230 Jour., Bom. Nat. Hist. Soc, Vol. XXXIII, No. 2 [Fed. 15, 1929. 



61. Isachne, R. Br. Prodr. Fl. Nov. Holl. (1810), 196 ; 

 Cke. ii, 922. 

 For discussion of the genus see : Chase Genera Paniceae. iv. Proc. Biol. Soc. 

 Washington 24 (1911), 149 and Hitchcock North Americ. Species of Isachne in 

 Contrib. U.S. Nat Herb. 22 (1920), 115. 

 Key in Cke. ii, 922. 



1. Isachne Li«boae, Hook. f. in F.B.I, vii (1896), 22 ; Cke. ii, 922. 

 Description : Cke. 1. c. 



Locality : Deccan : Mahableshwar, elevation 4,000 ft., rainfall 270 inches 

 (Sedgwick and Bell 4581!), Fitzgerald Ghat, Mahableshwar (Woodrow!), 

 common near the lake (McCann!); Panchgani, First Tableland (Blatter and 

 Hallberg!), very common on Tableland (McCann !). 



Distribution: This species is very local, inhabiting apparently only the 

 Panchgani and Mahableshwar plateaux. 



2. Isachne elegans Dalz. in Dalz. & Gibs. Bombay Fl. (1861), 291 ; Hook. f. 

 in F.B.I, vii, 23 ; Cke. ii, 923. 



Description: Cke. I.e.— We have found specimens reaching the following 

 dimensions : Stem 90 cm. ; leaves 25 by 1 cm., or broader, sparingly hairy or 

 almost villous ; panicle 25 by 15 or more cm. 



Locality : Konkan : Pen, in inundated land (Dalzell).— Deccan : Margins of 

 rivulets in the Deccan (Dalzell and Gibson) ; Mahableshwar, elevation 4,000 

 ft., rainfall 270 inches (Sedgwick and Bell 4583!); Panchgani, Tableland, 

 forming, large patches (Blatter 5080 !) ; Sinhagad forest (Bhide!) ; Nasrapur 

 to Purandhar (Bhide 1001 !) ; Purandhar, N. foot (McCann 5048 !) ; Lohagad 

 Fort, top (McCann 9560 !) ; Kbandala, behind hotel (McCann 9555 !); Lonavla 

 (Woodrow 175) ; Ganeshkhind Gardens (Herb. Econ. Bot. Poona!); between 

 Poona and Karli (Jacqueraont 556).— 5. M. Country : Dharwar, rice fields, 

 elevation 2,500 ft. (Sedgwick 1829!).— Kanara : Halyal, rice fields (Talbot 

 2305 !).— Usually forming large mats in damp soft soil, and then not growing 

 very tall. 



Distribution : So far endemic. 



3. Isachne australis, R. Br. Prodr. (1810), 196; Cke. ii, 923.— For synonyms 

 see Hook. f. in F.B.I, vii, 923. 



Description : Cke . 1 . c . 



Locality : Gujarat : (Lisboa). — Konkan : Nagotna, in dry plains (Gammie 

 16064!); Kharda (Ryan 565!) ; Bhandup (McCann 9841!); Matunga to 

 Mahim (McCann 9842 !) ; Andheri (McCann 5129 !) ; Sion (McCann 5244 !) ; 

 Pen (McCann 5390 !) ; Alibag, rice fields (Ezekiel !); Mulgaum, tank (McCann 

 5103 !) ; Matheran, Charlotte Lake (D'Almeida A247 !).— Deccan: Khandala, 

 common (McCann 9840 !) ; Sakarpathar, Lonavla (Gammie 15961 !) ; Igatpuri 

 (Blatter and Hallberg 4308 !) ; Poona (Lisboa) ; Mahableshwar (Woodrow) ; 

 Nasik (Lisboa).— S.M. Country : Dharwar District, rice fields, elevation 1,800 

 ft., rainfall 35 inches (Sedgwick 3737 !) ; Kunnur, marshes, elevation 2,000 ft., 

 rainfall 35 inches (Sedgwick and Bell 4936!) ; Londa (Bhide \).— Kanara : 

 Karwar (Bell !) ; Gohann (Herb. Econ. Bot. Poona !) ; Halyal (Talbot 2160 !); 

 Sirsi to Siddhapur (Hallberg and McCann A19 !) ; Yellapore (Talbot 1521 !) ; 

 Kadgal (Herb Econ. Bot. Poona !). 



Distribution : All over India, Australia, New Zealand. 



4. Isachne miliacea, Roth. Nov. PI. Sp. (1821), 58; Cke. ii, 923.— For syno- 

 nyms see Hook. f. in F. B. I. vii, 25. 



Description : Cke. I.e. 



Locality: Konkan: (Woodrow).— Deccan : Lonavla (Woodrow); Maha- 

 bleshwar, in forests, fairly common in one spot (McCann !).— Kanara : Sulgeri, 

 500 ft., rainfall 200 inches (Sedgwick and Bell 4248 !) ; Yellapore (Talbot 1522'); 

 Gersoppa Falls, Mysore side (McCann & Hallberg A23 !). 



Distribution : More or less throughout India, Ceylon, China, Malay and 

 Pacific Islands, S. America. 



62. Arundinella, Raddi Agrost. Brasil. (1823), 37 ; Cke. ii, 999. 

 Species about 55. — In the tropics. 



Cooke describes 12 species from the Bombay Presidency. We retain them 

 all except that we change A. agrostoides, Trin. into A. ciliala, Nees, and A. 



[2] 



