258 CLXXIII. GRAMINE2E. (J. D. Hooker.) [Agrostis. 



truncate crenate, callus quite naked, palea minute or 0, anthers short. 

 Agrostis n. 10, Herb. Ind. Or. Hook. f. & Thorns. 



SIKKIM HIMALAYA ; alt. 12-16,000 ft., J. D. H., Clarice, &c. 



Stem 4-6, rarely 8 in. Leaves usually convolute, upper sometimes flat, not ^ in. 

 broad ; lower sheaths green or purple. Panicle 1-2 in., strict, branches stout densely 

 imbricating, fig. to the base. Spikelets very shortly and stoutly pedicelled, 

 green or dark purple. A very common alpine grass, constant in habit at all 

 elevations. 



13. A. divaricata, Griseb. in Goett. Nachr. (1868) 82; stems 4-6 

 in. densely tufted capillary, leaves capillary, panicle small with widely 

 spreading divaricate sparingly divided branches and capillary pedicels, 

 spikelets yV~TV ^ n - 1 I an< ^ -^ very unequal ovate-lanceolate, I acute, II 

 acuminate, III about i shorter than II tip truncate crenulate, nerves very 

 faint, callus quite glabrous, palea most minute orbicular, anthers short. 

 Herb. Ind. Or. Hf. Sf T. No. 11. 



SIKKIM HIMALAYA, Yeumtoug, on moist banks, alt. 13,000 ft., J. D. H. 



The most delicate little species known to me, resembling Aira caryophyllea in size 

 and slenderness, but growing in dense tufts. Leaves about 1 in., convolute, 

 flexuous; ligule short, oblong. Panicle about 1 in. long and broad, branches gemi- 

 nate, quite smooth. SpiJcelets remote, purple, keels of gl. I and II scabrid, pedicels 

 rather long. Grain oblong. A single specimen of a Sikkim Agrostis in Herb. 

 Calcutta (n. 663 in part) without further habitat, resembles this in the small 

 stature and panicle, but has a much stouter stem, and flat leaves about TV~fV 

 in. gl. I and II are more obtuse. More specimens of both are much wanted. 



DOUBTFUL SPECIES. 



A. NERVOSA, Nees ex Trin. in Mem. Acad. Peter ,1. Ser. VI. vi. II (1845) 328 ; 

 Steud. 8yn. Gram. 165 ; Duthie Grass. N,W. Ind. 30; leaves flat, ligule very 

 short, panicle 4 in. lower branches 4-nate naked below, gl. I and II subequal 

 hardly -JL in. acute, III shorter, awn 0, palea rather shorter than the ovary, callus 

 very shortly retrorsely pilose. Nepal. (See Calamagrostis pilosula). 



A. PEOCEEA, Rctz. Obs. iv. 19. ? Thysanolcena Agrostis. 



A. WIGHTII, Nees ex Steud. I.e. 168; leaves flat margins scabrous, ligule 

 ovate, panicle long capillary, branches 2-4-nate, branchlets 2-3-chotomous scabrid, 

 gl. I and II equal subobtuse, keel scabrid III =11 3-denticulate, palea rather 

 longer than the ovary ovate-lanceolate acute. Vilfa vulgaris, Wight Serb. 78 (ex 

 Steud.). 



A. ZENKEEI, Steud. I.e. 170; stem exceedingly slender scaberulous above, 

 leaves 1-1 i n - erect strict convolute retrorsely scabrid, ligule obtuse, panicle 

 pyramidal, rays 2-nate widely spreading, spikelets 1| line purple, gl. I and II equal 

 acute, III as long shortly denticulate 5-nerved awn 0, palea as long 2-nerved, 

 callus hairy all over. Nilghiri Hills. 



73. MUEHLENBERCrlA, Schreb. 



Annual or perennial very slender grasses. Leaves narrow, flat. 

 Spikelets very numerous and minute, 1-fld., panicled, terete, not jointed 

 on their pedicels ; rachilla jointed at the base, not produced. Glumes 3, I 

 and II persistent, equal or unequal, 1 -nerved ; III as long or longer 

 than I and II, terete, membranous, 3-nerved, hairy below the middle, tip 



