May 31, 1929.] Revision of the Flora of the Bombay Presidency 



482 



TRIBE X. SPOROBOLE^E 



79. Sporobolus, R. Br. PI. Nov. Holl. (1810), 169; Cke. ii, 1017. 



Species about 95.— Warm regions of both hemispheres, most abundant in 

 America. 



Cooke describes 10 species. We retain all of them and add 3 others : 

 5". virginicus, Kunth, 5. scubrifolius, Bhide, and 5. tremulus, Kunth. 



A. Involucral glumes both shorter than the floral 



glume 

 I. Stamens 2 



1. Culms 30-90 cm. high ;: panicle reaching 



25 cm. 



2. Culms scarcely 15 cm. high ; panicle 



reaching 20-25 cm. 

 II. Stamens 3 



1. Panicle narrow, 12-20 mm. broad. Spike- 



lets reaching 2*5 mm. long 



2. Panicle reaching 7*5 cm. broad 



a. Panicle 30-45 cm. long. Spikelets 



1 mm. long 



b. Panicle 10-15 cm. long. Spikelets 



2 mm. long 



B. Lower involucral glume as long as the floral 



glume or nearly so. Panicle interrupted 

 I. Spikelets 2'5 mm. long. Leaves very 

 pale 

 II. Spikelets 1*5 mm. long. Leaves glaucous. 



C. Lower involucral glume much shorter than 



either of the two others 

 I. Panicle contracted 



1. Perennials 



a. Margins of leaves smooth ... 



b. Margins of leaves serrulate ... 



2. Annual... 

 II. Panicle effuse 



1. Spikelets 2*5 mm. long 



2. Spikelets 1-1*5 mm. long 



a. Floral glume ovate, acute ... 



b. Floral glume ovate-lanceolate, acumi- 



nate ... ... ... 13. 



1. 



5. diander. 



2. 



S. sindicus. 



3. 



S. indicus. 



4, 



S. minutiflorus 



5. 



S. io dados 



6. 

 7. 



S. virginicus. 

 S. glaucifolius. 



.. 9. 

 .. 10. 



.. 11. 



.. 12. 



►S. tremtclus. 

 S. orient alts. 

 S. piliferus. 



S. arabicus. 



S. scabrifolius. 



S. coromandelianus. 



1. Sporobolus diander, Beauv. Agrost. (1812), 26 ; Jacq. Eclog. Gram. t. 28 ; 

 Link Enuin. Hort. Reg. Berol. i, 87 ; Kunth Enum. PL i. 213 ; Griff. Notul. 

 iii, 46, Ic. PI. Asiat. t. 139, f. 85 ; Dalz. & Gibs. Bomb. Fl. 296 ; Aitchis. Cat. 

 Paniab PI. 165 ; Duthie Grass. N. W. Ind. 29 ; Fodd. Grass. N. Ind. 40, t. 63 ; 

 Miq. Fl. Ind. Bat. iii, 375 ; Hook, f in F.B.I, vii, 247 ; Cke. ii, 1017. -Agrostis 

 diandra, Retz. Obs. v, 19; Roxb. Fl. Ind.i, 317.— Vilfa erosa, Trin. in Mem. 

 Acad Petersb. ser. vi, Sc. Nat. ii (1840), 86.— V. Retzii, Steud. Norn. ed. ii, 

 ii, 768, Syn. Gram. 162. 



Description : Cke. ii, 1017. 



Locality : Sind : Jamesabad, fields (Sabnis B927 !).— Gujarat : Ahmedabad 

 (Sedgwick \).—Konkan : Bombay (Blatter 5267 !).— Deccan : Deolali (Blatter 

 549!); Khandala (McCann 5409!); Chattarshinji Hill, Poona (Ezekiel !, 

 Jacquemont 352) ; Katraj Ghat (Shevade !) ; Panchgani (Blatter & Hallberg 

 B1318!).— S. M. Country: Dharwar (Sedgwick 2658!); Londa (Bhide !).- 

 Kanara : Dandeli, 1,800 ft., rainfall 100 inches (Sedgwick & Bell 4221 !). 



Distribution : India, Ceylon, Asia, tropical Australia. 



2. Sporobolus sindicus, Stapf in Cooke Fl. Bomb, ii, 1018. 

 Description: Cke. I.e. 



Locality : Sind : 20 miles from Karachi (Woodrow).— We have not seen this 

 species. 

 Distribution : So far endemic. 



[3] 



