Oedogonium crenulatocostatum Wittr. ex Hirn

NEW YORK
BOTANICAL
GARDEN

NEW YORK BOTANICAL GARDEN

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/‘tf.o'Figs. 204-206. Oedogonium crmulatocostatum
Wittr.

67. Oedogonium crenulatocostatum Wittr. Bot. Notiser
1878: 139. 1878.

? Oedogonium apiculatum Wolle, Bull. Torrey Club 6: 188. 1877.

Dioecious, macrandrous; oogonia 1-6, obovoid to subellipsoid, often terminal, pore supe-
rior; oospore of the same form, and nearly or quite filling the oogonium; outer spore-wall
smooth, the median with 14-20 longitudinal ribs, crenulate and sometimes anastomosing, the
inner smooth; antheridia 2-6, often alternating with vegetative cell; sperms 2, division hori-
zontal; terminal cell obtuse to broadly apiculate; female vegetative cell 10-18 by 25-125 »
male 9-13 by 32-80 /x; oogonium 30-36 by 40-65 m; oospore 28-34 by 37-55 n; antheridium
9-12 by 9-14 m-

Type locality: Bethelehem, Pennsylvania.

Distribution: New Hampshire, Massachusetts, Connecticut, Pennsylvania, Ohio Michigan
Indiana, Illinois, Iowa, North Carolina, Kentucky, Wyoming.

Plate 15./. 204-206. 'TJ-f-fethy, tSor'ffo	i	._// ' Y 2-, 7

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