INDEX TO THE ORDERS AND GENERA. 
Pollich‘ia ; after a German botanical author 
Polycalym'ma ; Gr. having many coverings 
Polycarpx'a ; only indicating its affinity to 
Polyear’pon ; Gr. many-fruited. All-seed 
Polyene’mon ; Gr. having many-kneed or jointed stems 
Polyg‘ala ; Gr. much-milk, from cows feeding on it 
Polyga ex ; from Polygala .. ne oe 
Polygona’cee ; from Polygonum. Knot-grass 
Polyg’onum ; Gr. polus, many, gonu, knee or joint 
Polyme’ ria; Gr. polu-meres, consisting of many rat A 
Polypo’ dium ; Gr. polu-podes, the many-footed .. 
Polypompho’ lyx ; Gr. polus, many ; pompho'lux, a bubble 
Pomader’ris ; Gr. for a cloak of undressed skin .. 
Po'max; Gr. poma, a lid (to the capsule)... ; 
Poran’thera ; having anthers opening by pores ... 
Portula‘ca ; Lat. porto, to carry, lac, milk 
Portula’cez ; from Portulaca 
Posido‘nia ; Gr. Poseidon, a god of the sea a! 
Potentil’la ; somewhat powerful, root astringent 
Potamoge’ton ; Gr. potamos, a river; geiton, near f 
Prasophy!’ lum ; ; Gr. prason, a leek, and ph inn a leaf 
Primula’ceze ; from Primula, a primrose.. : 
Prostan ‘thera : Gr. having appendaged anthers .. 
Protea‘cez ; from Pro’tea (assuming different shapes) . 
Prunel'la ; of doubtful derivation.  Self-heal 
Pseudan’ thus ; ; Gr. pseudos, false ; anthos, a flower 
Psora’ lea ; Gr. psoraleos, scurfy 
Pterig’eron ; pteron, a wing ; yero, to bear 
Pte’ris ; the bracken-fern 
Pterocau'lon ; Gr. pteron, a wing, kaulos, a stem 
Pterosty’ lis ; Gr. pteron, and stulos, the column 
Ptilo’tus ; Gr. ptilotos, feathered 
Ptychose’ ma; Gr. ptuchos, of a fold, sem, a standard. 
Pultene’a ; after Dr. Pulteney, a botanical writer 
Quine'tia ; a personal name. 
Ranuncula’ cee ; from Ranunculus... 
Ranun’culus ; diminutive of TANG, ‘fr og.. 
Restia‘ceze ; from Restio; vestis, a cord ... 
Res'tio ; some species used for cordage 
Rhamna‘cez ; from Rhamnus. Buck-thorn 
Rhago'dia ; Gr. ragodes, bearing berries .. ae 
Rhizosper’ mee ; having rooting seeds or spor OS: 415 
Rhyncho’sia ; Gr. having a beaked keel . ee 
Ricinocar’ pus ; Gr. Ricinus (castoroil- plant) -fruited 
Roche'lia ; after a botanical author 
Rosa/cex ; from Rosa, the Rose am 
Rota‘la ; vota, a wheel; leaves whorled ... 
Rubia‘cez ; from Ru’‘bia, the Madderwort 
Rubus ; Lat. abramble... 
Ruel'lia ; after the author of De Natura Plantaru um (1536) 
U 
109, 
1 a7, 138 
201, 202 
151 
96 
8, 137 
149, 159 
- 7, $1 
149, 150 
58, 63 
139, 140 
ee 7, 85 
88 
8, 106 
86 
154 
