caudatum Stapf, 176 
cernuum Host, 177 
dochna (Forsk.) Snowden, 178 
var. technicum (Koern. ) 
Snowden, 179 
Drummondii Nees ex Steud., 
177 
Durra Stapf, 177 
halepense ( L.) Pers., 175 
nervosum Besser ex Schult., 
178 
nigricans (Ruiz & Pav.) 
Snowden, 178 
Rovburghiit Stapf, 178 
saccharatum Moench, 178 
subglabrescens Schweinf. & 
Aschers., 179 
sudanense ( Piper) Stapf, 175 
technicum Batt. & Trab., 179 
virgatum ( Hack. ) Stapf, 175 
vulgare (L.) Pers., 175, 176 
var. bicolor (L.) Pers., 
176, 179 
var. caffrorum (lets. ) 
Hubb. & Rehder, 176,179 
var. caffrorum (Thunb. ) 
Hubb. & Rehder, 176 
var. caudatum ( Hack, ) 
A.F. Hill, 176 
var. cernuum ( Ard.) Fiori 
& Paol., 177 
var. Drummondii ( Nees ) 
Chiov., 177 
var. Drummondii (Nees) 
Hitche., 177 
var. Durra ( Forsk. ) Hubb. 
& Rehder, 177 
var. nervosum ( Besser ev 
Schult. ) Forbes & Hems!/., 
178 
var. nigricans ( Ruiz & 
Pav.) A.F. Hill, 178,179 
var. Roxburghii ( Hack. ) 
Haines, 178 
var. Roxburghii (Stapf) 
Haines, 178 
var. saccharatum ( L. ) 
Boerl., 178 
var. subglabrescens 
(Steud. ) A.F. Hill, 179 
var, sudanense (Piper) 
Hitche., 175 
var. technicum ( Koern. ) 
Fiori & Paol, 179 
var. technicum (Koern.) 
Jav., 179 
SOROCLADUS Lesqu., 163 
sagittatus Lesqr., 163 
SPHENOPHYLLUM Brongn. 
oblongifolium G. & K., 15,16 
SPHENOPTERIS Brongn. , 167 
sp., 15 
minutisecta F. & [.C.W.,15 
SPHENOZAMITES Brongn., 
\7 
SPIRANTHES L.C. Rich. 
affinis C.Schweinf., 101 
albovaginata C. Schweinf. , 103 
aristotelia (Raeusch.) Merr., 
85, 86 
Arséniana Kréinel., 104, 106 
Beckii Lindl., 102 
costaricensis Reichb,f., 109 
cranichoides ( Griseb. ) Cogn., 
109 
densiflora C.Schweinf., 104 
elata (Sw. ) L.C.Rich., 109 
eriophora Robins. & Greenm., 
108 
gracilis (Bigel.) Beck, 102 
[ xvi ] 
