NEW AND LITTLE-KNOWN MADAGASCAR PLANTS. 63 



spiculigeri. Spicule subspicatae 1 cm. longao, 5~10-utriculiferae. 

 Glumse fetnine® 4 mm. long®, fere glabrae ; masculae angustiores 

 proventu pallide ferrugineae. TJtriculi 4 mm. longi ellipsoidei, 

 trigoni, vix curvati, in rostrum subobicngum subito angustati, 

 fere glabri conspicue 16-20-striati, virides. Nux cum utriculo 

 conform is in verbis caricologorum puncticulata. Caricis Uilde- 

 brandtiantBy Boeck. (Engler's Jahrb. v. p. 516), var. evoJuta sed 

 multo robustior, panicula majore, spiculis majoribus, glumis femi- 

 neis duplo longioribus, utriculis majoribus minus curvatis multo 

 magis striatis rostro breviore. G. polycephake, Boott, sat affinis, 

 sed spiculse minus elongatse rostrum multo brevius. 

 Dry sandy dunes, Fort Dauphin, 2534 ! 



Costularia recur va, C. JB. Clarke. 

 Glades in forest, Ankeramadinika, 1777 ! 



FlMBRISTYLIS CINEREA, Hidl. 



Near Antananarivo, short turf, 1734 ! 



GBAMINEJ2. 



(By Prof. Hackel.) 



Panicum (§ Digitaria) atroftjscum, Hackel. 



liacemis circ. quaternis approximato-alternis demum divergen- 

 tibus, rhaehi de spiculis angustiore pedicellisque glabra, scabra, 

 spiculis lanceolato-ellipticis vix 2 mm. longis, gluma lma nulla, 

 2da quam spicula triplo breviore obtusa trinervi, 3a spiculam 

 sequante acutiuscula 7-nervi, omnibus glabris, 4a demum atro- 

 fusca minutissime puncticulato-scabra. Culmi elatiores. Folia 

 linear] a, glabra. Race mi circ. 10 cm. longi. 



Proximum P. phaocarpo, Nees, quod differt gluma 2da quam 

 spiculi paullo breviore cum 3a inter nervos puberula. 



P. diagonally Nees, etiam affine, differt racemis erebris panicu- 

 latis erecto patulis, rliachi de longe pilosa, gluma 3a trinervi. 



Marshy valley, Lake Itasy (Interior), 1909 ! 



Paniclm (§ Brachiaria) Scottii, sp. n. 



Culmo erecto ramoso, foliis linearibus acutis, racemis 4-6, inter- 

 stitia subgequantibus v. sequantibus, appressis, brevibus, rhachi de 

 glabra, scabra, spiculis solitaries v. in rhachidis basi binis terninve 

 brevissime pedicellatis ovalibus obtusis, hinc gibbis, glabris ; 

 glumis sterilibus obtusis : lma suborbiculari spicula dimidia 

 breviore, 2a spicula paullo breviore, 3a banc sequante florem 

 <5 fovente, 4a spiculam aequante puncticulato-scabra. 



