Pennisetum.] olxxiii. GRAMiNEiE. (J. D. Hooker.) 83 



Annual. Stem 3-6 ft., erect, simple, or branched from the root, slender or stout, 

 ^^metimes as thick as the middle finger at the base, solid, leafy, upper nodes 

 g^aorous or woolly, lower rooting. Zeaves 1-3 ft. by ^-2 in., lanceolate, spreading 



Quadrafp V '•' "**«rtuic! lu ieugbij, suiiiuuiiues a-useiiL, usumij' ^a I V, sub- 



coriaceon tx^^^^^' obtuse or retuse 3-nerved, very rarely as long as IV and 

 paleate '/ ovate-oblong, obtuse or truncate and apiculate, S-neryed, epaleate or 

 acute ''^ ^ ^^ neuter, rarely bisexual ; IV coriaceous or herbaceous, ovate, 

 Derv/fl 9 '°^^^^^' P^^^^^ ^^^y ^I'oad, truncate, ciliate at the tip and dorsally, 



owl-i ^PP^*>^^"^ate excurreiit. 



Wozd, or pyrifonx., smooth, free, 



asao escape, and it is difflnnu f. i 



Lodicules 0, Anthers linear. Grain oblong, 

 and top exposed. — Only known in cultivation or 



**OndnpH ^pi * -^^P*^* ^^ Candolle unfortunately does not mclude it in tus 

 'katcontin f ■ ^^^^^^''^^^''*" Its abundance throughout Africa would point to 

 ^tl shanp f !r^^ ^^^^^®- There are very groat differences in the number, sizes, 

 »l»ent Th .^^^"^^s, of I and II especially, which are not unfrequently both 

 the numGrn "materials are not sufficient to enable me to attempt a classification of 

 ^^uire an p"l • ^ cultivated or growing as escapes in India. To do this would 

 I can nni. ^^"^^^^^ examination of the African forms, of which thire are legions. 



Komicke i W ^? Schlechtendahrs paper in the Linna^a, xxv. (1852) 530, to 

 <>f 22 cnlHvnf!!?^^ ^ Handb. der Getreidebaues (i. 291), and to Braun's descriptions 

 fi^eTaripl;« f.'"^' *^^^^% African, in Walp, Ann. vi. 961. Roxburgh alludes to 



•^earelw^'^''^*'^^^^^ ^^ I^d^a, but does not distinguish them. The following 

 ^ selected as noteworthy. 



, 1' TaU, 



5 in- 

 bristles 



^'^M mvow7 ^' ^^^^^' ^^^^<J> ^P^*^e ^ery stout (Typha-like), 8-12 by 1-1^ 

 ^"^ch longer f^ on long ciliate pedicels with sometimes a superposed one, bria 

 ^^^^^J in the ' spikelets, dark brown ; spikelets clustered in the involucels or 



^^ ^ or like T 1 ^ mvolucel if present, ovoid or oblong, gl. I minute semilunar or 0, 

 ^^^t^* palea '"^l^ ^"""^ quadrate truncate 3.1obed 3-uerved, III = IV 5-nerved, 

 '■QenfedVmo. ^^^ ^^^^^ quadrate entire or 2-fid. 2-nerved dorsally villous, IV 



The largest cult. form. WalL 



^•n.8644 — «*vi^uia€e, palea as in III.— The largest cult. lorm. rruc-w 



2 Q -I * 



'P'^«leUal7»i'?i'^ ^ ^y 3 ^"m involucels shortly pedicelled, bristles shorter tlma the 

 I^'eateandVil' , ^'^ -^ i°-. S'- I and II minute semilunar, III broadly oblong 

 Wea as in ttt If^ P^^^'a dorsally villous. IV 7-nerved nerves and margms ciliate, 



.. '• Tall. eJ;^ -^0 ^°'^'^' ^"^^^^ . , , 



T^y pedicS T^^ ^^ ^^•' 8tt>ra densely villous towards the top, involucels 

 J^Wlitary i „ ' ,^r'«tles longer than the spikelcts pale or purplish, spikelets 



t"'*^«d Jale ' tS'^"''"^^"''''"^^*^' g^«- 3' 10, 11 = M I^ oblong truncate 

 ^<^.~~MoZo ^-"^^^ cuspidate 5-nerved.— A very common cult. form. Lahore, 



Sl!'"*^*!' shortlv'" ^r ~^^ '"•' >^»^e« ^^^7 "arrow, spike 1 in. rather slender, 

 ?^^'tary ovat? T^^'celled, bristles longer than the spikelet, pale, spikelets 

 »*'* t'P tmn,„'f^ ^' ^ "'""te semilunar; II = ^ III subquadrate 3-ncrved, III 

 longiiy^ ^aie and nmcronate strongly 5-nerved, nerves and tip ciliate.— 



"• Spike 4- 



r 1-'^^ ^ery nau^'' .l^^*^^"cels shortly pedicelled, bristles mi 

 3.n ^^^^«> II L 1 'P;kelet8 x^ in. narrowly lanceolate, glume 



much longer than the 

 n "^t'Pemarl- : °^'*'"& tmncate 3-nerved, III elliptic-lanceolate strongly 



t«lls 



'"''^t ainniE u "^""onate, palea narrow oblong-lanceolate smooth, antlur 



'*'y bearded, ovary produced into a flexuous compressed twistea 





