104 FLORA OF GRAND RAPIDS. 



800. A. Saccharum Marsh, liock or Sugar Majilc. 

 Abuiidant in ricli suil. i\Iay. 



It forms large groves, or is intermingled witli beech. 



801. A. Saccharum nigrum Britton. lUack Mai)le. 

 Growing with the species; frequent. JVLiy. 



It differs from the species in having darker bark; large, broad, 

 shallow-lobcd leaver, pubescent beneath, the sides of which 

 generally droop. 



802. A. spicatum l^ani. Mountain Maple. 



(\ild moist woods with evergreens. ]Mid-May-]\Lid-.Iune. 

 Cedar swamp (WeatherwaxPart); Sec. 25, Jamestown; Sees. .SO 

 and 31, Byron. Abundant at these stations. Common in the 

 northern part of the State, but rare as far south and inlan<l as 

 this localit}'. 



NGQUNDO jVloencii. Asii-i.kave:) Maplk. Box-Klv>er. 

 Acer L. 



803. N. aceroides Moencli. 

 A. Xuiiindc) L. 



Alluvial soil. Mid-April. 



Along Plaster Creek (B.E.L.); banks of Grand River. A small 



tree extensively planted now as a shade tree in and about the City. 



^ BALSAAilNACEAE. JKWKr.-WKKi) Family. 

 IMPATIENS L. Balsam. .JrwEL-WEED. 



804. I. aurea Muhl. (I. pallida Nutt. Pale Touch-me-not.) 

 In low woods and along streams, less frequent than the follow- 

 ing species. July-Aug. 



805. I. biflora Walt. (I. vulva Nnit. Touch-me-not.) 

 Marshes and banks of streams; common. July-Aug. 



Corolla often pale yellow. 



