. Introduction to cryptogamic botany. Cryptogams. INTRODUCTION TO CRYPTOGAMIC BOTANY. 177 if the first conclusions to which they lead -were adopted, the whole system would be soon reduced to the primitive chaos which existed at the time when Turner began his history of Fuci. Most of the genera have representatires in every part of the globe, but the filiform species are more abundant in temperate seas, while a few attain, in warmer countries, their extreme dimensions. 1. Ceramiace^, Harv. (GeraTniece, J. Ag.) Articulate, often more or less coated with cells. Nuclei naked or involucrate. Spores
. Introduction to cryptogamic botany. Cryptogams. INTRODUCTION TO CRYPTOGAMIC BOTANY. 177 if the first conclusions to which they lead -were adopted, the whole system would be soon reduced to the primitive chaos which existed at the time when Turner began his history of Fuci. Most of the genera have representatires in every part of the globe, but the filiform species are more abundant in temperate seas, while a few attain, in warmer countries, their extreme dimensions. 1. Ceramiace^, Harv. (GeraTniece, J. Ag.) Articulate, often more or less coated with cells. Nuclei naked or involucrate. Spores conglobated. Tetraspores superficial. 152. This group contains a portion of those Rhodosperms which are either strictly monosiphonous and filiform, or which. Fig. 43. Ccdliihamnion corymbosum. a. Thread with tetraspores, magnified. b. Portion of ditto, magnified more highly. c. Thread with naked nuclei, fiUed with a mass of spores, magnified. (GONGTLOSPBRMEI.) d. Spore magnified more highly. From specimens communicated by Mrs. Griffiths.* * I have also a specimen from the same lady, showing the antheridia as in Harvey's figure ; but they are so delicate that I am not able to figure them from the dried specimen. 12. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Berkeley, M. J. (Miles Joseph), 1803-1889. London, New York, H. Bailliere; [etc. ,etc]
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