Halimeda lacrimosa M.Howe

• Region

  West Indies

• Country

  Bahamas

• Locality

  Mariguana [Mayaguana], Southeast Point

• Coordinates

  22.2828, -72.7809

• Coordinate Uncertainty (m)

  3841.57

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Located coord. of geogr. center of Southeast Point. Measured from coord. to approx. geogr. center of nearest named place (Booby Cay); halved distance (3830 m). Input information into MaNIS Georef. Calc. to find uncert. radius.

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

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C, A NEW HALIMtOA
Halimeda lacrimosa sp. nov.

Dark gray-green in the younger parts when living, becoming
albescent or white with age, soon decumbent, weak and straggling
in habit, estipitate, 2-5 cm- in height or length, very strongly
calcified, the calcification soon involving the medulla and the
entire length of the peripheral utricles ; branching irregularly
dichotomous 01* trichotomous, largely but not wholly in a single
plane, the nodes in decumbent forms now and then rhiziniferous,
or somewhat stoloniferous : segments obovoid, pyriform, or sub-
globose, occasionally subterete, 1-5 mm. long, 1-5 mm. broad or
thick (those near base scarcely different or often a little smaller),
solid, firm, and stone-like, or the larger very often more or less
hollow or cavernose in the medullary region and easily crushed
on drying, the surface compact, smooth, and commonly nitent :
peripheral utricles mostly rather obconical, usually somewhat
flaring at surface, 40-110 ­1 long, 33?37 /jŚ in average maximum
diameter in surface view, truncate or very slightly rounded at apex
with apical walls often incrassate, retuse 011 drying, lateral walls
in contact for only --fa their length but commonly coherent
on d‚calcification : utricles of the subcortical layer in a single
series, clavate-capitate, their subglobose or obovoid heads mostly
66-110 ft in maximum diameter, each bearing 6-18 peripheral
utricles : filaments of the central strand fusing in twos, threes, or
rarely tours at the nodes, the resulting filaments sometimes again
incompletely fused in twos, threes, or fours : sporangia unknown.
[Plate 4, figure i ; plate 6, figures 3-11.]

In the Bahama Islands) from near low-water mark down to a
depth, at least, of ten or twenty meters : Mariguana (near the
Southeast Point), no. 5524, type (11 December, 1907, M. A. H.),

and nos. 5492 and 5304. ; Great Ragged Island, no. 5810 ; and
Ship Channel Cay, no. 3947.

A peculiar species, without close affinities among the species
of the genus hitherto described. It is apparently more common in

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COLLECTED AT SOUTHEAST P0,NT, MAR,GUANA, BAHAMAS
by Marshall a. Howe, December, n, 1907.

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Collected at Southeast Point, Mar,guana, Bahamas

(VI ~T 7 l/pSHALL A? HoWE? December, 11, ,g07.

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