Syrrhopodon cristatus E.B.Bartram

aallidua but had
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PLANTS OF COSTA RICA
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ISOTYPE OF Syrrhopodon cristatus E.B. Bartram
Contr. US Natl Herb. 26: 72., f. 13. 1928.
Yerba Buena, northeast of San Isidro, Province of
Heredia, Costa Rica, alt. 2,000 m. P.C. Standley & J.
Valerio, 49947a, Feb 22-28, 1926. Holotype at FH.
NY 01127569
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Herbarium of the University of Southwestern Louisiana
REVISION OF AMERICAN SYRRHOPODON
Syrrhopodon leprieurii Mont.
William D. Reese
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Syrrhopodon cristatus Bartr., sp. nov.	Fia.	13.
Evidently dioicous. Stems short, simple, about 5 to 9 mm. high, in loose, pale
green tufts; leaves 3 to 4 mm. long, linear-ligulate and tubulose from an erect
shining white oblong-obovate base about one-third of the length of the leaf; apex
blunt or short-acute; spinose-dentate on the margins and back just below the
BARTBAMùCOSTA RICAN MOSSES
a narrow band of hyaline steremcells; margins remo
point, bordered with a narrow band of hyaline steremcells; margins remotely
spinose-dentate to the apex of the cancellinae, then ciliate-dentate to below the
leaf shoulders, entire at the extreme base; costa ending just below the apex,
smooth on the back except at the apex, on the upper surface coarsely spinose
from the apex to the top of the cancellinae, about 40 to 50 a* wide halfway up,
in cross-section about mid-leaf showing a row of 6 guide cells with thick stereid
bands on both sides and differentiated outer cells; leaf cells irregularly oval to
transversely elongate, about 6 p wide and up to 10 m long, papillose on both sur-
faces with multifid papillae; cancellinae hyaline, short-rectangular, nearly filling
the leaf base and en4ing in acute angles above. Sporophyte unknown. -v*
Type: Yerba Buena, northeast of San Isidro, Province of Heredia, Costa Rica,
altitude about 2,000 meters, Paul C. Standley and Juvenal Valerio, February 22
to 28, 1926, no. 49947a, in tufts of Octoblepharum erectifolium.
This neat little species is near S. pusiUus Mitt., but. characteristically distinct
in the costa smooth on the back below the cristate, spinose apex, and in the leaf
cells papillose With multifid papillae (not spiculose).
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13.ùSyrrhopodon cristatus Bartr. A, dry plant, natural size; jB, two stem
- leaves, X 9; C, apex of leaf, X 80; D, part of cross section from upper part of leaf,
X 9; E, part of cross section from lower part of leaf, X240; F, margin of leaf at
shoulder, 240; <?, upper leaf cells and margin, X 240
49947a Syrrhopodon orla tafea I do net knew S.
distinguished the 0. 8* planta fron tha closely alllad 8.
olearly.
I ^^"'^^tiearbarium of the University of Southwestern Louisiana
Syrrhopodon
REVISION OF AMERICAN SYRRHOPODON
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William D. Reese
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NEW YORK BOTANICAL GARDE-
127569
01127569