586 



Syn. Paspalum annulatum, Fluegge Monogr. 133. Helopus 

 Isevis, TVin. in Spreng. N. Entd. II. 49. Agrostis ramosa, Fow 

 encycl. H. annulatus, Nees. ah. Esenl. in Mart. Bras. II. 17. 



Engram. Trin. Ic. 12. t. 133. 



Spec. Chae. Creeping: culms 1 — 4 feet, spreading near the 

 base and there rooting at the joints : leaves smooth : panicle oval, 

 very thin, composed of a few, 4 — S-componnd, spreading, racemes : 

 rhachis of the rScemes 3 -sided : flowers paired on common pedicels : 

 valves of the calyx equal, pointed, very hairy. 



Growing in large tufts on moist pasture ground Bengal, on the 

 Jellinghey river. 



GEmrS VIII. PENITISETUM. 

 Vriandria Monog'yiiia. Sex: Systi 



Deriv. From Penna a feather, and Setum a bristle. 



Gen. Chae. Thyrse simple : spikelets lanceolate, acute, closely 

 involucrated with bristles, solitary or 2 — 4 within the involucel, 

 sessile or pedicelled : involucre deciduous with the spikelet : bristles 

 of the involucre unequal, in most exceeding the spikelet, hispid or 

 plumose : glumes 2, or the lower one being suppressed, solitary : 

 lower floret neuter or male, 1 — 2-valved, muticous or rarely caudu- 

 late : upper floret hermaphrodite, ovate-lanceolate, acute or acumi- 

 nate, membranaceous or chartaceous, afterwards firmer than the 

 glumes : hypogynous scales none or situate outside the upper 

 valvelet : ovary glabrous : styles usually connate below : stigmas 

 plumose : stamens 3, anthers Unear : caryopsis oblong. 



(1) P. ALOPEcuEos. (Nees.) 



Ident. ITees Ms. (under Gynmothrix). Steudel 1. c. p. 102. 



Syn. Gymnothrix cenchroides, Wight herb. No. 66. Cenchrus 

 hordeiformis, Rottl. herb. 



Spec. Chae. Leaves narrow-linear, bearded at the base on both 

 sides : spike elongated, interrupted at the base : larger bristles of 

 the unequal sub-sessUe 1 -flowered involucre twice longer than the 

 spikelet, rest equal or shorter : lower glume ovate, 6 times shorter 

 than the spikelet, upper one ovate-oblong, twice shorter than the 

 same, the latter 5-nerved at the base: neuter floret 9-nerved: styles 

 deeply connate. 



Peninsula ? 



