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146 CLXxiiL GRAMiNE^. (J. J) Hooker.) [Arthraxm^ 



Hance in Jonrn. Linn, Soc. xiii. (173) 134. Andropogon Retzii <fc incertus, 

 Sieud. Syn. Gram. 375.— Arthraxon, Wall Cat. n. 8833. 8835 A. (B. m 

 part) 8836. 



Hilly districts of India from Kashmir eastwards to Burma, ascending the 

 Himalaya to 5500 ft., and southward to the Nilghiri Hills and CetlON. 



Stems tall or short, weak, rarely as thick as a crow-quill, tufted and branchea 

 from the base, or with long creeping stems and ascending leafy branches. -^^^^^.^^ 

 1-3 in., ovate to lanceolate, glabrous or laxly hairy, margins ciliute ; sheath wi 

 ciliate margins. Spikes few or many, on long naked or spathaceously sheatbea 

 glabrous peduncles, pale green or purplish, SpiJcelets \-\ in., lanceolate or ^^^J^^' 

 hmceolate, callus naked or shortly bearded; gl. I scaberulous, T-lO-nerv'ca ; 

 obscurely 3-nerved ; III much shorter, oblong acute ; IV usually awned. ^^^^ 

 variable in length never = \ gl. IV.— I give below Hackel's grouping of the tft 

 principal forms of this protean plant and their synonymy. For his 6^^^*^^*^^!,?"* 

 division of these into 4 .nibspecies and 9 varieties I must refer to his work.^ - 

 are founded on characters of unequal value, and subject to diverse limitation . 

 After a long study of the mass of materials at Kew I recognize the *"ol^^^^'**^^ Jl ^^^^ 

 distributed leading Indian forms: — 1, 4. violaceus \ rather robust, spikes 6-^ ^ 

 in. long, spikeltts \ in. more or less purple, awns twice as long as the ^P . ^^^ 

 shorter ; 2, nudus, usually tall and widely stra<rgling, spikes many 1-2 m. «7 



il 



spikes 2-3 rarely more ^-J in. long, rachis capillary nearly glabrous, spiKeiew to ^^ 

 u-JUally purple, approaches nearest to A. microphyllus ; 4, muriculatus ; hao^ 

 plumleusy but nerves of gl. I echinulate nearly to the base. — N.W. India- 

 Harkel's two loading groups to which I have added a third : — 



a. Joints of rachis glabrous, or ivith a few scattered hairs towards the I'^p- 

 A. ciliaris, Beauv, L c. A. gracilis & lasiocoleos, Hochst, in Flora, xx • 



(1856) 1^-8, 189. A. japonicus, Miq. Ann. Mus, Bot. Lngd. Bat. ii. 28S. ^• 

 lanceolatus & nudus, Hochst. in Flora, xxxix. (1856) 159. A. Langsdorhanu^ 

 Hoclist. I.e.; Boiss, FL Ori^nf. v. 455, A. nudus, Benth, ex Clarke m Jo^' 

 Lhm, Soc. XXV. (1889) 86. Batrntherum nudum, N'ees ex Steud. Sifn. (^^f^'J^^. 

 Pleuroplttis centro-asiatica, Griseh. in Ledeh. FL Ross, iv. 477. P. L^"&-y^{T t' 

 Trin. Fund. Agrost. 175, t. 16, Lucsea gracilis, Kunth Revis. Gram. ii. 4-^^» ' 

 159, Efjum, i. 472. L. Langsdorffiana, Steud. I.e. 413. Lasiolytrum mrt" ' 

 Steud. in Flora (1846) 18; S^n. Gram. 12. Las. pilosum, Steud. ex Jord. «n J^^ 

 Soc. Sc. Nat. Ch^rb. v. (1857) 299. Pollinia ciliaris, Sprevg. Syst. i. ^^^' 

 Andropogon amplexifolius, Trln. in Mem. Acad. Pdersh. Str. VI. ii. 1^3^^ ^/ 

 A. lasiocoleos & nudus, Steud. L c. 383. Phalaris hispida, Thunh. FL J'^P- 

 Deyeuxia japonica, Spreng. I, c. 254. 



b. Joints of rachis, at least the upper, more or less ciliate, igg^ 

 A. coloratu-s major, Schimperi, Sehmidtii & violaceus SochsL h ^* ^.^j* 



Batratherum plumbeum, Munro ex Dufhle in Atkinson Gazette, 640. P^^^^^^t ^ 

 ciliata, Schmidt Beitr. FL Cap. Verd. Ins. 152. P. plumbea & violacea, S^^^^' ' ^ 

 414. P. Quartiuiana, Kegel in BnU. Acad. Petersh. v. (1866) 757, TTight ta -^ 

 1683. P. cauca!?icii, Rupr. ex Kegel in Bull. Acad. Petersh. x. (1866) 373. ^^^^^ 

 ciliata, major, plumbea & violacea, S^euc?. /. c. 414. Andropogon AlectoriUia, >5 

 /. c. 383. A. violaceus, Hei/ne ex Steud. L c. 414. Alectoridia Qaartim 

 A. Rich. Tent. FL Abyss, ii. 448. t, 99.— WalL Cat. n. 8833 A. .^^J, 



c. Spikes silkily villous, spikelets ^ iVi., gl. I acu'c entire or minutely 2-to 

 awn i in. or more. . ^, 



A, cuspidatus, Hochst. in Flora (1856) 188; Hack. Monogr. Androp. 3^3' ^.Z 

 micans, Hochst. L c. Batratherum micans, Nees in Ann. Sr Mag. NaL ji^^' j. 

 (1835) 220. Pleuroplitis major, Re^jel in BulL Acad. Petersh. v. (1866) 750 (^^^ 

 Syn. Luc<xa major). Andropogon cuspidatus, HochsL ex A. Kich. 1'^^\i f Ln. 

 li. 456. A, lanceolatus, Baker FL Maurit 444 {non Eoxb.). A. micans, Ste^^' ' 

 Gram. 382.— N.W. Himalaya, Nilghiri Hills, Mauritius, Afr. trop. 



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