176 PLANTS FROM PEITAIHO 



Lilium concolor, Salish. — Bulbs from Mountains. — 

 Flowers red or yellow, petals 1 in. long. 



Pontedericeae. Water Hyacinth Family. 



Monochoria Korsakowii, Kegel. — Ponds. — Flowers rich 

 blue, leaves cordate. 



Commelinaceae. Spiderwort. Family. 



Aneilema Keisak, Hassk. — Damp, weedy place?. 

 Slender, 2 ft., flowers terminal, smali, pale purple 

 leaves narrow. 

 Commelina communis, L. — Shady places. Slender, 

 2 ft., flowers bright blue, leaves 3/5 in. wide. " Day 

 Flower. " 



Juncaceae. Eush Family. 



Juncus bufonius, L. — Drying ponds. — Slender, 4 in. 



leafy, flowers remote, greenish. 

 Juncus effurus, L. — L. — Ponds. — Scape soft, 16 in., 



flowers in a cluster at side of naked scape. 



" Common rush. " 

 Juncus lamprocarpus, 1. — Dry stream bed. Leaves 



jointed. 



Sparganiaceae. Bur-reed Family. 



Sparganium affine, schnitzl. — Ponds. — Stem simple, 

 8 in., flowers white, fruit burlike, leaves erect. 



Typhaceae. Cat-tail Family. 



Typha minima, Hoppe. — Sand flats. — 14 in. high. 

 Typha angustifolia, L. — Ponds in flats.— 4 ft. high. 



Aroideae. Arum Family. 



Acorus gramineus, Ait.— Sides of stream. — Fruiting 

 spadix on one side of leaf like scape, leaves sword- 

 like, root aromatic. — " Chinese Calamus." 



Lemnaceae. Duckweed Family. 



Lemna polyrhiza, L. Ponds. — Floating. — Leaves round- 

 obovate 1/5 in. wide, roots several. 



Lemna minor, L. Ponds. — Floating. — Leaves 1/10 in. 

 wide. Root single. 



Lemna trisulca, L. — Ponds, Submerged. — Leaves ob- 

 long, remaining connected. 



Alismaceae. Arrow-head Family. 



Alisma Plantago, Var. Latifolium, Kunth. — Ponds. — 



Leaves ovate — lanceolate — " Water Plantain." 

 Alisma Plantago, Var. angustifolium. Kunth. — Ponds. 



Leaves lanceolate. 

 Sagittariasagittifolia, L.-r-Ponds. — Leaves large, always 



arrow-shaped but very variable. — "Arrow-head." 



