952 BULLETIN DE l'hERBIER BOISSIER. 



148. — Prunus Armeniaca app. II, 206 ; Avium 70, 83, 86; cerasus 83 ; divari- 

 cata 70; domestica app. II, 206; spinosa 81, 743. — Psalliota africa app. III, 

 S ; amboensis app. III, 5. — Psamma arenaria 220, 284, 287, 290, 297, 309. — 

 Pseudogaltonia Pechuelii app. III, 43. — Pseudoleskea atrovirens 7, 701; 

 oiigoclada 7; rigescens 7; stenophylla 7. — Pseudovalsa lanciformis 80. — 

 Psilostachys gnaphalobrya app. II, 165. — Psilostenum Creticum 33. — Psi- 

 lotrichum cordatum app. II, 165. — Psora vesicularis 535. — Psoralea cory- 

 lifolia app. II, 245; dentata 228. — Psyllothamnus Beevori app. II. 176. — 

 Pteridis biaurita 659. — Pteryginandrum filiforme heteropterum 698. — 

 Pteris Aquilina 71, 554; biauritum 666; Kleiniana 666; marginata 658; mollis 

 658; quadriauritum 666. — Pterocarpus abyssiniens app. II, 250; Incens 

 app. II, 250. — Pterocarya caucasica 65, 70. — Pterocelastrus Galpinii 431 ; 

 rostratum 432. — Pterocephalus Broussonetti 224, 303, 311 ; diandrus 224, 

 303 ; Parnassi 634. — Pterodiscus angustifolius 453 ; aurantiacus 453 ; Kelle- 

 rianus 453; luridus 453; speciosus 453. - Pterogonium gracile 10. — Ptero- 

 lepis pumila 174; pumila v. robusta 175. — Pterolobium abyssinicum app. II, 

 222. — Pteromonas alata 277, 278, 279 ; angulosa 278, 279. — Pterospartum 

 scolopendriura 223, 293, 303, 305; stenopternm 223, 292, 303, 306. — Ptycho- 

 cium plicatum 701, 708. — Puccinia Mesembryanthemi app. III, 4. — Puli- 

 caria microcephala 216, 294; vulgaris v. gr8eca634. — Pulsatilla caffra 423. — 

 Punica granatum 70. — Pupalia atropnrpurea 422; lappacea app. II, 164. — 

 Putoria calabrica 204, 631. — Pycnocomon rutsefolium 310. — Pycnostachys 

 congensis 819 ; micrantha 819 ; Schweinfurthü 819. — Pylaisla polyantha 697. 

 — Pyrenodesmia variabilis 534. — Pyrenula Kunthii 170, 177. — Pyrethrum 

 alpinum 154. — Pyrola uniflora 703. — Pyrus amygdaliformis 28 ; communis 

 70. — Pyxine retirngella v. endoxantha 91 ; retirugella v. endoxaniha f. sore- 

 diosa 91; retirugella f. sorediigera 91. 



yuercus Coccifera 65, 75, 203, 217, 218, 622; Hex 65, 75, 737; pontica 

 65, 72, 73; X Rechini app. I, 3, 6 ; sessiliflora 70, 71; sessiliflora v. pubescens 

 650; Toza X pedunculata app. I, 3, 6. 



R, 



lacodium pylhiophilum 751. — Radiola linoides 221. — Radula com- 

 planata 379; multicarinata 379. — Ramalea cochleata 88; coilophylla 89. — 

 Ramalina calycaris 530; calycaris v. canaliculata 530; calycaris v. fastigiata 

 530; calycaris v. fraxinea 530; farinacea 530; fastigiata 530; fraxinea 530; 

 fraxinea v. fastigiata 530 ; geniculata v. compacta 88 ; melanothrix app. III, 6 ; 

 pollinaria 530. — Ranunculus aconitifolius 146, 732; adscendens 210; Broteri 

 210; calthaefolius 23; chr-erophyllos 23; concinnatus 610; confusus v. hetero- 

 phylliis app. I, 3, 4; Creticus 23; Flammula 221, 227; Forskahlii app. II, 178; 

 glacialis 146; lanugiaosus 732; lapponicus 610; membranaceus app. II, 178; 



