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MEMOIRS OF THE NEW YORK BOTANICAL GARDEN '[Vol. 9, No. 3 



^IG. 9« Andropogon insolitus Sohns. a, cluster of branches and inflorescences, X 

 b, pair of spikelets; c, pedicellate spikelet; d, second glume; e, lemma; /, first glume; g, 

 second glume; h, fertile lemma; i, palea and lodicules; anther (/-;', sessile spikelet); k, 

 stamens, palea, and lodicules of pedicellate spikelet; /, cross section of sheath; m, junc- 

 tion of blade and sheath, b-j, Um X 8; k X 20. Type. 



This species resembles A. virgatus Desv. in appearance, but has larger 

 spikelets and the pedicels and rachis joints are pilose. 



Andropogon longiramosus Sohns, sp. nov. Figure 10. 



Perennis; culmi erecfi, 2 m alti vel altiores, nodi glabri; vaginae glabrae, 

 inferiores internodiis longiores, superiores internodiis breviores; ligula membra- 

 nacea, 3-4 mm longa; laminae 65 cm longae, longiattenuatae, usque ad 1.5 cm 

 latae, omnes scaberrimae; inflorescentia 35 cm longa; pedunculi usque ad 8 cm 

 longi, dense albo-pilosi; articuli 4-7.5 mm longi, marginibus longe pilosi, dorso 

 scaberrimi; spiculae sessiles 4.5-5.5 mm longae, gluma inferior spiculam ae- 

 quans, 6-nervis, longitudine sulcata, marginibus scaberrimo-ciliata; gluma 



