No. 20.] 



61 



Scirpus maritimus, var. fluviatilis 

 Torr. 



— atrovirens, MuJil. 



— brunneus, Muhl. 



— eriophorum, Michx. 



— lineatus, Michx. 

 Eriophorum alpinum, Linn. 



— vaginatum, Linn. 



— polystachyon, Linn. 



— angustifolium, Roth. 

 Fimbristylis spadicea, Vahl. 

 Isolepis capillaris, Rcem. <f- Schult 

 Trichelostylis mucronulata, Tor?-. 

 Rhynchospora alba, Vahl. 



— capillacea, Torr. 



— fusca, Roem. fy Schult. 



— gracilenta, Gray. 



— glomerata, Vahl. 



— cephalantha, Gray. 

 Cladium mariscoides, Torr. 

 Scleria reticularis, Michx. 



— laxa, Torr. 



— triglomerata, Michx. 



— pauciflora, Muhl. 



— verticillata, Muhl. 

 Carex dioica, Linn. 



— pauciflora, Light/. 



— polytrichoides, Muhl. 



— willdenovii, Schk. 



— steudelii, Kth. 



— backii, Boott. 



— bromoides, Schk. 



— siccata, Dew. 



— sartwellii, Dew. 



— teretiuscula, Good. 

 * — paniculata, Linn. 



— decomposita, Muhl. 



— vulpinoidea, Michx. 



— stipata, Muhl. 



— alopecoidea, Tuckerm. 



— sparganioides, Muhl. 



— cephalophora, Muhl. 



— muhlenbergii, Schk. 



Carex rosea, Schk. 



— retroflexa, Muhl. 



— chordorhiza, Ehrh. 



— gracilis, Ehrh. 

 (disperma, Dew.) 



— trisperraa, Dew. 



— tenuiflora, Wahl. 



— canescens, Linn. 



— devveyana, Schw. 

 ■ — stellulata, Good. 



* — sychnocephala, Carey. 



— scoparia, Schk, 



var. lagopodioides, Torr. 



— festucacea. Schk. 



— straminea, Schk. 



— rigida, Good. 



* — torta, Boott. 



— vulgaris, Fries, 

 (ccespitosa, Good. &Amer. a 



not of Linn.) 



— stricta, Lam. 

 (avigustata, Boott.) 



— aquatilis, Wahl. 



— crinita, Lam. 



— limosa, Linn. 



— buxbaumii, Wahl. 



— aurea, Nutt. 



— livida, Willd. 



— tetanica, Schk. 



— crawei, Devj. 



— granularis, Muhl. 



— pallescens, Linn. 



— conoidea, Schk. 



— grisea, Wahl. 

 (laxiflora, Schk., not of Lam.) 



— davisii, Torr. §• Schw. 



— formosa, Dew. 



— graciliima, Schw. 



— vlrescens, Muhl. 



— triceps, Michx. 



— plantaginea, Lam. 



— careyana, Dew. 



— retrocurva, Dew. 



— digitalis, Willd. 



