INDEX. 
latum, 336; plicatum, 336; Sander- 
sonu, 338; tabulare, 336. 
Cymbopogon, 63, 72, 73. 
Cynodon, 19, 41, 100. 101, 107, 108; 
gracilis, 108; Neesii, 108; poly- 
stachyus, 108. 
Cynoglossum denticulatum, 178; mi- 
cranthum, var. canescens, 178. 
Cynosurus, 106, 107, 114; crista- 
galli, 114; cristatus, 114; echinatus, 
115; elegans, 115; multibracteatus, 
114; polybracteatus, 114. 
Cyperacese, 17, 18, 22, 23, (Afghan) 
189. 
Cyperus, 23; imfraapicalis, 189; Tria, 
189; niveus, 189; puncticulatus, 
189. 
Cyrtandree, on two new and one 
wrongly referred, by H. O. Forbes, 
297. 
Cyrtopera pedicellata, 336 ; foliosa, 337. 
Czernya, 112. 
Dactilon, 100. 
Dactylis, 116, 123; ceespitosa, 123; 
glomerata, 123. 
Dactyloctenium, 107, 117; egyptiacum, 
193; glaucophyllum, 107. 
Demia extensa, 177. 
Dalbergia Sissoo, 140, 160. 
Danthonia, 98, 99, 106 ; abyssinica, 99 ; 
bipartita, 99; crispa, 99; pallescens, 
99; procumbens, 99; provincialis, 
99 ; radicans, 99, 112; Thouarsii, 99. 
Darbán, vegetation valley of, 144. 
Darwin, Charles, on Action of Carb. of 
Ammonia on  Chlorophyll-bodies, 
262 ; on Action of Carb. of Ammonia 
on Roots of Plants, 239. 
Darwin, Francis, on Connexion of 
Geotropism and Growth, 218. 
Datisca cannabina, repair in, 4. 
Davallia Clarkii, 291;  daresformis, 
291; dubia, 288. 
Dendrocalamee, diagn. subtribe, 31. 
Denticula tenuis, 231. 
Depilati, a divis. of Crocus, 363. 
Deschampsia, 94, 95, 96; antarctica, 
96; atropurpurea, 95; Berteroanum, 
96; csespitosa, 96; flexuosa, 95; 
holeiformis, 96; kælerioides, 96; 
nitida, 96. 
Desmidiaces, 231. 
Despretzia, 121. 
Deyeuxia, 88, 89, 90, 91, 95; brevi- 
glumis, 91; mutica, 91; posformis, 
91 
Diachyrium, 86. 
Dianthus crinitus, 153; 
fimbriatus, 
153. 
331 
Diarrhena, 119. 
Diastemanthe, 50. 
Diatoma elongatum, 231; vulgare, var. 
subacuta, 232; gracilis, 232. 
Diatomacers, 231. 
Dichetaria, 103. 
Dichanthium, 72; dichotoma, 79. 
Dichelachne, 91. 
Dickie, Dr. G., Notes on Himalayan 
Algæ, 230. 
Dicliptera Roxburghii, 182. 
Dicotyledones (Afghan), 148. 
Didactylon, 67. 
Didymocarpus flocculosa, 298; mina- 
hasse, diagn. of, 298; Schefferi, 
diagn. of, 298. 
idymocheta, 91. 
Diectomis, 72, 74. 
Dienia muscifera, 188. 
Digitalis purpurea, staminiferous corolla 
in, 216. 
Digitaria, 34, 38, 41, 43; uniflora, 
35. 
Digitariese, 27, 38. 
Digraphis, 76. 
Dimeria, 67, 68. 
Dimorphostachys, 43. 
Dinebra, 104, 106, 108; arabica, 101, 
106; aristidoides, 104; curtipen- 
dula, 104. 
Dioicopoa, 125. 
Dionsa muscipula, effects of carb. of 
ammon. on, 247, 266. 
Diplachne, 107, 108, 109, 111 ; alope- 
curoides, 110; fascicularis, 111; spi- 
cata, 111. 
Diplaria, 42. 
Diplax, 76. 
Diplectrum parviflorum, 341. 
Diplocea, 111. 
Diplopogon, 84. 
Dipogonia, 84. 
Dipsacacese (Afghan), 167. 
Dipsacus sylvestris, 245, act. carb. 
ammon. on leaves of, 278. 
Disa aconitoides, 343 ; atricapilla, 344 ; 
atropurpurea, 313; attenuata, 343; 
barbata, 233, 234, 235, 344; brachy- 
ceras, 343; bracteata, 343; capri- 
cornis, 343 ; caulescens, 343 ; cepha- 
lotes, 344 ; Charpentieriana, 235, 343 ; 
chrysostachya, 342; cornuta, 342; 
crassicornis, 342; Draconis, 343; 
fasciata, 342 ; ferruginea, 343; fili- 
cornis, 344; flexuosa, 345; gladio- 
liflora, 343; glandulosa, 343; gra- 
cilis, 342; graminifolia, 234, 342, 
344; grandiflora, 233, 235; Har- 
veiana, 343; hemispherophora, 344 ; 
Huttonü, 344; lacera, 235; lata, 
