38 



Near Lakon. forming the greater part of some dry jungles, 

 300 m., Kerr, 973 ; Siam, Kurz. 

 Distr. Upper Burma. 

 Lao name, Mai Hooak (ex Kerr). 



Oxytenanthera albociliata, Munro F.B.I., vii. p. 401 ; Gamble, 

 Ann. Roy. Bot. Gard. Calc., vii. p. 70, t. 61. Gigantochloa albo- 

 ciliata, Kurz, For. Fl. Burma, ii. p. 555. 



Between Lakon and Phre, near Pang Pooey, 420 m., Kerr, 984 ; 

 Chieng Dao, in eng jungle, 390 m., Kerr, 1060. 



Distr. Burma. 



Lao name, Mai Pahng, Mai Bong Pah (ex Kerr). 



Oxytenanthera Hosseusii, Pilger Hosseus, ii. p. 369. 

 Nakontai (ex Hosseus). 



Dendrocalamus Brandisii, Kurz F.B.I., vii. p. 404 ; For. Fl. 

 Burma, ii. p. 560 ; Gamble, Ann. Roy. Bot. Gard. Calc., vii. 

 p. 81, t. 71. 



Chiengmai, 300 m., cultivated, Kerr, 891. 



Distr. Burma. 



Lao name, Mai Sang Yen (ex Kerr). 



Dendrocalamus membranaceus, Munro F.B.I., vii. p. 404; For. 

 Fl. Burma, ii. p. 560 ; Gamble, Ann. Roy. Bot. Gard. Calc., vii. 

 p. 81, t. 71. 



Between Lakon and Phre, near Ban Meh Tah, on sides of 

 limestone ravines, 300 m., Kerr, 996. 



Distr. Burma. 



Lao name, Mai Sang (ex Kerr). 



Dendrocalamus nudus, Pilger Hosseus, ii. p. 369. 

 Chiengmai, 300 m., Hosseus, 290. 



GYMNOSPERMAE. 



CYCADACEAE. 



Cycas immersa, Craib, sp. n., a C, pectinata, Griff., et C. siumcnsi, 

 Miq., quibus affinis, costa foliolorum supra immersa hand prominentc 

 recedit. 



Truncus erectus, ad 90 cm. altus (ex Kerr). Folia circiter 70 cm. 

 longa, petiolo circiter 19 cm. longo superne lateraliter spinoso 

 sufrulta ; rachis subtus inferne conspicue carinata, apicem versus 

 convexa, plus minusve glabrescens, supra plus minusve distincte 

 carinata ; foliola utrinque numerosa, lineari-lanceolata, parum 

 falcata, apice pungentia, ad 15 cm. longa, 7 mm. lata, rigida, supra 

 glabra, subtus minute parce brunneo-pubescentia, costa supra 

 immersa subtus valde prominente. Carpophylla ambitu obovata 

 6*5-10*5 cm. longa, ad 5 cm. lata, tota, ovulis exceptis, hirsuto- 

 tomentosa, ochrascentia, parte inferiore pedicellum simulante ;ul 

 fere 4 cm. longa superne constricta ibique utrinque ovulo solitario 

 instructa, parte superiore laininam acuminatam pectinato- 

 pinnatifidam simulante ad 6 cm. longa et 5 cm. lata. Strobili rf 

 ambitu oblongi, ad 21 cm. longi et 8 cm. diametro, pedunculo com- 

 muni ad 5 cm. longo basi uudo superne squamis obtecto suffulti ; 



