NATIVE AND NATURALIZED PLANTS OF SOUTH CAROLINA. 343 



4. SPOON FLOWER. Xanthosoma sagittifolium. 



5. GOLDEN CLUB ; WATER DOCK. Orontium aquaticum. 



6. CALAMUS. Acorus Calamus. 



ORDER CXII. DUCK-WEED FAMILY. LEMNACEiE. 



L DUCK-WEED. Lemna minor, and two other spe- 



cies. Very small aquatic plants 

 floating in still water. 



ORDER CXIII. CAT-TAIL FAMILY. TYPHACE^. 



1. CAT-TAIL. Typha latifolia. 



2. BUR REED. Sparganium ramosum. 



ORDER CXIV. POND WEED FAMILY. NAIADACE.E. 



1. EEL GRASS ; SEA WR \CK. Zostera marina. 



2. DITCH GRASS. Ruppia maritima. 



3. POND WEED. Potamogetonpectinatus, and four 



other species. 



ORDER CXV. WATER PLANTAIN FAMILY. ALISMACEtE. 



1. WATER PLANTAIN. Alisma Plantago. 



2. ARROW GRASS. Triglochin triandrum. 



3. ARROW LEAF. Sagittaria variabillis, and four 



other species. 



ORDER CXVL FR0G3BIT FAMILY. HYDROCHARIDACEiE. 



1. WATER WEED. Anacharis Canadensis. 



2. TAPE GR.iSS. Valisneria spiralis. 



3. FROG BIT. Limnobium Spongia. 



ORDER XCVII. ORCHIS FAMILY. ORCHIDACE.E. 



1. ADDER'S MOUTH. Microstylis ophioglossoides. 



2. TWINING BL\DE. Liparis liliifolia. 



3. CORAL ROOT. Corallorhiza odontorhiza. 



4. PUTTY ROOT. Aplectum hiemale. 



