224 CLixiii. GEAMiNEiB. (J. D. flookei.) [Ai-istida. 



eylindric, coavolute, acuminate, tip produced into a long 3-partite (very 

 rarely simple) naked or feathery awn twisted below the branches ; palea 

 very narrow, embraced by the gl., sometimes minute or 0. Lodicules 2. 

 Stamens 3. Styles distinct. Grain narrow, free within the closely con- 

 volute gl. — Species (assumed; about 100, natives of warm countries. 



The species and synonymy as given below have been revised by Dr. Stapf 

 with the Oriental and African. 



Sect. I. OHi;TAEiA. Avm tripartite from the base, not or imperfectly 

 articulate with the top of the gl., persistent, glabrous. 



1. A. Cumlng'lana, Trin. & Rupr. in Mem. Acad Petersh. Ser. VI. 

 vii. (1849) 134 ; annual, dwarf, panicle very slender, spikelets (without the 

 awns) Y2~To ^^■< ^^^ inarticulate at the base. Steud. Syn. Oram. 140; 

 Mig. Fl. Ind. Bat. iii. 381 ; Hance in Journ. Linn. Soc. xiii. (1873) 135. A. 

 capillacea, Oav. Jc. v. 43, t. 468, f. 1 (non Lamk.) ; Steud. I.e. 134. A. 

 delicatula, Hochst. ex A. Rich. Tent. Fl. Abyss, ii. 293 ; Steud. I. c. 139. A. 

 tenella, £urz in Serb. Oalcutt. A. trichodes, Walp. Ann. iii. 753 ; Miq. 

 I. c. 380 ; Steud. I. c. 140. Chsetaria trichodes, Nees in Mook. Kew Jowm. 

 ii. (1850) 101. 



W. Bengal, Kurt. Chota Nagpoeb, Clarke. Pegu, Kv/rn; on the Shan 

 Hills, Colleit. — Distbib. China, Philippines, Afr. trop. 



Stem 3-10 in., tufted, very slender, leaves filiform. Panicle snbcylindiic, 

 narrow, loosely branched, rachis branches and pedicels capillary, scaberulons. S-pike- 

 lels green or purplish; gls. acuminate, II longest; Til as long as I, scaberulous; 

 arms of awn twice as long as the gls., capillary, median longest, 



2. A- Adscensclonis, Linn. Sp. PI. 82 {ei^cl. Syn. Sloans) ; annual 

 or perennial, panicle contracted, branches short or elongate and naked 

 below, spikelets (excl. awns) J-J in. acute, gl. I acuminate not awned, 



II obtuse or emarginate and muoronate, awn inarticulate at the base. 

 Kunth Enum. Fl. i. 190 ; Steud. Syn. Gram. 139. 



Thronghont the Plains and low Hills of India, Bubma and Ceylon, 

 ascending to 8000 ft. in Kashmir. — Distbib. Most warm countries. 



Stems 6 in. — 3 ft. , tufttd, usually almost filiform, rarely as thick as a crow-qnill, 

 smooth. Leaves very narrow, smooth or scaberulous. Panicle 3-12 in., subsimple 

 or compound, rachis and capillary branches nearly smooth ; branches very short with 

 subsessile fascicles of spikelets, or longer, and erect or spreading. Spikelets pale 

 green or purplish; gl. I i-J in., acute; II J-i in., tip truncate muoronulatej 



III -J— J in., smooth or scabrid ; middle branch of awn -^-^ in., rarely 1 in. 



Dr. Stapf, who has reviewed the whole genus, informs me that besides the following 

 synonyms, which apply to Old World forms, there are in the New World 11 others 

 under Arisiida,, and 14 under Chcetaria. 



Var. typica, Stapf. mss. ; gl. Ill about as long as II. A. abyssinica, Trin. 

 St Eupr. in Mem. Acad. Petersh. S«-r. VI. vii. (1849) 134. A. cajrulescens, 

 besf. Fi. Atlant. i. 109, t. 21, f. 2 ; Kunth I. c. 191, Suppl. 146 ; Steud. I. c. 138. 

 £oiss. Fl. Orient, v. 491 ; DutUe Grass. N. W. Ind. 26. A. canariebsis, Willd. 

 Unum. PI. 99. A. chsetopbylla, modatica, simplicissima & Tenerifiae, Steud. I. c. 

 139,420. A. curvata, Nees ex i. Rich. Tent. Fl. Ahyss. ii. 392. A. deprcssa, 

 Eetn. Ohs. iv. 22 ; Roxl. FL Ind. i. 351 ; Wall. Gat. n. 3786 ; Kunih. I. c. 190, 

 Suppl. 146 ; Thw. Enum. PI. Zeyl. 370 ; Trim. Cat. Ceyl. PI. 108 ; Dalz. ^ Giis. 

 Bomb. Fl. 295; Aitch. Cat. Panjab PI. 164 (excl. Syn. setaoea) ; Benth. Fl. Austral. 

 vii. 5(3; Duthie I. c. If Fodd. Grass. N. Ind. 47, t. 30. A. divaricata, Jacq. 

 Salop. Gram. 7, t. 6 {non Willd.). A. elatior, Cav. Ic. vi. 65, t. 589, f. 1 ; Kunth 

 I. l: i. 191. A. festucoidcs, Eoclnt. et Steud. ex Trin. ^ £upr. (non Poir.). A. 



