Anabaena willei N.L.Gardner

• Region

  West Indies

• Country

  Puerto Rico

• Locality

  in river 5 km east of Coamo

• Coordinates

  18.079, -66.3106

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

No.

NEW YORK

THE NEW YORK BOTANICAL GARDEN BOTANICAL

DARIUS OGDEN MILLS FUND	, -3

FRESH WATER ALGAE OF PORTO RlCO_

COLLECTED BY PROFESSOR N. WIL1

jayuya march 15, 1915 ( TYPF

r? JI ^

NEW YORK BOTANICAL GARDEN

00937848

6 7 8 9 10 ^

The New York
copyright reserved Botanical Garden

LTYPlr ^ A. WiXU*. &<s

Determined by Francis Drouet#

It. 73^. J^c^uj Jli, ¿>0.

Anabaena Willei sp. nov.

JU. I<J7S~

- l°L' /fa?.

Plate 12, figure 10

Trichomes bright aeruginous, long, relatively straight, deeply
constricted at the dissepiments, 4.8-5.2 m diam., attenuated at
the apices; cells short, mostly quadrate, cylindrical, finely gran-
ular ; apical cell conical; heterocysts cylindrical or somewhat
dolioform, 5-6 n diam., 9-12 u long, hyaline; spores cylindrical,
6.5-8.6 m diam., 15-20 m long, smooth, outer layer slightly brown
in color, densely granular, bright blue-green, 2-3-catenate next
to the heterocysts.

Growing in a pool among other algae, Jayuya, no. 1750, type;
in a ditch, Ponce, no. 1670 a; in a small stream about five kilo-
meters east of Coamo, no. 237.

Anabaena Willei belongs to the Sphaerozyga section of the
genus, as limited by Agardh (Aufzaehlung, 634, 1827) and is
related to A. oscillarioides.

u«

tTYPfr <n A. WOLUa.

Determined by Francis Drouet#

10. Anabaena Willei

A portion of a filament with characteristic vege-
tative cells and resting cells next to a heterocyst...... x 500

Determined by Francis Drouet

PONCE

MARCH 12. 1W1

A.	Kwfj.

Determined by Francis Drouet

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