181 



cuneata, 2' 5-6 cm. longa, 1'35 cm. lata, coriacea, glabra, e basi 

 5-nervia, nervis utrinque conspicuis, petiolo brevi suffulta. Spicae 

 ad 8*5 cm. longae, rhachi vix 2 mm. diametro. Craib, Kew Bull. 

 1911, p. 455. 



Chiengmai, Doi Sootep, 420 m^AVrr, 1300 on Pentacme siamensis* 



SANTALACEAE. 



Henslowia sessilis, Craib, ab H. heterantha, Hook. f. et Th. et 

 11. frutcsccnte, Benth., fructu sessili recedit. 



Itamuli glabri, cortice brunneo obtecti, ad 2*5 mm. diametro ; 

 ramorum cortex cinereo-brunneus, irregulariter longitudinaliter fissus. 

 Folia ovato-lanceolata, apice obtusa, basi in petiolum brevem 

 attenuata, 2'5-7'5 cm. longa, l'3-3'3 cm. lata, coriacea, utrinque 

 glabra, e basi trinervata, pedatim 5-nervata, nervis utrinque 

 conspicuis, nervis transversis plenmique subconspicuis. Flores 

 axillares, fasciculati, petiolis subaequales. Fructus vix maturus, 

 basi bracteolis parvis ciliatis instructus. Craib, Kew Bull. 1911, 

 p. 455. 



Chiengmai, Doi Sootep, 1050 m., Kerr, 1768. 



Scleropyron Wallichianum, Arnott F.B.I., v. p. 234; Coll. et 

 Hemsl., Journ. Linn. Soc.. xxviii. p. 121. 



Doi Saket, Ban Sun Pah Suk, in deciduous jungle, Kerr, 1026 j 

 Chiengmai, Doi Sootep, 330-660 m., Kerr, 1701, 1711. 



Distr. S. India, Ceylon, Burma. 



Lao name, Ma Krau Nam (ex Kerr). 



Osyris arborea, Wall. F.B.I., v. p. 232. 0. Wiglitiana, Hosseus, 

 ii. p. 385. 



Doi Chieng Dao, 2160 m., Hosseus, 394. 

 Distr. India, Indo-China, Yunnan. 



ElJPHORBIACEAE. 



Euphorbia hypericifolia, Linn. F.B.I., v. p. 249 ; Hosseus, ii. p. 404. 

 Kau Phra Dang, 200-320 m., Hosseus, 153. 

 Widely distributed iu the tropics. 



Euphorbia Kerrii, Craib, ab E. sessilijiora, Roxb., ovario longe 

 stipitato recedit. 



Rkizoma perenne, carnosum, ad 9 cm. longum, 4 cm. diametro, 

 Caules solitarii vel raro 3. 16-25 cm. alti, 5 mm. diametro, 

 altius sulcati, glabri. Folia reducta, anguste elliptica, acuta, dorso 

 carinata, 3 mm. longa, vix 2 mm. lata, glabra, petiolo brevi terete 

 suffulta ; stipulae minutae. Cymae sessiles ; bracteae ovato-lanceo- 

 latae, acuminatae, 5 mm. longae, 2'5 mm. latae, involucrum duplo 

 excedentes, dorso medio carinatae, glabrae. Involucrum circiter 

 5 nun. diametro, glabrum, e glandulis 5 et lobis 5 elliptico-obovatis 

 timbriatis ; glandulae contiguae, transverse oblongae, 1 mm. longae, 

 2 mm. latae, integrae. Ovarium glabrum, acute triangulare, 

 pedicello circiter 8 mm. longo glabro exsertum, recurvum. Stylus 

 0*5 mm. longus ; rami ad 1*5 mm. longi, glabri. Capsnla 6 mm. 

 alta, circiter 8 mm. diametro, glabra ; semina subglobosa, ad 3 mm. 

 diametro, albida, minutius arete pustulata. Craib, Kew Bull, 1911, 

 p. 455. 



