Dicotyledons. 



4!>7 



5400 



PseudocymopteruB [[Jml)plliferae]. 

 CnL'I.TKIt and K'osE. fiO?!!. 



Pseudolopezia n. gen. [Onagrarieae]. 

 Ru8E. r>.".M"j. 



Pseudomachaerium n. gen. [I,egiinii- 

 nosae]. llAfisi.Kii. r)l'IU7. 



Pseudopalma n. sect, (of Fieus). 

 Elm Kit. aOtlof). 



Pseudopavonia ii. gen. [Malvaceae]. 

 IIassi.ku. r.iiio. 



Psidium [Mvrfaccae]. Uorn-miller. 

 50041 ; CiK.i.Ai et Hassler. 50041. 



PsUotrichiim [Amarantaceae]. Baker 

 and C'l.AUKE. 49250. 



Psychotria [Rubiaceae]. Elmer. 

 50G0G, 11, 15; (.Ilaziou. 51101; 

 Krause. 52088 ; Linoelsheim, Pax und 

 Winkler. 52428; Merrill. 52800; 

 Moore. 51061 ; Rechikqer. 53670; 

 Valeton. 54891. 



PsyllocarpuB [Rubiaceae]. Glazioc. 

 51101. 



Pterocarpus [Leguminosae]. Engel- 



HAUDT. 5IJ024. 



Pterocaulon [Compositae]. Malme. 

 52657. 



Pterocymbium [Sterculiaceae]. El- 

 MEU. 5(}t;06. 



Pterolepis [Melastomaceae]. Cooniaux 

 et alii. 50133. 



PteroBpermites [Sterculiaceae]. Berry. 

 49471. 



PtUinmium [Umbelliferae]. Coulter 

 and Rose. 50214. 



Ptilochoela [Malpighiaceae]. Chodat 

 et Hassler. 50041. 



Ptilotus [Amarantaceae]. Faruar. 

 50708. 



Pueraria [Leguminosae]. Chiovenda. 

 50022. 



Pulicaria [Compositae]. Molliard. 

 52918; ViEKiiAPPER. 54925. 



Pulmonaria [Boragineae]. Levitskij. 

 52368. 



Pycnanthus [Mvristicaceae]. Staff. 

 54500. 



Pycnocoma [Euphorbiaceae]. Pax. 

 53307, 08. 



PygeumfRosaceae]. Elmer. 50611. 



Pyrenacantba [Icacineae]. Engler. 

 50631. 



Pyrethrum [Cuinjuisiiai-]. Bniin/.i- 



LOViSKIJ. I9('pOC. ; iiuUNMi'LLEU. 49611. 



Pyrola [Eric]. Kouiionem. 52033; 

 Seekkied. 54246. 



Pyrus [Rnsaocae]. I'lodovodstTo 

 St. I'eterbiug 1908 (!)47 - 949) 

 Bedini. 49383 ; Buedt. 49094 

 BuBAK. 49827 ; Cavazza. 49962 

 Daniel. 50316 ; Doktorwicz-Hrebnicky 

 .50436 ; Focke. 50833 ; Glaab. 51097 

 Laubert. 52235 ; L^yeill^. 52359 

 Pa§kevi6. 53281, 82 ; Staff. 54494 

 Weevers. 55073. 



Quamoclidion [Nyctagineae]. Stand- 

 ley. 54499. 



Quamoclit [Convolvulaceae]. House. 

 5 1 658. 



Quercinium-j- [Cupuliferae]. Schuster. 

 54192. 



Quercus [Cupuliferae], Berry. 



49470, 71; Britten. 49739; Duboys. 

 50510; Dunn. 50527; Ferraris. 

 50761 ;Gard. 50999 ; Gillot. 51084; 

 GuiNiER. 51273; Jack. 51737; Kern. 

 51960; Letacq. 52340; MacDougall. 

 52600; Merrill. 52809; Michajlov. 

 52849 ; Moss. 52976 ; Schiller-Tietz. ■ 

 54066 ; TuzsoN. 54859 ; Wachtl. 

 54994 ; Zatorin. 55358 ; Zederbauer. 

 55,361. 



Quiina [Guttiferae]. Pulle. 53575. 



Quincula [Solanaceae]. Nelson. 

 53073. 



Rafflesia [CytinaceaeJ. Ernst und 

 SciiMiD. 50664. 



Ramirezella [Leguminosae]. Rose. 

 53829. 



Randia [Rubiaceae]. Elmer. 50006 ; 

 Kr.\use. 52988. 



Ranunculaceae. 

 54147. 



Scdrodinoer. 



V. Aconitum, Actaea, 



Adonis, Anemone, Aquilegia, Batra- 

 cliium, Clematis, Coptis, l)elphinium, 

 Helleborus, Hepatica, Hydrastis, 



Isopyrum, Nigella, Paeonia, Ranunculus, 

 Syndesmon, Thalictrum. 



Ranunculus [Ranunculaceae]. Collin. 

 50145; Giraudias. 51092; Keegan. 

 51870 ; Leveille. 52359 ; Mayer. 52768 ; 

 I'ERRiRAz. 53379 ; Rendle. 53706 ; 

 Seefried. 54246. 



Rapanea [Myrsineae]. Mez. 52843, 

 44. 



