e 
26 BENGAL PLANTS. [Artificial Guid 
Hypogynous scales 6, divided to the base into linear 
segments ...... 1043. Eriophorum. — 
Hypogynous scales 1-7, undivided, or 0...1045. Sei irpus. 
+Flower interposed between a glume and a palea ; leaves 2-stichous, 
sheaths open in front and ligulate at apex behind; fruit a grain with 
seed adherent to pericarp ; embryo iene ea at base; styles 
2, distinct, very rarely connate below 
Spikelets articulate on their edie or ons) ai with them 
Spikelets all similar; styles connate below ...1065. imperaill 
Spikelets dissimilar ; styles free :— 
Glume III of sessile spikelet male ...... 1076. Pogonatherum. 
Glume III of sessile spikelet neuter or 0...1080. Andropogon. 
a a with their pedicels and persistent on them ; 
styles fre : 
Spikelets 1 1-flowered 
deeb clnbes di 1088. Polypogon. 
id :-— 
ee minute, in globose clusters on an elongated simple 
achis El 
ehh Niehaus 1097. Elytrophorus. | 
icon conspicuou : 
Spikelets pendatliadee with long silky hairs, in large panicles 
agmites. 
sore not penicillate with silky hairs, in Wiebe panicles” 
pikes 1101. 
SRCKAME CS CC TeESSERESETS SHUR SE CURES a Ch WSs 
SF —_ Class I. DIANDRIA. 
Carpels and styles 4, carpels free; small submerged aquatic plants 
brackish ponds and marshes, with narrow grassy leaves...1021. a 
arpels solitary, or if 2 or more, connate ; style simple with 1-3 stigmas. 
or if styles free not more than 2 :— 
*Leaves sheathing at the base or occasionally a to sheaths; 
nerves parallel with no reticulate venation :— 
+Perianth reduced to small scales o r bristles, or fais :—[p. 28 
a gl 
pa a palea; leaves 
distichous, sheaths open in front and ligulate at apex behind; 
tuit a grain with segues 4 outside the albumen; st 
p. 27 
i 
yles 2, free or 
rarely connate below 
§ Spikelets articulate on their pedicels or deciduous with © 
them:—{[p. 27 
‘| Rachis of inflorescence inarticulate : ; Styles free:—{p. 27] 
**Spikelets very many, minute, densely crowded on the capil. : 
lary branches of a large panicle [p. 27] 1050. Thysanolena. 
