t) COMMON CANADIAN WILD PLANTS. 



S. MYOSritrS, Dili. MouSETAIL. 



1. M. min'imus, L. Scapes 2-fl inches high. Leaves 

 linear-spatbulate. Achenes blunt, in ii, spike 1-2 inches 

 long when ripe. 



2. M. arista'tus, Benth., is easily distinguished from the 



above by the persistent style nearly as long as the achene. — 



N.W. 



0. KAMirji'eilHIS, L. Crowfoot. BuTTERCnr. 



1. B. aquat'ilis, L., var. triehophyl'lus, Gray. (White 

 Water-Crowfoot.) Foliage under loater, filiform, usually 

 collapsing when withdrawn from the water. Flowers white, 

 floating, each petal with a little pit on the inside of the 

 claw. — Stagnant pools and slow-flowing streams. 



2. R. eireina'tus, Sibth. Much like No. 1, but the 

 immersed leaves are mostly sessile, and do not collapse when 

 withdrawn from the water. — Toronto harbour; and abund- 

 ant in N. W. 



3. R. Cymbala'ria, Pursh. (Se4-Side Crowfoot.) Low, 

 smooth, spreading by runjiers which take root at the joints. 

 Leaves long-petioled, roundish, crenate, rather fleshy. Pet- 

 als 5-8, yellow. Carpels striate, in an oblong head. — Sea- 

 shore, and beside brackish streams and springs. 



4. R. multifidus, Pursh. (Yellow Water-Crowfoot.) 

 Like No. 1, but larger, and with yellow flowers, sometimes 

 creeping in the mud ; the leaves round kidney-shaped, and 

 more or less. deeply lobed and toothed. ^-Ponds and ditches. 



5. R. Flam'inula, L., var. reptans, Meyer. (Creeping 

 Spbarwort.) Stem reclining, rooting at the joints, only 3-6 

 inches long. Leaves linear, entire,, remote. Flowers yellow, 

 J of an inch broad. — Sandy and gravelly shores of ponds 

 and rivers. 



6. R. rhomboi'deus, Goldie. Stem erect, low (3-8 inches), 

 hairy ; root-leaves roundish or rhombic-ovate, mostly cre- 

 nate ; lowest stem-leaves similar or 3-5-lobed, the upper 

 nearly sessile and deeply out into linear lobes. Petals large, 

 exceeding the calyx ; achenes orbicular, with a minute beak, 

 in a globular head. — Dry plains, in early summer. 



