Hill: Penohsrot Plants. 213 



DIVISIOX IT SPERMATOPHYTA 



TAXACEAE 



Taxus canadensis Marsh. Occasional in deep wet woods. 



PI^TACEAE 



PiNUS Steobus L. Frequent in dry woods. Formerly this 

 tree was much more alnmdant l)ut it has been almost ex- 

 terminated by lumbermen. A few large specimens are 

 to be found in the deeper woods, but usually the trees are 

 young and only a few feet (10-20) in height. 



PiNUs RiGiDA ]\Iill. Occasional on barren soil. The pitch 

 pine, which is at almost its northern limit, is usually 

 found only in small isolated areas. However, on the 

 sterile slopes and summit of ~Mt. Champlain, Isle an Haut, 

 it is very abundant. 



PiKus REsiNOSA Ait. Infrequent. ISTear Sedgwick road, 

 Brooklin (A. H. Graves) ; dry barren soil, ISTorth Deer 

 Isle (^"o. 2789) ; *Isle au Haut CN. T. Kidder). 



Larix laricina (DuRoi) Koch. Abundant in wet woods 

 and sphagnum bogs. 



PiCEA CANADEXSTS (Mill.) BSP. Commou on uplands. 



■PiCEA RUBRA (DuRoi) Dietr. Very abundant on uplands. 

 This species together with the preceding and Ahies hal- 

 samea make up the bulk of the forests of this region. 

 Stunted specimens are common on the outer headlands and 

 on Mt. Champlain, Isle au Haut. 



PiCEA MARIANA (Mill.") BSP. Frcqueut in sphagnum bogs. 



Abies balsamea (L.) Mill. Abundant on uplands. 



TsiTGA CANADENSIS (L.) Carr. Very rare. Low woods, 

 Gray's Cove, Deer Isle (ISTo. 2190) ; Flyes Point, Brook- 

 lin (A. H. Graves). 



