242 H. D. HOUSE 



plants, such as, Eleocharis obtusa, Carex pansa, AUotropa virgata, 

 Mimulus (evidently several species), Ihidiwm romanzoffianum, 

 Trifolium fimbriatum, Orthocarpus castilleoides, Hydrastylus brac- 

 hypus, Hypericum anagalloides, Fragaria chiloensis, Hookera pul- 

 chella, Epilobium sp. Ranunculus bongardi, Potentilla anserina, 

 Viola adu7ica, Hosackia parviflora, Ranunculus unalaschensis, 

 Aster douglassii, Lupinus sp. Carex Jmidsii, Lycopodium inun- 

 datum, Claytonia parviflora, Plantago purshii, Gentiana sceptrum, 

 Eriophorum chamissonis, Juncus fcdcatus , and several unidentified 

 grasses and sedges, besides the species that probably occur there 

 at other seasons of the year. 



On the drifting sand, especially on the more level stretches and 

 also near the shore where the moisture is evidently greatest, 

 several unique sand-binding species occur, such as Phellopterus 

 (or Glehnia) littorcdis the large corky seeds of which are blown 

 great distances along with the drifting sand, the corky coats soon 

 almost entirelj^ eaten away by the force of the drifting sand, 

 Abronia latifolia, Arctostaphtjlos uva-ursi,Cakile calif ornica, Godetia 

 quadrivulnera, Artemesia heterophylla, Tanacetum camphoraium, 

 Gaertneria bipinnatifida, Carex macrocephala, Lupinus littoralis, 

 Polygonum paronychia, Anaphalis ocddentalis, and Elymus are- 

 narius. The Abronia seems to be especially effective as a sand 

 binder, growing in large colonies and with a gigantic, deep going 

 root, retaining the soil so firmly that the surrounding sand may 

 be blown away for several feet below the colony, resulting in the 

 production of curious green capped mounds, rather poorly shown 

 toward the background of figure 1. 



In the semi-meadow formations along the east sides of the sand 

 dune area, where the influence of the salt or brackish water of the 

 bay is felt, the vegetation is quite different from the meadow-like 

 formation of the hollows within the dune area, which are all fresh 

 water, and species occur which are characteristic of sandy brackish 

 localities, such as Salicornia ambigua (largely infested by Cuscuta 

 squamigera) , Orthocarpus sp. Scirpus microcarpus, Mimulus, sp. 

 Rumex salicifolius, Baccharis pilularis , Atriplex hastata, Triglochin 

 maritima, Muhlenbergia race7nosa, Scirpus robustus, and Tissa 

 marina. The foregoing were the only plants identified at this 



