126 FLORIDA GEOLOGICAL SURVEY-I3TH ANNUAL REPORT (Eupatorium compositifolium) Dog-fennel High pine land and old fields Nymphaea macrophylla Bonnets Lakes and streams Pteris aquilina (A fern) High pine land, etc. Sagittaria lancifolia Lakes and marshes Osmunda cinnamomea (A fern) Swamps, etc. Croton argyranthemus High pine land Doellingeria reticulata Flatwoods Actinospermum angustifolium High pine land (Piaropus crassipes) *ater-hyacinth Lakes and rivers Eriogonum Floridanum High pine land Lupinus diffusus (Lupine) High pine land Saururus cernuus Swamps, etc. Andropogon sp. Broom-sedge Peat prairies, etc. Carphephorus corymbosus Flatwoods, etc. Eriocaulon compressum Lake margins, etc. Berlandiera subacaulis High pine land Castalia odorata Water-lily Lakes, etc. Psoral.ea canescens High pine land Acnida australis Careless Marshes Aristida spiciformis (A grass) Low pine land Andropogon Virginicus Broom-sedge High pine land Galactia Elliottij (Pin-down) Flatwoods Stenophyllus Warei (A sedge) High pine land Centella repanda Lake shores, etc. Osmunda regalis (A fern) Swamps Helianthus Radula Pine lands Syngonanthus flavidulus Flatwoods, etc. Fuirena scirpoidea (A sedge) Lake shores, etc. (and about 300 others) About 85% of the trees and 95% of the shrubs are evergreen. As in many other regions with mainly non-calcareous soils, Ericaceae are relatively abundant and Leguminosae rather scarce. The species that are more abundant in the lime-sink region than here* probably prefer more calcareous or potassic or phosphatic or ferruginous soils, while those with an opposite tendency t are more characteristic of acid soils, swamps, bogs, marshes, etc. A few of the plants in the list, such as Persea linmilis, Prun.us genicilata, and Eriogonuim. Floridanum, and possibly fifty other less abundant species not listed are confined to the lake region, or nearly so, while probably an equal number occur in other regions but not outside of Florida: the lake region being far ahead of other *Such as Taxodiunm distichum, Liquidambar, Quercus laurifolia, Q.T': -g"&aia, Q. falcata, Hficoria alba, Qitercus Margaretta, Cornus florida, Cercis, Crataegus Michauxii, Vitis aestivalis, Asimina speciosa (?). Cephalanthus, Carphephorus coryibosus, and Eupatoriunm aromaticum: nearly all of which are deciduous. Like Pinus Caribaea, P. clausa,. P. scrotina, P. Elliottii. Accr rubrumi, Gordonia, Nyssa, Magnolia glauca, Persea huilis, Smzilax laurifolia, S. auriculata, Serenoa, Pieris nitida, Hypericunt fasciculatun, Bejaria, Faccinium nitidumi, Garberia, Cholisma fruticosa, Prunus geniculata, Cladium effusumn, Spartina Bakeri, Pontcderia, Pan icumi heimitoimion, A nchistea, Nynphaea, Ospunda cinnamomea, and Doellingeria; most of which are evergreen.