INDEX. 



487 



Porta, Eev. Pietro, Alpine plants, i 



120, note. 

 Portulaca oleracea, Linn., 158. 

 Potamogeiton Jluviale Sargazo simile, 

 Jucens, foliis maryine dentatis, 

 Pluk., 379, 390. 

 Potamogeton augustanus, Balb., 208. 



compressus, Linn., 208. 



crispus, Linn., 208. 



densus, Linn., 208. 



var. angustifolius, Koch, 



208. 



jluitans. Roth, 208. 



gramineus, Linn., 208. 



var., 208. 



lucens, Linn., 208. 



marinus, Linn., 208. 



natans, Linn., 208. 



var., 208. 



pectinatus, Linn., 208. 



perfoliatus, LAnn., 208. 



plantagineus, Du Croz, 208. 



pusillus, Linn., 208. 



rufescens, Schrad., 208. 

 Potentilla alba, Linn., 154. 



alpestris, Ball. /., 1 54. 



var., 154. 



amhigua, Gaudin, 154. 



Anserina, Linn., 154. 



argentea, Linn., 154. 



var., 154. 



aurea, Linn., 154. 



camonia, liota, 154. 



caulesceiis, Linn., 154. 



var., 154. 



cinerea, Chaiv, 154. 



Clusiana, Jacq., 156. 



collina, Wibel, 154. 



Fragariastrura, Ehrh., 154. 



frigida, Vill, 154. 



grammopetala, Moretti, 154. 



grandiflora. Linn., 154. 



var., 154, 



hirta, Linn,, 154. 



iuclinata, Vill, 154. 



intermedia, Linn., 154. 



lacinlosa, Lehm., 154. 



miuiniii, HaU. f., 154. 



mnltifida, lAnn., 154. 



nitida, Linn., 154. 



nivea, Linn., 154. 



norvegica, Linn., 154. 



opaca, AIL, 154. 



j)edemont(tna, Eeut., 154. 



petiohdata, Gaudin, 154. 



■^isilla. Host, 154. 



Potentilla recta, Linn., 154. 



var., 154. 



reptans, Linn., 154. 

 rupcstris, Linn., 154. 

 Saxifraga, J>-cZ., 154. 

 supina, Linn., 154. 

 Tormentilla, 5/6^;i., 154. 

 Valderia, Linn., 156. 

 verna, Linn,, 154. 



varr., 154. 



Poterium dict5'ocarpum, Spach, 156. 

 polj-gamura, lFr/?fi?^ <^ A'i^., 156. 

 Prain, D., Najas lent by, 387. 

 Prenanthes purpurea, Linn., 180. 



var., ISO. 



tenuifolia, Linn., 180. 

 Prickles of Victoria regia, etc., 288. 

 Primula, lAnn., in tbe Alps, 121. 

 acaulis, Jacq., 198. 

 AUionii, Lois., 200. 

 Auricula, Linn., 200; stele of, 

 279. 



var., 200. 



calycina, Dahy, 200. 

 carniolica, Jacq , 200. 

 cdiuta, Moretti, 200. 

 elatior, Jacq., 198. 

 Facchitiii, Schoit, 200. 

 farinosa, Linn., 198. 

 glutinosa, Widf., 200. 

 integrifolia, lAnn., 200. 

 latifoliii, Lapeyr., 200. 

 longiflora, All.,\m. 

 marginata, Cart., 200. 

 minima, fjinn., 200. 

 oenensis, Tliom., 200. 

 officinalis, Jacq., 198. 



var., 200. 



pedemontana, Thorn., 200. 

 rhaetica, Gaudin, 200. 

 spectabilis, TratU, 200. 

 suavi'olens, Bert., 200. 

 tyrolcnsis, Schott, 200. 

 venusta, ^o.s«, 200. 

 villosa, Jacq., 200. 



var.glandulosa, Z>M&j/, 200. 



var. pygratea, Ball, 200. 



var., 200. 



Prionochilus vincens, fertilizing 



Loranthus, 97. 

 Protoceratium reticulatum, Clap. 



Lack., mentioned, 328. 

 Protococcace.e, from Lake Alastra, 



41. 

 Prumnopitys elegans, Phil., 315. 

 Prunella alba, Pall, 198. 



Prunella grandiflora, Linn., I}<8. 

 hyssopifolia, Linn., 198. 

 vulgaris, Linn., 198. 

 Prunus Avium, Linn., 152. 

 brigantiaca, Till., 152. 

 Chamaeccrasus, Linn., 152. 

 instititia, Linn., 152. 

 Mahaleb, Linn., 152. 

 Padus, Linn., 152. 

 spinosa, Linn., 152. 

 Psilurus nardaidcs, IVui., 226. 

 Psoralea bituminosa, Linn., 15('. 

 Ptarraica atrata, DO., 172. 

 Clavennas, DC, 172. 

 Herba-rota, Z)C., 172. 

 macrophylla, DC, 172. 

 moschata, 7X7., 172. 



var. /3 hybrida, Gawlin. 



172. 

 nana, OC, 172. 

 oxyloba, DC, 172. 

 vulgaris, i)C., 172. 

 Pteris, LJnn., steles changed in num- 

 ber, 279. 

 Pterotheca nemausensis, Ca.<ss., 180. 

 Ptychodisce.c, 322. 

 Ptychodiscus, Stein, 322. 



Noctiluca, Stein, 322, 339, 340, 

 340/1, 340/2, 340/3, 340/4. 



var. fimbriatus, Murr. A 



Whitt.*, 322. 

 Ptychosperma filifera, JL WenJl., 

 roots of, 280. 



Cunniiighamii, IL Wendl., roots 



of, 280. 

 elegans. Plume, 280. 

 Ptychotis heterophylla, J\och, 162. 

 Pulegium vulgare, Mill., 194. 

 Pulmonaria aiigustifolia, Linn., 190. 



var., 190. 



azurea, Bess., 190. 

 mollis, Wolff, 190. 

 officinalis, Linn., 190. 

 Pumping method, employed for ob- 

 taining Pcridiniacea;, 321. 

 Pyrocystis bicornis, Blachn., 338/1, 

 340, 340/1, 340/2, 340/3, 340/4. 

 fusiformis, ./. Murr,, 337, 338, 

 338/1, 340, 340/1, 340/2, 

 340/3, 340/4. 

 Lunula, Schuetl, 337. 338/1. 

 339, 340,340/l.:U(ii'. 340/3, 

 340/4. 

 Noctiluca, /. Mnrr., .337, 338, 

 338/1,330,340, 340/1, 340/2, 

 340/3, 340/4. 



4d2 



