254 Graminece. [Gamotia. 



Stem very stout, tall, basal l.-sheaths equitant. 



Spikelets long-awned i. G. Thwaitesii. 



Spikelets awnless 2. G. TECTORUM. 



Stem slender. 



Spikelets £-J in. long. 



Ligule a short membrane . . . . 3. G. fuscata. 



Ligule of long hairs 4. G. FERGUSONI. 



Spikelets ^"^o m - ^ on S- 

 Annual. 



Spikelets long-pedicelled . . . . 5. G. micrantha. 

 Spikelets shortly pedicelled . . .6. G. COURTALLENSIS. 

 Perennial 7. G. panicoides. 



1. G. Thwaitesii, Stapfin Fl. B. Ind. vii. 241 (ii 

 G. scoparia, Thw. Enum. 363. C. P. 942. 

 Fl. B. Ind. 1. c. 



Stem erect, 2-4 ft., rigid, as thick as a goose-quill below,, 

 smooth, polished, solid, internodes 3-5 in., nodes glabrous; 

 1. 1-3 ft. by tV~i m -> narrowly linear, acuminate, rigidly 

 coriaceous, smooth above, beneath and margins scabrid, lower 

 very narrow, wiry, striate, base not contracted, sheaths of 

 lower 3-6 in., flattened, equitant, margins woolly, of upper 

 cylindric, coriaceous, appressed or inflated, smooth, polished, 

 margins eciliate, ligule a ridge of minute hairs ; panicle 

 12-18 in., erect, contracted, rhachis smooth, branches in- 

 numerable, fascicled, filiform, erect, subsimple; spikelets \ in. 

 long, rather distant, erect, shortly pedicelled, minutely 

 bearded at the base; glumes I and II narrowed into short 

 awns, brown and polished when ripe, veins very sparingly 

 scabrid, III stipitate, acuminate, awn about \ in., inserted in a 

 minute notch, geniculate; lodicules cuneiform, retuse. 



Hotter parts of the Island, not uncommon. Rocks in the Western 

 Province (Ferguson). 



Endemic. 



Grows only in the crevices of rocky hills, or in the merest bits of 

 earth on the faces of rocks (Ferguson). 



2. G. tectorum, Hook.f. Fl. B. Ind. vii. 242 (1896). Tab. XCIX. 



(strict a). 



G. stricta, Thw. EnUm. 363 (excl. syn.). (?) Berghansia mutica, Munro 

 in Proc. Amer. Acad. iv. (1864), 362. C. P. 2968. 



Fl. B. Ind. 1. c. 



Stem very tall, stout, as thick as a small goose-quill below, 

 smooth, polished, solid, internodes glabrous; 1. 2-2^ ft. by 

 \-\ in., linear, obtuse, rigidly coriaceous, striate, smooth on 

 both surfaces, margins smooth or scaberulous, base not con- 

 tracted, lower very narrow, woolly towards the base, Upper 

 broad, glabrous, sheath of lower 6-8 in., subcompressed, 

 equitant, narrow, woolly in the upper half, of upper loose, 

 smooth, ligule a ridge of woolly hairs; panicle 12-18 in., 



