NEW AND LITTLE-KNOWN MADAGASCAR PLANTS. 47 



ovatis basi latis acutis, floribus subcapitals, perianthii tubo 

 elongato extus sericeo-tomentoso, lobis oblongis obtusis, squamis 



ovatis basi snbcordatis. 



A shrub 2-3 feet high ; branches silky hairy when young, 



becoming glabrous, red and rugose with age. Leaves about 2 cm. 

 long and 1 cm, broad, densely hairy below but becoming glabrous 

 (except for a few scattered hairs) above. Peduncles about 1 cm. 

 Capitula many-flowered ; bracts 5-7 mm. long and 3 mm. broad 

 at base. Corolla-tube about 1 cm., with segments 3 mm. long. 

 Stamens, 5 almost exserted and 5 halfway down the tube. Scales 

 shorter than corolla-lobes. 



Rocky places near Fort Dauphin, 3030 ! 



» 



* 



Lasiosiphon Hildebrandtii, sp. n. 



Frutex, ramulis nigris junioribus sericeo-pubescentibus, foliia 



oblanceolatis obtusis vel acutis etiam subcuspidatis ad basin 



attenuatis utrinque appresse pilosis, capitulis longe pedunculatis, 



bracteis ovatis acuminatis villosis, perianthii tubo elongato 



externe dense villoso, segmentis obtusis vel emarginatis, squamis 

 oblongis, ovario hirsuto. 



A shrub 2-3 feet high, with softly pubescent stems and leaves 

 crowded at the ends of the branches. Leaves covered on both 

 sides with soft silvery hairs, usually 2 # 5-4'5 cm. long and 6-15 



mm. broad. Corolla about 1*5 cm. long; lobes 5 mm.; scales 

 2-3 mm. Stigma very hairy. 



Hildebrandt, 3369 1 Open places amongst rocks. Port 

 Dauphin, Scott Elliot, 2363 ! 



ETTPHOEBIACE^E. 



EUPHORBIA MANCINELLA, Baill. 



Commerson ! Only at Paris. 

 Near Port Dauphin, 2669 ! 



Euphorbia lophogona, Lam. 



A very curious species, hitherto only gathered by Commerson. 

 Woods, Fort Dauphin, 2673 ! 



Euphorbia Commersonii, Baill. in Bull. Linn. Soc. Bar. i. 

 p. 623; floribus breviter pedunculatis, bracteis latis obovatis, 

 involucro cupulari 5-glanduloso, sqnamis ovatis laciniatis glandulis 

 alternis circa ovarium conniventibus auctis, basi ciliatis. 



Thickets, Fort Dauphin, 2594 ! 



