Androj)ogon.] clxxiii. OEAMiNBiE (J. D. Hooker.) 165 



them as genera, especially Chrysopogon, Oymbopogon and Heteropogon; and 

 his section PseudanthisUria of subgen. Sypoginium, should certainly rank as a 

 genus closely allied to Anthistiria. — The following is Hackel's grouping : — 



Series I. IsozToi. Sessile spikelets of all the pairs alike in sex and form 

 throughout the spikes. 



* Peduncle of spikes enclosed in spathiform leaf -sheaths. 



f Joints of raohis and pedicels of upper spikelets clavate or trumpet -shaped, top 



cnpular with toothed margins. 



§ Spikes solitary on the peduncle. 



Pedioelled spikelets smaller than the sessile ... 1. Schizaohteium. 



Peduncled spikelets larger than the sessile . . . .2. Diectomis. 



§§ Spikes 2 or more on the peduncle 3. Abtmeoloi'his. 



tf Joints of rachis and pedicels of upper spikelets slender, 



top obliquely truncate cupped or not . . . ' . 4. Hypoqynium:. 



** Fedancles of spikes not enclosed in spathiform leaf- 

 sheaths ; joints of rachis slender. 



Joints of rachis and pedicels of upper spikelets linear com- 

 pressed with usually a central translucent channel and 

 thickened margins 5. Amphilophis. 



Joints of rachis very few, filiform, opaque ; lodicules cilia te j 



grain dorsally compressed ...... 6. Sobghttu. 



Joints of rachis many, stout or slender, opaque ... 7. Vbtitekia. 



Joints of rachis few ; spikes articulate on the obliquely 



truncate bearded tips of the branches of the panicle . 8. Chrtsopoooit. 

 Series B. HETEBOZYai. Lowest one or more sessile spikelets diUering from all 



those above it in sex or form. 



Spikes many (rarely 1 or few) on the peduncle digitate, 



sessile spikelets dorsally compressed .... 9. Diceanihivm. 



Spikes binate on the peduncle which is enclosed in a spathi- 

 form sheath ; sessile spikelet dorsally compressed . . 10. Cyubopoooit. 



Spikes solitary, lower pairs of spikelets very unlike the 



upper; upper sessile spikelets cylindric . . .11. HKTEBOPoaoN. 



Subgen. I. Schizachykium, Benth. Spikes solitary ; peduncle in a 

 spathiform leaf-sheath ; joints and pedicels clavate or bucciniform, mouths 

 broad cupnlar irregularly toothed. Sessile spikelets dorsally compressed, 

 callus short ; gl. I keeled ; II not awned ; IV hyaline, 2-fid, awned in the 

 cleft. Pedicelled spikelets usually small, imperfect and withering. 



* Annuals. 



1. A. brevlfolius, 8w. Prodr. Veg. Ind. Oca. 26, Fl. Ind. Oec. i. 

 209 ; glabrous, stems slender straggling much branched leafy, leaves 

 divaricate linear obtuse or subacute, spathes very narrowly linear sprea'i- 

 ing, spikes glabrous or sparsely hairy. Zunth Revis. Gram. ii. 663, 

 1. 196, Enum. PI. i. 488, Svppl. 399 ; Steud. 8yn. Gram. 366 ; Hack. Monogr. 

 Androp. 363 ; ^ in Mart. FL Bras. ii. III. 302 ; Benth. Fl. Mongk. 423 ; 

 Buthie Grass. 'N. W. Ind. 19, Fodd. Grass. N. Ind. 34 ; Griseh. Fl. Brit. 

 W. Ind. 638. A. debilis, Zunth I. c. A. flaocidus, A. Bich. Tent. Fl. 

 Abyss, ii. 452. A. floridus, Trin. in Mem. Acad. Petersb. Ser. VI. ii. (1833) 

 265. A. fragilis, Br. Prodr. 202 ; Kunth JEnum. I. c. A. obtusifoliua. 

 Poir. Fncycl. Suppl. i. 583. A. parviflorus, Boxb. Fl. Ind. i. 274. A. 

 tenellus, Presl Rel. 3senk. i. 335. PoUinia fragilis & brevifolia, Spreng, 

 Syst. i. 288, 289. P. vaginata, Spreng. Pugill. ii. 11. Sohizachyrium, 

 brevifolinm, Nees Agrost. Bras. 332. — Andropogon, Wall. Oat. n. 8824-5- 

 6. Batratherum, Wall. I. c. n. 8827. 



Tbopical Him,4laya, from Kumaon to Sikkim, Behae, Centeal India, 



