434 IOWA ACADEiMY OF SCIENCE Vol. XXV, 1918 



MELANTHACE^. 



Tofielda intermedia Rydb. Quite common in bogs. 

 Veratrum eschscholtzimuim (R. & S.) Gray. Common along 

 streams and in the forests almost to timber line. 



LILIACE^. 



Fritillana camisckatcensis (L.) Ker-Gawl. Black Lily. Indian 

 Rice. Common on low flats. The bnlblets resemble rice grains 

 and are used by the natives. 



CONVALLARICE^. 



Eruksia streptopoides (Ledeb.) Kearney. Common in the for- 

 ests at Sitka. 



Streptopiis amplexifolius (L.) DC. A tall gro\^dng species 

 which is quite common. Locally called cucumber plant, as the 

 young plant has somewhat the flavor of that vegetaible. 



Streptopiis curvipes Vail. A common woodland species. 



Unifoliuni esch scholtzimmm (Anders. & Bess.) Wight. A very 

 common species. 



IRIDACE^. 

 Iris arctica Easlw. Frequent on flats north of Juneau. 

 Sisyriiicliium littorale Greene. Found around Sitka near the 

 beach. 



ORCHIDACB^. 



Corallorhiza mertensiana Bong. Coral Root. Grows in leaf 

 mold in dense woods and thickets. 



Cythereia hulhosa (L.) House. . {Calypso horealis Salisb.) 

 Found around Sitka, especially on some of the small islands. 



Ophrys cordata (L.) R. Br. (Listera cordata R. Br.) Com- 

 mon on forested mountain slopes. 



Ophrys convallarioides (Sw.) W. F. "Wight. {L. convallarioi- 

 des (Sw.) Torr.) Occurs in the woods around Sitka. 



LimnorcJiis leucostachys (Lindl.) Rydb. Frequent in marshy 

 places. 



LimnorcJiis stricta (Lindl.) Rydb. Frequent in marshes. 



Malaxis diphijllos Cham. This interesting little orchid is com- 

 mon in crevices of rocks along the beach near Point Baranoff 

 south of Sitka. 



Peramium sp. Rattlesnake Plantain. A single plant was col- 

 lected on a small island six miles south of Sitka. It is probably 

 P. repens (L.) Salisib. 



