Gomphrena globosa 174. 
Gonatopus Boivini 131, A 5. 
Gonionema velutinum 36. 
Gonium pectorale 22. 
Gossypium arboreum B 388; barbadense 268, 
B 384; herbaceum 268, B 386; hirsutum 268, 
B 386; Kirkii 268; peruvianum 268, B 385. 
Gouania longispicata 256, A 91; pannigera 256. 
Gracilaria confervoides 27; corticata 27; liche- 
noides 27; radicans 27. 
Grandidiera Boivini 277, A 33. 
Grangea maderaspatana 406. 
Graphina aethiopica 45; Balbisii 45; mendax 45; 
obtecta 45; pyrenuloides 45, A 18; socotrina 
45; sophistica 45; subhiascens 45. 
Graphis Acharii 45; Afzelii 45; aterrima 45; com- 
pulsa 45; duplicata 45; erythrocardia 45; hy- 
alinella 45; Lineola 45; oxyclada 45; pro- 
pinqua 45; rimulosa 45; scripta 45; striatula 
45; superans 45; tenella 45, A 18. 
Grewia asiatica 264; bicolor 263, A 44, 49, 66; 
Boehmiana 264; caffra 263, B 210; carpinifolia 
B 210; coerulea 263, A 69; columnaris 262, 
A 105; conocarpa 264; ectasicarpa 263; fallax 
264; ferruginea 264, B 210; flava 264; Forbesii 
264, A 49, 73, 75; glandulosa 263; gonioclinia 
264; hypoglauca 263; inaequilatera 263, B 510; 
laevigata 263; lepidopetala 263; membranacea 
264; micrantha 263; mollis 264, B 210, 326; 
nodisepala 264, Taf. XVIII; obovata 208; A 17, 
B 326; pachycalyx 264; parvifolia 264; pedun- 
culata 263; pilosa 264, A 30, 73, 75, B 326; 
plagiophylla 263, A 28, 44, 73; populifolia 
263; praecox 263; rhytidophylla 264; similis 
263, A 105; Stuhlmannii 263, A I5, 73 
Taf.XVIII; sulcata 264; tiliifolia 264, B 376; 
tristis 263; truncata 263; venusta Fres. A 44; 
villosa 264, A 44. 79, B 210. 
Grimmia argyrotricha 69, A 136; calyculata 69, 
A 136; campylotricha 69, A 136; immergens 
69, A 136; leucophaea 69; obtusolinealis 69, 
A 136. 
Grumilea exserta 392, A 123; Kirkii 391; lauracea 
392, A 106; platyphylla 392, A 123; Purt- 
schelleri 391, A 123. 
Guepinia helvelloides 53, A 124. 
Guettarda speciosa 387. 
Guizotia abyssinica (L. f.) Cass. B 493; biden- 
toides 414; Schultzii 414. 
Gunnera perpensa 297. 
Gutenbergia cordifolia 402, A 111, 117; leiocarpa 
402, A 64; longipes 402; Petersii 402; poly- 
cephala 402. 
Gymnema longipedunculatum 325; silvestre 325. 
Gymnogramme leptophylla 77. 
Gymnolaema Newii 320. 
Gymnosiphon usambaricus 151, A 83. 
Gymnosporia ambonensis 246, A 30, 75; brevi- 
petala 246; buxifolia 246; crenulata 246; fasci- 
culata 246; filamentosa 246; Fischeri 246; 
gracilipes 246; gracilis 246; lancifolia 246, 
A 87; laurifolia 246, A 75, B 321; lepidota 
246, A 124; luteola 246, B 321; obscura B 509; 
meruensis 246; mossambicensis 246; putter- | 
lichioides 246, A 27, 87; Rehmannii 246, A 14, 
125; senegalensis 246, A42, 44, 57, 124, 
B 509; undata 246. 
15 
Gynura amplexicaulis 416, A 115; cernua 416, 
A 100, 115; crepidioides 416, A 33, 77, 110, 
117, 118, 125, 131; Fischeri 416; Meyeri Jo- 
hannis 416; miniata 416; sarcobasis 416; 
scandens 416; Valeriana 416, A 89, 90, 118; 
vitellina 416, A 116. 
Gyrocarpus americanus 182, A 75. 
Gyrophora umbilicarioides 38, A 136. 
Gyrostomum scyphuliferum 46, A 113. 
Habenaria aequatorialis 152; altior 152; bracteosa 
153, A 123, 128; Buchananiana 153; ecaudata 
152; Eminii 152; Holstii 152, A 89; huillensis 
152, A 64; humilior 152, A 111; Kayseri 152, 
A 100, 111, Taf. VII, B 526; Kilimanjari 152; 
macrantha 153, A 100; macrura 153; mar- 
tialis 153; ndiana 152; nyikana 152; pedicel- 
laris 152, A 100; Pervillei 153; plectromaniaca 
152, A 31, 124, 126; Poggeana 153; poly- 
antha 152; rabaiensis 152; Schimperiana 152, 
A 116, 124; sochensis 152; splendens 153; 
Steudneri 152, B 526; stylites 152; subarmata 
153; tenuicaulis 153; Thomsonii A 101; tri- 
dactyla 153, A 100; Usambarae A 98; varia- 
bilis 153, A 124; Volkensiana 152, A 56, B 526; 
Walleri 152; zambesina 153. 
Haemanthus eurysiphon 145, A 121, B 525; mi- 
crantherus 145, A 63, B 525; multiflorus 145, 
A 52, 63, 79, B 525. 
Hagenia abyssinica 191, A 121, 124, 134, B 298, 
499, 528. 
Halimeda macroloba 24; Opuntia 24. 
Halleria abyssinica 356; elliptica 356, A 115. 
Halophila ovalis 94, A 2, 4; stipulacea 94, A 2, 4. 
Halymenia flabellata 29; formosa 29. 
Hantzschia amphioxys 17. 
Hapalosiphon Stuhlmannii 10. 
Haplocoelum inopleum 251; trigonocarpum 251. 
Haronga paniculata 274, A 66, 82, 87, 88, 9r, 
92, 94, B 331. 
Harpachne Schimperi 115, A 109. 
Harpechloé altera 110, A 132. 
Harrisonia abyssinica 227, A 28, 43, 74, 76. 
Hassallia usambarensis 10. 
Harveya obtusifolia 362, A 16; versicolor 362, A 64. 
Hebenstreitia dentata 358, A lor, 127. 
Hedwigia Johannis Meyeri 70, A 136. 
Heeria argentea B 320; insignis 245, A 60, 73, 
B 319; mucronata 245, A 15, 28, 73, B 319; 
pulcherrima 245. 
Heinsia densiflora 382; pulchella 382, A 30. 
Heleocharis capitata 124, A 67; fistulosa 
Hildebrandtii 124. 
Heleochloa schoenoides 107, A 50. 
Helianthus tuberosus B 148. 
Helicodontium usagarum 76. 
Helinus mystacinus 256, A 45, 70, 74, 107. 
Heliotropium indicum 337; longiflorum 337, A 54; 
ovalifoium 337, A 54; phyllosepalum 337; 
simile 337; Steudneri 337, A 54; strigosum 337, 
A 23; supinum 336, A 54; zeylanicum 336, 
A 22, 54. 
Helminthocarpon Holstii 46, A 113; leucocarpum 46. 
Hemileja vastatrix 51; Woodi 51. 
Heptapleurum Volkensii Harms A 123 = Scheff- 
lera Volkensii Harms. 
124, 
| Helichrysum abyssinicum 410, A 124, 135; adeno- 
carpum 410; argyranthum 410, A 127; argyro- 
