124 SIXTEENTH REPORT. 



349. Rubus parviflorus Nutt. Salmon Berry. Shingle beaches ; occasional 

 in the climax forest; most characteristic of open burn forest, where it is usually 

 very abundant. 



350. Rubus triflorus Richards. Dwarf Raspberry. Rock shore crevices; 

 shingle beaches; bog forest. 



*351. Rubus arcticus L. Arctic Raspberry. "Sparingly distriljuted in 

 moist woods and filled ])og areas." Holt. 



352. Rosa acicularis Lindl. Wild Rose. Rock shore crevices; beaches; 

 burn forest. 



353. Rosa acicularis Lindl. var. Bourgeauiana Crepin. Gull Islands; Mott 

 Island. 



354. Prunus virginiana L. Choke Cherry. Burn forest. 



355. Prunus pennsylvanica L. f. Pin Cherry; Fire Cherry. Rock shore 

 crevices, occasional; bare burned ridges, often abundant, persisting into the 

 burn forest stage. 



Leguminosae. Pea Family. 



356. Trifolium pratense L. Red Clover. Clearings. 



357. Trifolium repens L. White Clover. Clearings. 



358. Trifolium hybridum L. Pink Clover. Clearings. 



359. Vicia americana Muhl. Vetch. 



360. Lathyrus maritimus (L.) Bigel. Beach Pea. Sand beach: entrance 

 to Duncan Bay. 



361. Lathyrus palustris L. Vetchling. Sedge and grass zones of Delta 

 Swamp Succession. 



362. Lathyrus ochroleucus Hook, Same habitat as last. 



Oxalidaceae. Wood Sorrel Family. 



363. Oxalis Acetosella L. Wood Sorrel. Climax forest : Smithwick Island ; 

 Duncan Bay. 



Geraniaceae. Geranium Family. 



364. Geranium Bicknellii Britton. Heath mat and clearings. 



Pohjgalaceae. Milkwort Family. 



365. Polygala paucifolia Willd. Fringed Polygala. Climax forest. 



Callitrichaceae. Water Starwort Famih'. 



366. Callitriche palustris L. Water Starwort. Aquatic: Delta Swamp 

 Succession. 



Empetraceae. Crowberry Family. 



367. Empetrum nigrum L. Crowberry. Rock shore crevices and margins 

 of rock pools. 



Anacardiaceae. CasheAv Family. 



368. Rhus typhina L. Sumach. 



Aceraceae. Maple Family. 



*369. Acer pennsylvanicum L. Striped Maple; Moosewood. Holt. 

 370. Acer spicatum Lam. Mountain Maple. Climax forest; bog forest. 



