352 IOWA ACADEMY OP SCIENCE Vol. XXVI, 1919 



Disporum sniithii (Hook.) Piper. — Common in openings in the 

 forest. 



Maianthemum dilatatum (Wood) Nels. and Macbr. — Abundant 

 nearly everywhere. 



Irldaceae. 



Iris tenax Wats. — Plentiful in open places above the beach. 

 Sisyrinchium californicum Ait. — Abundant nearly everywhere 

 in wet ground. 



Orchidaceaa. 



Habenaria leucostachys Wats. — In wet protected places at New- 

 port. 



H. michaeli Greene. — Rather rare on exposed bluffs at Seal 

 Rocks. 



Spiranthes romanzoffiana Cham. — Common in nearly all open 

 places except on the beach. 



Epipactis decipiens (Hook.) Ames.— Numerous in the forest. 



Salicaceae. 



Salix hookeriana Barratt. — Common everywhere at the mouths 

 of streams, also about slightly saline, or quite fresh swamps some 

 distance back. 



Myricaceae. 



Myrica californica Cham. — Abundant everywhere as tall under- 

 growth in the forest and as dwarfed shrubs on the exposed bluffs. 



Betulaceae. 



Alnus oregana Nutt. — Abundant in many places well back from 

 the beach ; comes nearly to the beach along streams. 



Urticaceae. 



Urtica lyallii Wats. — Rare in protected open places. 



Polygonaceae. 



Rumex acetosella L. — Common in open places down to the 

 beach. 



R. occidentalis Wats. — Not common, in open protected places. 



R. maritimus L. var. fueginus (Phil.) Dusen. — Relatively rare 

 on the beach. 



R. obtusifolius L. — Common in open places above the beach. 



