LIST OF ILLUSTRATIONS. 
Facing page. 
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PLaTE I. Map of Inner Harbor at Cold Spring Harbor, showing topography 
II. A. View over Harbor Bottom at Low Water, showing Ulva and the 
Tide-channels from Creek. B. Looking over Harbor Bottom 
toward northeast, showing Ulva, Tide-channels from Tide Pond, 
and Spartina: G1@bri es siaiscis'n\s dnthe Slats nie aeons om DATED ahd e's «)k 
III. A. Spartina glabra and Fucus vesiculosus spiralis on Spit. B. Wall 
of Wharf on the East Shore, showing Fucus and Ascophyllum.... 
Iv. A. South Shore of Spit, showing Upper Margin of Spartina glabra, 
also Sueda, Ammophila, Solidago, and Ailanthus. B. Portion of 
East Shore south of Mill, with Spartina glabra, Scirpus ameri- 
canus, Sambucus, Ailanthus, Solidago, and Iris.........cececvee 
V. Map of Spit, showing Distribution of Seed Plants (1: 1000)........ 
[In above plate Hlymus virginicus should read Huphorbia polygonifolia.] 
VI. Chart of Tide-curve observed at Cold Spring Harbor, July 11, 1911.. 
VII. A. South Shore of Spit, showing cross-section of Belt of Spartina 
glabra left by mowing. B. South Shore of Spit, showing Zonation 
between the 6-foot and 10-foot levels... ...... cc cee cee eee ee eee 
VIII. Map showing the Distribution of important Schizophycee, Diatomee, 
and Chlorophycesr in the Inner Harbor.............cccccececces 
IX. Map showing Distribution of important Phzeophycee and Rhodo- 
DHYCEB IN ANNES. PACD oie nisl y alata oes Gaede cementite iaia ao «tees 
X. South Shore of Spit at 7-foot level, showing Limonium, Sueda, 
Salicornia, ete. B. South Shore of Spit with Salicornia ambigua, 
LAMONIN [and caleal Tels is. cca s acpebs is eis Ain He clone e < sb 
XI. Map showing Distribution of Cormophytes on the Atstuarial Marsh. 
XII. Map showing Distribution of the Vascular Plants of the Inner 
Harbor that are Associated with Fresh-water Inlets............. 
XIII. Map showing the Distribution of Vascular Plants of Inner Harbor 
not Associated with Fresh-water Inlets..............ceeeecees 
XIV. Belt Transect of Spit, showing Distribution of Vascular Plants in 
Relation: tos TIGSLOVGlS sinc cts «acs ie, cla yiesatew veep ears Mites ete xe cela cee 
XV. A. View over Marsh from Causeway at High Tide. B. View over 
Creek and Marsh at Low Tide....... 5-4, a.9'5'a i inl aca en aches 
XVI. A. Fucus vesiculosus var. spiralis. B. An Attenuate variety of 
Fucus vesiculosus from, Mud Plats «o4 sic ses hele spats dnis a ciate 6 Ae se 0 
XVII. Wall of Wharf on West Side of Harbor, showing Zone of Fucus and 
ASCODRYTMUMN sacs os « pcthesd suiarGa bi wibie a eal clehsiins oh eens tia saa eee ee 
XVIII. A. Wall of Wharf and Pebble Bottom along East Shore, showing Dis- 
tribution of Ascophyllum and Fucus. B. Sporelings and Mature 
Plant..of, FUCUSs: CVGNCECONS 6 a aie auis we cis dere Kuen Spats ein skkulss nals s < 
XIX. A. View looking from Causeway Northwest over Marsh. B. View 
of Marsh, showing Line of Contact of Scirpus americanus and 
SParlinGd DGECNS sons gales a oe pha ealyl< dutk shee sipheneKe ania ie oan aan as 
XX. A. View of Marsh, showing Spartina glabra, S. patens, Juncus 
Gerardi, and Scirpus americanus. B. View of South Shore of Spit 
at the 8-foot level, showing Spartina glabra, S. patens, Distichlis, 
Solidago,’ BNG SWAG. s. io oe: easels, av <ikee ok amines atk aota cit psi Ae oe male 
XXI. Belt Transect of Astuarial Marsh (Sections I and II)............. 
XXII. Belt Transect of Astuarial Marsh (Sections III and IV).......... 
XXIII. Predicted Tide-Curve for Willet’s Point, for May 1 to 5,1911....... 
XXIV. Chart showing Range of:Tides at Cold Spring Harbor for Growing 
season, May to Oct JST. vs e258 on eee Lee eee ee a he ee ee ae 
TEXT FIGURES. 
Fig. 1. Vertical North and South Section of Spit........ Re RIS cM te 6 ays 
2. Zonation of Vegetation on South Beach of Spit .................02. 
3. North and South Section of Marsh and its Vegetation................ 
4. Chart‘of -Tides-atWillet's, Pointua tm Ae ee iten es a eh cc 
5. Atmometer used between Tide Lines............... SE PO OA a 
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