396 



841. SORGHUM. 



4. saccharatum. Erect. Pan. spreading : 

 branches whorled, nodding. Glumes hairy. 

 Pales 3 in the perfect, 1 in the neutral floret. 

 BaiTen Fit. falling short of fertile. Root fi- 

 brous, a. 7- Escapes frojn cult. It. 



Tribe II. PANICEJE. 



842. DIGITARIA. 



1. san§;uinalis. Spikes 2-9. L. and 

 Sheaths hairy. Outer Glume minute, trian- 

 gulai- ; inner about half as long as pale. Mar- 

 gin of barren Fit. rough, a. 7-9. Cult. m. 

 and s. Eur. 



2. ciliaris. Spikes 4-8. Outer Glume 

 very minute, ovate ; inner about half as long as 

 pale. Barren Fit. ciliate with fine long hairs. 

 a. 7-9. Sandy, s. Fr. G. Sw. It. 



3. humifusa. Nearly smooth, much 

 branched. Spikes 2-4. Outer Glume want- 

 ing ; inner, and subobtuse barren Fit. downy, 

 about equal ; as long as pale. Pales equal, 

 successively investing the seed. a. 8, 9. 

 Sandy cult. Eng. rare. Belg. Fr. G. Sw. 



4. debilis. Smooth, bi'anched. Spikes 2-5. 

 Outer Glume wanting ; inner as long as pale. 

 Barren Fit. acuminate, exceeding pale. a. 

 5, 6. Ischia in the hot vapours of Casciotti. 



5. paspaliforxnis. Hairless, except at the 

 opening of the sheath, branched, creeping. 

 Spikes in pairs. Outer Glumes small, scariose, 

 sometimes wanting ; inner as long as pale and 

 barren Fit. p. 7. Nat. at Bordeaux. 



843. PANICUM. 



1. repens. Stoloniferous. Panicle few- 

 flowered. Branches erect. Outer Glume 

 broad and short, entii'e, surrounding base of 

 spicule ; inner and barren Fit. equal, acute, 

 plicato-nervose at the tip. L. folded, downy 

 above. Sheath smooth, except at mouth, p. 

 7-10. Sea-shore. Hyeres. Liguria. Sic. 



2. capillare. Pan. much branched, ca- 

 pillary, spreading, straight. Fl. widely scat- 

 tered. Outer Glume ovate, acute ; inner and 

 barren Fits, acuminate, smooth. Sheaths 

 haiiy. a. Summer. Nice. The small and 

 scattered Fl. form the most obvious distinction 

 between this and the following . 



3. miliaceum. Pan. lax, nodding. Glumes 

 acuminate, jflicato-nervose, hairless. Sheaths 

 hairy, a. 7- Escapes from cult. Fr. It. 



4. compressum. Pan. oblong, erect. 

 Spicules cUiate. L. and Sheaths downy. Culm 

 branched, compressed, p. 10, 11. Cole, rochs. 

 Sicily. 



5. TenerifFse. Pan. spreading, afterwards 

 closing. Glumes villous. Stalks smooth. 

 Throat of Sheath hairy. L. subulate, short, 

 flat, afterwards involute. Root somewhat 

 creeping, p. 6-8. Sandy coast. Messina. 



844. OPLISMENUS. 



1. undulatifolius. Spicules in distant 

 clusters on a simple spike. Rachis very hairy. 

 Glumes awned, smooth, somewhat fringed. 

 L. ovato-lanceolate, acuminate, undulate, a. 

 8, 9. Shade. It. Sw. n. It. 



2. Crus-Galli. Spikes compound or de- 

 compound. Fits, tiled. Glumes and baiTen 

 Fits, hispid, pointed or awned. Outer Pale 

 with a rough point. Rachis bristly, a. 7, 8. 

 Rich cult. s. Eur. Eng. very rare. 



3. zonalis. " Rac. spike-Kke, compound. 

 Branches simple, remote, erect. Spicules se- 

 cund, without awns. Rachis 3-edged. L. 

 without stipules, a. 8, 9. Fields. Palermo." 

 — Bert. 



4. eruciformis. " Rac. spike-like, com- 

 pound. Branches simple, approximate, erect. 

 Spicules secund, in two rows, without awns. 

 Perfect Fits, very blunt. Stipule (Ligule) 

 bearded, a. 8-10. Pisenum." — Bekt. Ter- 



845. SETARIA. 



1. ^lauca. Spicules crowded. Invol. 1- 

 flowered, of many setas, toothed forwards. 

 Outer Pale of complete Fits, strongly trans- 

 versely wrinkled, a. 8, 9. Cult. s. Em-. 



2. viridis. Spicules crowded. Invol. gene- 

 rally 1 -flowered, of 2-3 setas, toothed for- 

 wards. Pales nearly even. a. 7-9. Cult. Eng. 

 rare. s. Eur. 



3. verticillata. Pan. spike-like, lobed : 

 branches verticiUate. Invol. 1-flowered, of 

 many setas, their teeth reversed, a. 7, 8. 



Cult. s. Em-. 



4. italica. "Pan. spike-like, decom- 

 pound, lobed. Setas 2-3, toothed forwards. 

 Pale of complete Fit. nearly smooth. L. flat, 

 rough. Sheath smooth, a. ^, 8. Ctilt. Vienna. 

 Canton of Tessin." — Beet. 



5 . gei'inanica. " Rac. spike-like, nearly 



