Memnonia 221, A 53; minima 221, A IŞ; 
resinosa 221, A 74; tomentosa 221, A 13, 31, 
107; usambarensis 222; viscosa 222. 
Rhynchospora aurea Vahl A 19 — surinamensis 
(Rttb.) K. Sch.; candida 127, A 67; surina- 
mensis 127; Wallichii 127. 
Rhytidachne 96. 
Riccia fluitans 62, A 66. 
Richardsonia brasiliensis 394. 
Ricinus communis 240, A 69, B 478, 504, 513. 
Rigodium toxarium 75, A 112. 
Rinodina conspersa 42; metabolica 42; tincta 42; 
trachytica 42. 
Riocreuxia torulosa 327. 
Rivea decora 334; Hartmannii 334; kituiensis 334, 
À 45; nana 334; Pringsheimiana 334; shirensis 
334; Urbaniana 334. 
Roccella Montagnei 37, A 10, B 400; tinctoria 
B 400. 
Romulea alpina 147; camerooniana 147; campa- 
nuloides 147, A 124, B 526; Fischeri 147. 
Rosa chinensis 190, B 528; gallica 190, B 528. 
Roschera africana 28. 
Rostrupia Schweinfurthii 51. 
Rotala filiformis 285; Stuhlmannii 285. 
Rothia hirsuta 203. 
Rottboellia compressa v. fasciculata 96; exaltata 
96, A 31; setifolia 96. 
Rourea maxima 192; monticola Gilg A 92; orien- 
talis 192; ovalifoliolata 192; ovatifolia 192; 
usaramensis 192. 
Royena macrocalyx 305, A 44; usambarensis Gürke 
msc. A 73 = macrocalyx; Whyteana A 115. 
Rubia cordifolia 395, A 107, B 406, v. discolor 
395; discolor A 133 = cordifolia v. discolor. 
Rubus apetalus 190, A 124, 131, B 189; dictyo- 
phyllus 190, A 89, 104, 124, B 188; Goetzenii 
Engl. A 134; huillensis Welw. A 115; kirun- 
gensis Engl. A 134; pinnatus 190, A 104, B 188; 
rigidus 190; runssorensis 190, B 189, 528; 
Volkensii 190, A 125, B 189. 
Ruellia amabilis 368; megachlamys 368; patula 
368, A 16, 74; prostrata 368; sudanica 368, 
A391) 32. 
Rumex abyssinicus 169, A 92, III, II5, I25, 134, 
B ışı, 505; nervosus 169, A 107, B 505, 527; 
Steudelii 169, A 125, 131, B 505. 
Rungia rosacea 37I, A 5. 
Rutidea fuscescens 390; rufipilis 390, A 94. 
Ruttya fruticosa 372, A 40. 
Sabicea arborea K. Sch A 92; venosa 379, A 92. | 
Saccharum officinarum 96, B 74, 75, 76, 86. 
Fig. 8, Fig. 9; purpuratum 96, A 115; spon- | 
taneum 96. 
Sagina abyssinica 177, A 126. 
Saintpaulia ionantha 362, B 533. 
Salacia floribunda 247, B 206; pyriformis 247, 
B 206; Stuhlmanniana 247, A 5, B 206. 
Salicornia herbacea 171. 
Salvadora persica 310, A 62, B 224, 485. 
Salvia nilotica 344, A 109. 
Salvinia hastata 89. 
Sambucus Ebulus 374, A 133. 
Sanicula europaea 298, A 118, 133. : 
Sansevieria cylindrica 144, A 49, B 367, Taf. V; 
Ehrenbergii 144, B 368, Taf. VI; guineensis 
27 
| 144, A 32, B 366, Taf. V; Kirkii 144, B 365, 
| Taf. V; lanuginosa B 366; longiflora 144, 
| A38, 79, B305, Taf V: nilonca B 305. 
| Taf. V; Roxburghiana B 366; senegambica 
| B 367; subspicata B 367; thyrsiflora B 366, 
| Taf. V; Volkensii 144, A 40, B 367; zeylanica 
B 366, Laf: V: 
| Sapium abyssinicum 241, A 98, B 317. 
| Sarcocephalus sambucina 379, A 95, B 230, 501. 
| Sarcographa radians 46, A 18; subtricosa 46, 
| A 18; tricosa 46, A 18. 
| Sarconema furcellatum 27. 
Sarcophyte sanguinea 168, A 29. 
Sarcostemma viminale A 29. 
Sargassum asperifolium 25; Binderi 25; carpo- 
phyllum 25; crispum 25; duplicatum 25; ilici- 
folium 25; latifolium 25; lendigerum 25; vul- 
gare 25. 
Satyrium brachypetalum 153, A 124, 136; chloro- 
corys 153; Ivantalae 153. 
Sauromatum abyssinicum 132, A 108. 
Sauvagesia erecta 274. 
Scabiosa Columbaria 396, A 99, IOI, 102, 118, 
1275138. 
Scaevola Lobelia 402. 
Scenedesmus acutus 22; caudatus 22. 
Schefflera polysciadia 297 ; Goetzenii Harms A 134; 
Volkensii 297, B 342. 
Schistomitrium acutifolium 68. 
Schizoglossum angustissimum 321, A 54; barbatum 
322, A131; connatum 425: elatum. 3321; 
Grantii 321; Nyasae 322, A 131; truncatulum 
322. 
Schizophyllum alneum 58, A 84. 
Schizosaccharomyces Pombe 30. 
Schizostephanus alatus 324. 
Schizostephium heptalobum 416. 
Schizothrix arenaria 9; coriacea 9; Friesii 9. 
Schizozygia coffeoides 316. 
Schlotheimia abbreviata 70; Holstii 70, A r12; 
laetevirens 70, A 112; phaeochlora 70; riges- 
cens 70, A 112. 
Schoenefeldia gracilis 110. 
Schróteria Cissi v. usambarensis 49. 
Schwabea ciliaris 372; ecbolioides 372; revoluta 
372. 
Schwetschkea usambarica 75, A 112. 
Scilla Buchanani 142; Fischeri 142; gracillima 
142; Johnstonii 143; Kirkii 143; lanceaefolia , 
| 143; maesta 142; Petersii 142; Tayloriana 
| 142; textilis 143; uyuiensis 143; Volkensii 
142; zambesiaca 142. 
| Scirpus articulatus 126, A 19, v. major 126; ca- 
| pillaris L. A 116 — Fimbristylis capillaris (L.) 
| Gray; costatus 126, A 126, 132; corymbosus 
| 126, A 100, 116; cubensis 126; fluitans 125, 
A I16; kyllingioides 126; leucocoleus 125, 
A 126; littoralis 126, v. pterolepis 126; mari- 
timus 126, A r9, 21; melanocephalus K. Sch. 
A 131; mucronatus 126; setaceus 125, A 126; 
supinus 126; transiens K. Sch. — Fimbristylis 
transiens K. Sch. 
Scleria Buchananii 128; bulbifera 128; Dregeana 
128, v. robustior 128; flexuosa 128; foliosa 
128, A 102; glabra 129; glomerulata 128; 
Hildebrandtii 129, A 19, 23; hirtella 128, 
A 98, r11; lithosperma 129; melanomphala, 
