40 APPENDIX. 



Family 2. Umbelliferae B. Juss. 



Hydrocotyle umbellata L. Umbellate Marsh-pennywort. Near Bristol; New Brit- 

 am, Prof. A. S. Alartin. 



Hydrocotyle Canbyi C. & R. Canby's jMarsh-pennywort. Near Doylestown, Prof. 

 A. S. Martin. 



Hydrocotyle Americana L. American Marsh-pennywort. In wet places. 



Sanicula Marylandica L. Sanicle. In rich woods. 



Sanicula gregaria Bicknell. Clustered Snake-root. Three-mile-run; Durham, Har- 

 vey F. Ruth; Doylestown; Deep Run. 



Sanicula Canadensis L. Canada Sanicle. In woods. 



Sanicula trifoliata Bicknell. Large-fruited Sanicle. Point Pleasnt, E. P. Bicknell. 



Eryngium Virginianum Lam. Button Snake-root. Near Bristol, I. C. Martindale. 



Chaerophyllum procumbens (L.) Crantz. Spreading Chervil. Along the Delaware. 



Washingtonia Claytoni (Michx.) Britton. Woolly Sweet-cicely. In woods. 



Washingtonia longistylis (Torr.) Britton. Smooth Sweet-cicely. In woods. 



Conium maculatum L. Poison Hemlock. Lumberville; Point Pleasant, (M. C); New 

 Hope, Dr. E. Newlin Williams. 



Bupleurum rotundifolium L. Thorough-wax. Bensalem, I. C. Ivlartindale. 



Zizia aurea (L.) Koch. Early Meadow-parsnip. Near Sellersville; Nockamixon, 

 Benjamin Heritage. 



'Zizia cordata (Walt.) DC. Heart-leaved Alexanders. In woods. 



Cicuta maculata L. Water Hemlock. In swamps and streams. 



Cicuta bulbifera L. Bulb-bearing Water-Hemlock. In swamps. 



Deringa Canadensis (L.) Kuntze. Honewort. In woods. 



Carum Carui L. Caraway. Rockhill, Dr. J. B. Brinton. 



Taenidia integerrima (L.) Drude. Yellow Pimpernel. On rocky hillsides. 



Pimpinella Saxifraga L. Pimpernel. Durham, J. A. & H. F. Ruth; Wyker's island, 

 Gottlieb Frey. 



Sium cicutaefolium Gmel. Hemlock Water-parsnip. In swamps and streams. 



Sium Carsoni Durand. Carson's Water-parsnip. Rockhill. 



Ptilimnium capillaceum (Michx.) Raf. Mock Bishol-weed. Tullytown. 



Aethusa Cynapium L. Fool's Parsley. Rockhill, A. MacElwee. 



Foeniculum Foeniculum (L.) Karst. Fennel. In the county, (P. Fl.). 



Thaspium trifoliatum (L.) Britton. Purple Meadow-Parsnip. In moist soil. 



Thaspium trifoliatum aureum (Nutt.) Britton. Golden Alexanders. In woods. 



Thaspium barbinode (Michx.) Nutt. Bearded Meadow- Parsnip. Along the Dela- 

 ware, (M. C). 



Angelica villosa (Walt.) B. S. P. Hairy Angelica. Tullytown; Rockhill. 



Oxypolis rigidus (L.) Raf. Cow-bane. Tullytown; Penn Valley. 



Pastinaca sativa L. Wild Parsnip. Waste places and roadsides. 



Heracleum lanatum Michx. Cow-Parsnip. Andalusia; Quakertown, Gottleib Frey; 

 Doylestown, Prof. A. S. Martin. 



Daucus Carota L. W^ild Carrot. A common weed in fields and waste places. 



Family 3. Cornaceae Link. 



Cornus florida L. Flowering Dogwood. In woods. 

 Comus circinata L'Her. Round-leaved Cornel. In rocky woods. 

 Cornus Amomum Mill. Silky Cornel. Kinnikinnik. Along streams. 

 Cornus candidissima Marsh. Panicled Cornel. In rich soil. 



