Plumiera rosea 315. 
Poa leptoclada 115, A 124; simensis TI, A122. 
Podaxon mossamedensis 61. 
Podocarpus elongata 92, A129, 134, B 287, Taf.l; 
falcata 92, A 117, 118, B 287, Taf. II; Mann 
92, A 1.19, 1225 125, 120, 130, B 297 hat. T. 
milanjiana 92, A 132, B 237. 
Podogynium capparidaceum Taub. A 92. 
Pogonia carinata 154. 
Poinciana elata 202, A 43, 60; regia 202, B 528. 
Polanisia bororensis 184; dianthera 184; hirta 
184. A 21, 33, 64, B 156; strigosa 184, A II; 
viscosa I84, A 2r. 
Pollia condensata 134; cyanocarpa K. Sch. A 91. 
Pollichia campestris A 21. 
Pollinia villosa 96, A 108. 
Polybotrya acrostichoides 80; tenuifolia 80. 
Polycarpaea corymbosa 177, A21, 23; lineari- 
folia 177. 
Polycline gracilis 411; psyllioides 411, A 56; 
Stuhlmannii 411, A 64. 
Polygala acicularis 234, A 54; amboniensis 234, 
A21; aphrodisiaca 234, B 514; bukobensis 
233, A67; conosperma 235; Ehlersii 233; 
erioptera 234, A 54; Fischeri 233, A 23, III; 
Gagnebiniana 223, A23; Gomesiana 234, A42; 
kilimandjarica 233, A 108; Lentiana 233, A 54; 
Imıfola 234; maxima 233, A 100, b 5295 
modesta 234, A 57; persicariifolia 234, A 115, 
133; petraea 234; pygmaea 234; rariflora 234; 
Sadebeckiana 233; sansibarensis 233; senensis 
233; Stanleyana 234, A 117; Stuhlmannii 234; 
ukambica 234, A 54; ukirensis 234; usamba- 
rensis 233, A 110; viminalis 234; virgata 235, 
A 132; Volkensii 234, A 54; wadibomica 233, 
A 80. 
Polygonum acuminatum 170, A 102; adenophyllum 
170; barbatum 169, A 116; Buchananii 170; 
erythropus 170; glabrum 170; herniarioides 
169; lanigerum 170; nepalense 170; nodosum 
I70; serrulatum 169, A 80, 116; Poiretii 170, 
A 100; senegalense 170, A 116; setosulum 
169; strigosum 170, A 116; tomentosum 170, 
A 80; tumidum 170; sp. B 151. 
Polypodium floccigerum 87; incanum 86; lanceo- 
latum 86, A 84, 123; lineare 86, A 88; Loxo- 
gramme 87, A 88, 94, 123, 134; lycopodioides 
86, A 92, 130; Phymatodes 87, A 84, 92, 114, 
129; punctatum 87, A 84, 92; rigescens 86, 
A134; scolopendrinum A 134; simplex 87; 
trichomanoides 86; Willdenowii 87, A 84, 114, 
123, 134. 
Polypogon monspeliensis 108. 
Polyporus arcularius 57; gilvus 56, A 29; grammo- 
cephalus 57, A84; imberbis 56; melanopus 57; 
pruinosus A29; raduloides 56; squamulosus 
57, B 164; Telfairii 56; veluticeps 56; vibe- 
cinus 57, A 84, B 164. 
Polyscias Stuhlmannii Harms A 130. 
Polysiphonia glomerulata 28. 2 
Polysphaeria lanceolata 383; multiflora 383; nerii- 
folia 383; parvifolia 383, A 29; Schweinfurthii 
383- e 
Polystachya caespitifica 155, A 84; capensis 155; 
cultriformis 155, A 84, 123; fusiformis 155, 
A 88, 109; gracilenta 155; Kilimandschari 155; 
polychaete 155, A 94; rufinula 155; Shega 
25 
I55, A 98; shirensis 155, A 88, 109; spatella 
155; stauroglossa 155; Stuhlmannii 155, A 94; 
Tayloriana 155. 
Polystictus affınis 57; aratus 57; cervino-nitens 57; 
flabelliformis 57, A 88; hirsutus 57; Holstii 
57, A 16; Kurzianus 57; leoninus 57; luteus 
57, A 84; luteus v. bukobensis 57; occidentalis 
57, A 32, 84, 88; Persoonii 57, A84; sacer 58; 
sanguineus 57; tabacinus 57; velutinus 57; 
versicolor 57; vibecinus A 76 — Polyporus 
vibecinus; xanthopus 58. 
Polytrichum  Hóhnelii 72, A 124; Holsti 72; 
nanoglobulus 72, A 136; pungens 72, A 136; 
Stuhlmannii A 133; subpilosum 72; usam- 
baricum 72. 
Porana densiflora 329, A 29, 74. 
Poria borbonica 56; Büttneri 56; cavernosula 56. 
Porina africana 47; mastoidea 47; Patellula 47. 
Porotrichum caudatum 73, A 112; comorense 74, 
A 85, 112; Engleri 74; oblongifrondeum 74, 
A II2; penniforme 73, A 112; pterops 73, 
A112; ruficaule 73, A 112; Stuhlmannii 74, 
A 94; subpenniforme 73, A 123; usagarum 73. 
Porphyrosiphon Notarisii 9. 
Porphyrostemma Grantii 409. 
Portulaca Fischeri 176; foliosa 176; oleracea 176, 
B 153; quadrifida 176, A So. 
Potamogeton fluitans 93, A66; javanicus 93, A66; 
lucens 93, A 66; pectinatus 93, A 66; plan- 
tagineus All. A 80. 
Pouzolzia procridioides 164. 
Premna Hildebrandtii 338; 
sansibarensis 338, A27, 73; 
velutina 338. 
Pretrea zanquebarica 365, A II. 
Prionitis obtusa 29. 
Prionodon Rehmanni 72, A 112. 
Priva leptostachya 338, A 89. 
Prosopis Fischeri 196, A 66. 
Protea abyssinica 165, A 104, 138, B 294; ango- 
lensis 165; kilimandscharica 165, A 135, 138; 
madiensis 165, A 103, 115, B 150; Nyasae A 131. 
Protomyces Physalidis 30. 
Psalliota Kiboga 60, B 163; Lalage 59; notha 59; 
trisulphurata 59. 
Psathyrella disseminata 59. 
Pseudarthria Hookeri 217, A 33, 53, 57, 74, 89, 108. 
Pseuderanthenum dichotomum 371, A 31, 77; 
Hildebrandtii 371, A 18, 32, B 534; hypo- 
crateriforme 371; senense 371, A 76, 83. 
Pseudoblepharis Holstii 370, A 29. 
Pseudobromus silvaticus 108, A 123, 130. 
Pseudoleskea subfilamentosa 75, A 112. 
Pseudophyscia speciosa 40, A 113. 
Pseudospondias microcarpa 244, A 95, D 205. 
Psiadia arabica A 98, 106; dodoneifolia 407; 
inuloides 407, A 125; punctulata 407. 
Psidium Guayava 287, B 220. 
Psilocybe albo-quadrata 59; atrorufa 59. 
Psilotrichum africanum 173, A 18, 31, 46, 74; 
cordatum 173. 
Psilotum triquetrum 91, A 84. 
Psophocarpus longepedunculatus 224, A 74, B 124, 
Taf. XXIV. 
Psoralea foliosa 211, A 135, 137. 
Holstii 338, A 14; 
senensis 338; 
| Psorospermum albidum 274; febrifugum 274, A 50; 
Stuhlmannii 274. 
