Oedogonium flavescens Wittr. ex Hirn

Taft, Clarence E. The Oedogoniaceae of Oklahoma
including new species and varieties. Bull. Torrey
Club^62: 281-290. Pi. 15, 16. May 1935.

27. Oe. flavescens (Hass.) Wittr. var. minus var. nov. (figs. 10,11,12).

286	BULLETIN OF THE TORREY CLUB	[VOL. 62

Idioandrosporum; poro mediano vel infra medium apertis; oosporiis glo-
bosis vel sub-globosis; androsporangiis 1-3 cellularibus; antheridio exteriore,
uni-cellulari; cell, veget. 16-20X62-112/*; oogon. 39-46X46-50/*; oospor.
36-43X36-43/*; cell, androsp. 16-23 X10-20/*; stip. nannandr. 10-13X33-
45/*; cell, antherid. 8-10X7-13/*. Certerum ut in typo.

Idioandrosporous; pore median to inframedian; oospore globose to sub-
globose; androsporangium 1-3; antheridium 1, exterior; vegetative cell 16-20
X62-112/*; oogonium 49-46X46-50/*; oospore 36-43X36-43/*; androspor-
angium 16-23X10-20/*; dwarf male stipe 10-13X33-45/*; antheridium 8-10
X7-13/*.

Herb. C.E.T. 53.

The variety minus closely resembles the type except in its smaller size.

This along with the inframedian position of the pore and the subglobose
oospore, both of which are commonly present, give this form varietal rank.

mil

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Figs. 10-12. Oe,

12 i 1Z

(Hass.) Wittr. var. minus Taft

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