
VI. Pinaceae. 
A 19. Juniperus communis L. var. montana Air. 
On warm sunny rock-slopes. 
A southern type known from several localities in the fjords inland from Hol- 
steinsborg, but by no means common. In the interior of N, Stromfjord rare f. inst. 
Eqaluarssuit 67°36’ (P. & E.); Ipiutarssuaq 67°44’ (P. & E.); Sarfarssuaq 67°50’ 
(Korn.); Ugssuit 67°58’ (P. & E.); at Tasiusarssuaq 68°28’ (BI.); Orpigssuit 68°35’ 
(Engell). 
Finally, according to verbal communication from Mr. P. DatacGer, it is said 
to occur at the head of Kangersuneqfjord 68°50’ and thus we have the north- 
limit here. 
All above mentioned localities are in the lowland. 
Most of the observed specimens were abundantly fruiting. — No 
doubt covered by snow in winter, but early snowless in spring. 
Monocytyledones. 
VII. Sparganiaceae. 
At 20. Sparganium submuticum (Hartm.) Neum. 
Waterplant. 
A decided southern type collected only in the following places: Naujat 
70°O’ (Htz.); Orpigssuit 68°37’ (Htz.); Tasiussarssuaq 68°28’ (Bg. refound by BL.); 
Nivaq Bugt. several places (P. & E.). Aulatsivik settlement 68°10’ (Kr.). Other- 
wise not observed till south of 64°, but likely often overlooked. 
Some of the above mentioned findings were fruiting. 
Hibernates under or enclosed in ice. 
VIII. Potamogetonaceae. 
Flowering, fructifieation and wintering. 
All the species of this family, as well as the rest of the Greenlandic 
true waterplants, occur in shallow water especially in ponds that freeze 
