This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: ...Eoy & Biss. Scott. Desm. 1893, p. 174; Nordst. Index Desm. 1896, p. 99; West & G. S. West, Alg. S. England, 1897, p. 484; G. S. West, Variation Desm. 1899, p. 384; West & G. S. West, Alga-fl. Yorks. 1900, p. 66; Alg. N. Ireland, 1902, p. 30. Didymidium (Micrasterias) denticulatum Reinsch, Algenfl. ...
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: ...Eoy & Biss. Scott. Desm. 1893, p. 174; Nordst. Index Desm. 1896, p. 99; West & G. S. West, Alg. S. England, 1897, p. 484; G. S. West, Variation Desm. 1899, p. 384; West & G. S. West, Alga-fl. Yorks. 1900, p. 66; Alg. N. Ireland, 1902, p. 30. Didymidium (Micrasterias) denticulatum Reinsch, Algenfl. Frank. 1867, P. 147. Micrasterias furcata Ag. var. denticulata Eabenh. Flor. Europ. Alg. III, 1868, p. 192. Helierella denticulata Kuntze, Revis. gen. plant. 1891, p. 898. Cells large, about lg times longer than broad, broadly elliptic in outline, deeply constricted, sinus narrowly linear; semicells 5-lobed, interlobular incisions narrowly linear; polar lobe narrowly cuneate, with dilated apex and concave sides, not projecting beyond the lateral lobes, apical margin retuse with a widely-open notch in the centre, angles obtuse or sometimes truncate emarginate; lateral lobes almost equal and broadly cuneate, superior lateral lobes sometimes a little larger than inferior ones, divided into two lobules by a deep incision, each lobule further divided into four (sometimes only two) subequal, retuse or emarginate parts. Side view of semicell narrowly pyramidate, with a marked protuberance on each side near the base. Vertical view fusiform, poles acutely conical, with three undulations at the middle on each side. Cell-wall delicately or sometimes coarsely punctate. Zygospore globose, furnished with scattered, elongate, stout spines with bifid and trifid apices, some of which sometimes divide again and become recurved. Length 205-350, l; breadth 177-277 v, breadth of isthmus, 23-40 /u; breadth (maximum) of polar lobe 55-75 p; thickness 55-60 n; diam. of zygospore without spines 80-116/x, with spines 170-195/a. England.--Cumberland!...
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Add this copy of A Monograph of the British Desmidiaceae Volume 2 to cart. $63.74, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2016 by Palala Press.