102 Postelsia 
Club. 1:6.1889. Very abundant in places on 
the beaches of Lake San Juan. Aug. 7. R.891 
CAREX MACROCEPHALA Willd. ex Kunth Enum. 
Pl. 22428. 1837. Common on the sandy 
beaches of San Juan Harbor. Aug. 15. R. 
935: 
ARACE AS 
LYSICHITON CAMTSCHATCENSE Schott. O6cesir. 
Bot. Wochenbl. 7:62. 1857. ‘Common 
moist ravines in the deeply shaded forest. 
Huilyi2c a he S25: 
JUNCACEAS 
JUNCUS EFFUSUS BRUNEUS Engelm. ‘rans. 
St. Lowis Acad. 2: 491. 1868. In:morststuet 
on the open beaches. June 25. R. and B.309. 
Juncus BALTICUS Willd. Ges. Naturf. Fr. Berlin. 
Mag. 3:208.1809. Frequent im thessamie 
habitat as the preceding. |uly oO. sR esamad 
B. 86. 
Juncus ENSIFOLIUS Wikstr. Vet. Akad. Hand. 
Stockh. 2:274. 1823. Grows most frequent- 
ly as a crevice plant upon the rocky beaches. 
juneas: Ke andes: 36. 
