314 



Rhodora 



[Dkckmber 



191; pulcher, 164. 189, 300; 

 spathaeformis, 190,191;spathulae- 

 forniis, 190; spathuliformis, 190; 

 vaginatus, 104, 191; varians, 

 190, 191; Zizii X grainineus, 191. 



Potent ilia, 9S; Anserina, var. seri- 

 cea, 267; canadensis, var. simplex, 

 9N; frntieosa, 101, 207; procum- 

 bens, 155, 107; recta, 207;triden- 

 tata, 138, forma hirsntifolia, 27. 



Prasinocladns, 250, 251; subsalsa, 

 250. 



Preliminary Lists of New England 

 Plants— XXVUL, 209. 



Prenanthes, 300; altissima, 



forma hispidula, 300, var. his- 

 pidula, 300; trifoliolata, 157. 



Primula, 302; farinosa, var. macrn- 

 poda, 139, 280; mistassiniea, 25. 



Proserpinaca, 117; intermedia, 117, 

 Kit); X intermedia, 277; palustris, 

 117, 165, 277; pectinate, 117 

 165, 168, 277. 



Primus hortulana, 180; serotina, 

 272. 



Pteretis nodulosa, 130, 164, 170, 

 180. 



Puccinellia maritima, 94, 102, 

 231; paupercula, var. alaskana, 

 231. 



Pyrenothrix nigra. 184. 



Pyrola chlorantha, 278, var. pauci- 

 folia, 278; rotundifolia, var. 

 americana, 27S, var. arenaria, 

 97, 13S, 27<S; secunda, var. obtus- 

 ata, 146, 278. 



Pyrus americana, Kit), var. ilecora, 

 266; arbutifolia, 156, 266, var. 

 atropurpurea, 156, 266: Aueupa- 

 ria, 266; dumosa, 266; melano- 

 carpa, 266; occidentals, 266; 

 sambucifolia, 266; sitchensis, 260. 



Radula obconica, 284. 

 Ranunculus, 131; abort ivus, 133, 



264; Flammula, 157, 264; 



Purshii, 131, 133, 164, 170, 264; 



recurvatus, 136, 164, 170, 204; 



sceleratus, 71; septentrionalis, 71. 

 Hare Plants from Knox County, 



Maine, Some, 198. 

 Red Oak, 91; Pine, 91. 

 Report of the Committee on 



Floral Areas, Third, 209. 

 Reports on the Flora of the Boston 



District,— XXXIV. 113. 

 Revision of Hvdrangea arborescens, 



A critical, 203. 



Rhamnus alnifolia, 274. 



Rhexia, 114; virginica, 114, 149, 

 107, 168, 276. 



Rhode Island, Three Plants new to, 

 27. 



Rhododendron atlanticum, 179; 

 canadense, forma viridifolium, 

 115, 278; carolinianum, 178, 

 var margarettae, 177; max- 

 imum, 167; minus, 17S; neg- 

 lectum, 179; Notes on, 177; vis- 

 cosum, 179. 



Rhodora, 145. 



Rhubarb, Monk's, 107. 



Rhus Toxicodendron, 135; tvphina, 

 105. 



Ribes hirtellum, var. calcicola, 

 206; lacustre, 200; triste, var. 

 albinervium, 200. 



Riccardia latifrons, 07; pinguis, 

 67. 



Riddle, Lincoln Ware [Obituary 

 Notices], 28, 181. 



Ripley, W. 8., Jr., Third Report 

 of the Committee on Floral 

 Areas, 209. 



Rosa palustris, 104, 145, 147; 

 rugosa, 272. 



Rotala, 114; ramosior, 114. 



Rubufl, 97, 101, 107. 270; abbrevi- 

 ate, 271; allegheniensis, 26s, 

 26(1; anmicola, 269; Andrewsian- 

 nus, 101, 269; arcuans, 272; 

 arenicola, 138, 270; arenioolus, 

 27(); argutus, 209; biformispinus, 

 270, 272; canadensis, 269, 270; 

 canadensis X procumbens, 270; 

 Chamaemorus, 99, 148, 165, 

 169, 268; elegantulus. 269, 270; 

 fla<jellaris,271;HagellarisXsetosus, 

 27l_; glandicaulis, 268, var. neos- 

 coticus, 26S; hispidus, 272, var. 

 major,272;hispidusXprocumbens, 

 270; hispidus X setosus, 272; 

 idaeus, 268, var. canadensis, 

 268, var. strigosus, 268; jacens, 

 272; junceus, 270; multiformis, 

 269; nigricans, 271; orarius, 268; 

 peculiaris, 271; pergratus, 271; 

 j)ergratus X procumbens, 270; 

 plicatifolius, 270; procumbens, 

 270; Randii, 270; recurvans, 270; 

 recurvicaulis, 270; setosus, 271, 

 272; tardatus, 156, 271; vermon- 

 tanus, 271. 



Rudbeckia laciniata, 298. 



Rumex Acetosa, 95, 107, 268; 

 alpinus, 107. 257; maritimus, 



