1957] 



THE BOTANY OF THE GUAYANA HIGHLAND— PART II 



273 



FIG. 10. Andropogon longiramosus Sohns. a, branch with terminal raceme; b, terminus 

 of peduncle; c, pair of spikelets; d, second glume; e, sterile lemma; /, fertile lemma; g, 

 palea; h, lodicule; i, anther; /', rachis-joint; k, cross section of blade behind the ligule; 

 /, culm, ligule, junction of sheath and blade. All x 8 except a X Type. 



superior carinata, prope summam leve ciliolata, marginibus ciliolata; lemma 

 sterile bicarinatum, glumam superiorem fere aequans; lemma fertile 3*5-4 mm 

 longum, membranaceum, bifidum; aristae 1.5-2 cm longae, tortae; palea enervis; 

 lodiculae 2, 0.5-0.9 mm longae; pedicelli 3.5-4 mm longi, marginibus longe 

 pilosi; spiculae pedicellatae 2-4 mm longae, angustae; glum'a inferior scaber- 

 rima, arista 0.5 mm longa vel brevior; gluma superior fere obscfleta. 



