£upho7'bia.] 



CXXII. EUPHORBIACE.E (bROWN). 



478 



Involucre and ovary glabrous, 



solitary or in a terminal 2-3- 



flowered cyme 

 Plant 1t]-3 or more ft. high ; in- 

 volucres scattered along one side 

 of long flowering branches or 

 solitary in the forks and ter- 

 minal. 

 Ovary and capsule pilose or tomen- 



tose with rather long soft 



spreading hairs. 

 Capsule thinly hairy ; styles h 



lin. long .... 

 Capsule densely hairy ; styles 



1-1^ lin. long 



Ovary and capsule puberulous with 

 minute adpressed hairs or 

 minutely white-tomentose ; 

 leaves linear to elliptic. 

 Leaf- blade |— 2 in. long, entire ; 

 styles 1 lin. long; seeds con- 

 stricted at the middle . 

 Leaf-blade 1-4^ in. ^ong, usually 

 more or less toothed ; styles 

 ^1^ lin. long. 

 Leaves petiolate, without 

 gland-tipped teeth at the 

 base ; seeds ovoid, acute, 

 tuberculate 

 Leaves subsessile with a spread- 

 ing,' glnnd-tipped tooth on 

 each side at the base; seeds 

 dorsally tiattened, 3-grooved 

 down the inner face . 

 "tt Involucres in terminal 3-10-rayed 

 umbels of forked or umbellately 

 divided (rarely simple) rays, with 

 or without similar rays arising 

 below the umbels, in a few species 

 with the umbel reduced to a small 

 terminal head-like cluster; loaves 

 opposite below the whorl under the 

 umbel in 52, J^. verticillata, al- 

 ternate in all the others. 

 Leaves or the lower reflexed or re- 

 curved -spread! ng. 

 Leaves 1^3|^ in. long, lanceolate 

 to elliptic-lanceolate; involucre- 

 glands reniform, 2-lipped, en- 

 tire 



50. E. ledermamiiana. 



40. A'. Benlhumi. 



13. E. systyUddts, ^•a^. 

 hebevarpa. 



42. A', systyla. 



43. E. sifstyloides 



44. A'. pseiidoJiolsfii. 



02. E. vyanden/ti' 



Leaves oblanceolate ; involurre- 

 glaiids with a minute point 

 (not horn) at each end . 



07. //. pefUiaua. 



