Download A flora of northeastern Minnesota by Olga Lakela PDF

By Olga Lakela

A plants of Northeastern Minnesota used to be first released in 1965. Minnesota Archive variations makes use of electronic know-how to make long-unavailable books once more obtainable, and are released unaltered from the unique college of Minnesota Press editions.

A handbook for the id of the ferns, fern allies, flowering vegetation, bushes, shrubs, and herbs of Minnesota's Arrowhead area, this quantity lists 113 botanic households and describes 1,300 species, with keys for identity. There are eighty line drawings of plant species and 419 maps exhibiting distribution.

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Thuja L. Arbor Vitae (thyia or thya, ancient name of some conifer) T. occidentalis L. White Cedar. Medium-sized trees up to 20 m tall; bark gray, shreddy, with shallow fissures, often appearing twisted; sprays aromatic, flabellate, strongly flattened; scale leaves acute to acuminate-oblong, imbricated in alternating pairs; the lateral pair folding over the margins of the appressed scales on the broad sides of the branch; the blade of scales with a median resin dot; flowers in terminal clusters; anthers few, decussate; pollen wingless; ovulate scales imbricate, 4-6 pairs, each bearing 2 ovules; cones becoming dry on ripening; seeds winged all around.

Branches of sterile stems 4-angled, sheath 4-toothed. 10327 Kabetogama L; 1398 beach sand, Minn Pt, Duluth; f. campestre 5985 low terrace, cr bank, Duluth. 15 Var. ) Ledeb. Branches of sterile stems 3-angled, sheaths 3-toothed, well developed at spore-shedding time; the apex long-exserted above the uppermost whorl. 19683 high clay bank of Sand Cr, Toivola High School grounds. E. pratense L. Meadow Horsetail. --Frequent in low damp woods and on river banks. 12338 Whiteface R; 12355 Duluth. NS to Alas.

Occasional in area. 11437 Caribou L, 14 mi nw of Duluth; 16211 in deep water L Vermilion, Treasure Island area. Lab to Alas and s, Colo. P. Richardsonii (Benn. ) Rydb. Clasping-leaf Pondweed. --Common in sandy-bottomed lakes. 11845 Crooked L at Curtain Falls; 7606 St. Louis R at New Duluth. Lab to Alas and sw. P. alpinas Balbis. Alpine Pondweed. 5 mm long, keeled, becoming greenish buff when ripe. Var. ) Ogden. Submersed leaves linear-lanceolate, 7-12 cm long near the midstem. 16213 deep water L Vermilion, Treasure Island area; Moy3580 Nine Mile Cr.

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