GRAMINE.K. 81 



superioribus ad bracteas abeuntibus ; bracteis singulis vel duobus basi panicula? 

 insitis, vaginis valde conspicuis laminis valde reductis, vaginis 6-8 cm. longis 

 deorsum tubuliformibus sursum dilatis laminiformibus 5 mm. longis alaba- 

 strum paniculsB obtegentibus, laminis valde reductis convoluto-setiformibus 

 1-3 cm. longis. Panicula pyramidalis 6 cm. longa 2cm. lata, rhachis glabra 

 gracillima ad nodos longe hirsuta, pilis albis 2 mm. longis, vel versus ramulos 

 rhachis hirsuta ; spiculre secus spica? rhachin articulatam ad nodos geminata?, 

 altra sessili, altra stipitata ; spiculas sessiles lanceolata? 31mm. longa) 

 f mm. lata? apice acuminata? ; flore uno hermaphrodite) ; gluma I. lanceo- 

 lata 31mm. longa ^ mm. lata apice obtusa apice margineque ciliato-hirsuta 

 extus intusque glabra margine sursum carinata ; gluma II lanceolata 31 mm. 

 longa dorso valde plicato-carinata apice acuminata margine plicato-recurva 

 ciliata ; gluma III. multo minora linearis 2 mm. longa mm. lata apice 

 truncata hyalina apice ciliata; gluma IV. ad aristam rigidam tortam superne 

 geniculatam llcm. longam reducta ; palea 0. Spicula? altra3 pedicellis 

 longe hirsutis 2mm. longis stipitata? lineari-lanceolata? 4mm. longa? acumi- 

 nata? ; gluma I. lineari-lanceolata 4 mm. longa ^ mm. lata multi-nervia 

 margine apice hirsuta ; gluma IT. lanceolata acuminata 31 mm. longa 

 l mm. lata haud carinata margine interiore plicata margine hirsuta ; gluma 

 III. lanceolata hyalina margine tenuiter plicata ciliolata ; gl. IV. minute 

 lanceolata llmm. longa ^ mm. lata, florem masculinum gerens. Stamina 

 3, antheris linearibns llmm. longis ^ mm. latis. 



HAD. Kwashoto, leg. T. SUAIA, Juli. 1915. 



Near A. mierantlms KUKTH, but differs from it in the quite liisterless 

 nervose spikelets. 



6. Andropogon formosanus REKDLE ; MATSUM. et HAYATA I.e. p. 528. 



XLIT. Sorghum PEES. 



Key to species. 

 1. Joints, pedicels and callus shortly villous with purple or rufous hairs. 



1. S. fulvum. 



Joints, pedicels and callus shortly villous, but not with purple or rufous 



hairs 2 



Rachis of spike tenacious 2. S. vulgare. 



