INDEX OF STARCHES. 



Piper sidafolia. Seed, 2S7 



Piptatherum multifioruin Beauv. Seed, 276 



Pircuiiia latbonia Moq. Seed, 292 



Pisonia aculeata Liun. Seed, 203 



Pistia stratiotes linn. Seed, 265 



texensis Kltzsch. Seed, 265 

 Pisum. Seed, 26S 



Pisum sativum Linn. Seed, 65, 72, 174, 176, 178, 190, 



210, 2(38 



var. (Electric Extra Early) Hort. 



Seed, 107 



(Eugenie, Green) Ilorl. Seed, 402 



(Eugenie, Yellow) Hort. Seed, 404 



(Large White-AIarrowfat) Hort. 



Seed, 409 

 (Mammoth Grey Seeded) Hort. 



Seed, 408 

 (Thomas Laxton) Hort. Seed, 406 

 Pitcairnia albucajfolia Schrd. Seed, 202, 264 



punicea Lindh Seed, 202, 264 

 Plantago maritima Liun. Root-stock, 237, 271 



media Linn. Root-stock, 237, 271 

 Platanthera bifolia Rich. Tuber, 235 

 Plectopoma fimbriatum Hanst. Root-stock, 231 

 Plumbagella micrantha. Seed, 249 

 Plumbaginaeea;. Seed, 248 

 Plumbago micrantha Led. Seed, 249 

 Poa nemoraUs Linn. Seed, 281 

 Podophyllum peltatum Linn. Root-stock, 72, 239, 274 

 Polemonium reptans Linn. Root-stock, 237, 259 

 Polycarpoea leneriffiE Lam. Seed, 291 

 Polycnemum majus A. Br. Seed, 289 

 PoIygonaceiB, 418-420 



Underground parts, 236 

 Polygonum alpinum All. Trunk, 230 



a\dculare Linn. Root, 230, 270 

 bistorta Linn. Root-stock, 188, 230 

 convolvxilus Linn. Root, 236, 270 

 fagopyrum Linn. Seed, 181, 184, 188, 203, 

 254 

 var. Hort. Seed, 418, 419 

 orientale Linn. Seed, 203 

 tinctorium Lour. Seed, 202 

 viviparum Linn, Root-stock, 236 

 Polypodium distans Kaulf. Root-stock, 237 

 vulgare Linn. Root^stock, 237 

 Polypogon monspeliensis Dsf. Seed, 278 

 Polystichum thelj^Jteris Roth. Root-stock, 233 

 Pommerculla royleana Steud. Seed, 280 

 Pontederia sp. Seed, 208 

 Portulaca grandiflora Hook. Seed, 290 



Root, 241, 261 

 megalantha Steud. Seed, 290 



Root, 241, 261 

 Potamogeton natans Linn. Seed, 209 



pralongus Wulf. Seed, 209 

 Potentilla aurea Linn. Root-stock, 203 



tormentilla Linn. Root-stock, 242 

 Pothos acaulis Linn. Seed, 209 

 Potomorphe sidicfolia Miq. Seed, 287 

 Primula calycina Dub. Root, 238, 260 

 glaucescens Mor. Root, 260 

 officinalis Jacq. Root-stock, 238 

 Protium pubescens. Dry cotyledons, 267 

 Prunus virginiana, 71_ 

 Pailurus nardoides Trin. Seed, 285 

 Psittacanthus vellozianus Mart. Seed, 219 

 Pteridophyta. Green parts, 268 

 Pterostegia drymarioides F. M. Seed, 202 

 Ptiloneilema plumosum Steud. Seed, 279 

 Punica granatum Linn. Root, 242 

 Pupalia prostrata Mart. Seed, 289 

 Puflehkinia libanotica Zuce, Bulb. (See P. scUloides 

 var. libanotica.) 

 scilloides Adams. Bulb, 551 



var. libanotica Boiss. Bulb, 552 



Puschkinia siccula Hort. Bulb. (See P. scilloides var. 



libanotica.) 

 Pyrola rotundifolia Linn. Root-stock, 238, 260 

 Pyrus communis Linn. Seed, 267 

 maliis Linn. Fruit, 262, 267 

 Quassia, 71 



Quercus. Seed, 59, 176, 178 



Quercus acuminata Sarg, Seed. (SeeQ.muelilenbergi.) 

 alba Linn. Seed, 421 

 ambigua Michx. Seed. (See Q. rubra,) 

 banisteri Michx. Seed. (See Q. ilicifolia.) 

 castaneaWilld. Seed, (SeeQ.muelilenbergi.) 

 cerris Linn. Seed, 248 

 femina Mill. Seed. (See Q. pedunculata.) 

 ilicifoUa Wangh. Seed, 248 

 muehlenbergi Englm. Seed, 423 

 montana Willd. Seed. (See Q. prinus.) 

 nana Sarg. Seed. (See Q. ilicifoha.) 

 pedunculata Ehrh. Seed, 181, 182, 248, 273 

 prinus Linn. Seed, 424 



var. acuminata Michx. Seed. (See Q. 

 muehlenbergi.) 

 monticolla Michx. Seed. (See Q. 

 prinus.) 

 robur Liim. (See Q. pedunculata.) 



var. pedunculata DC. Seed. (See Q. 

 pedunculata.) 

 rubra Linn. Seed, 426 

 texana Buckl. Seed, 427 

 Quillaya, 72 

 Ranunculus aconitum Linn. Root, 228 



bulbosus Linn. Root, 217, 272, 867 



Pollen, 243 

 ficaria Linn. Root, 228, 239, 252, 868 

 flammula Linn. Root, 261 

 garganicus Ten. Root, 217 

 pyrcna;us Linn. Root, 239 

 rutxfohus Linn. Root, 261 

 speciosus Hort, Root. (See R. bulbosus.) 

 thora Linn. Root, 261 

 Ranunculaceis, 865-869 

 Reaumuria vermiculata Linn. Seed, 293 

 Restio ferruginosus Link. Seed, 286 



incurvatus Thbg. Root-stock, 256 

 Reussia triflora Endl. Seed, 208 

 Rhamnus purshiana, 71 

 Rheum hybridum Ait. Seed, 202 



rhaponticum Linn. Seed, 187, 202 

 undulatum Linn. Root, 257 

 sp. Root of rhubarb, 72, 257 

 Rhipsalis funalis Salm. Stem, 240 

 Rhizophora mangle Linn. Root, 228 

 Rhyncospora fusca R. S. Seed, 247 

 Richardiaxthiopica Hort. Rhizome. (SeeR.africana.) 

 africana Kunth. Seed, 286 



Rliizome, 451 

 albo-maculata Hook., 452 

 elliottiana Knight, 449 

 solfatarre Hort. Rhizome. (Plate 16, fig. 94.) 

 Richardsonia scabra Kth. Root, 215, 271 

 Riedleia corchorifolia DC. Seed, 220 

 Rivina purpurascens Schrd. Seed, 292 

 Romulea rosea var. speciosa Baker. Bulb, 750 

 Rottboella arundinacea Hclist. Seed, 201, 264 



campestris Nutt. Seed, 264 

 Rubus, 72 

 Rumex, 72 



acetosa Linn. Root-stock, 236, 270 

 I arifolius AJl. Root-stock, 236, 257 



crispus Linn. Root, 236 

 ' maritimus Linn. Root, 236, 271 



obtusifolius Linn. Root, 236 

 patientia Linn. Seed, 203 

 sanguineus Linn. Root, 236 

 tuberosus Linn. Root, 257 

 Ruppia maritima Linn. Pollen, 243 

 H] 



