V 



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226 euphoi:biace-E (Brown). [Uvplwrbia^ 1 



■ 



Leaves sessile or subsessile, linear or linear- 

 lauceolate, very acute or somewhat pun- 

 gently pointed ; glands of the involucre 

 with a short point or horn at each end ... (2-i) striata. 



Leaves cuneately tapering into a more or less 

 evident petiole, obtuse or acutej bat not 

 pungently pointed : 

 Leaves J-§ in. broad, linear, linear-lanceo- 

 late orcuneatelyoblanceolate ; involucre 

 1-1 J lin. in diam.^ with entire glands (33) kraussiana. 



Leaves ^-2 in. broad, elliptic, elliptic-ovate 

 or oblong-lanceolate ; involucre 2-2J 

 lin. in diam, ; glands 2-3-toothed, or . ^ 



lobed or snbentire ... (34) transvaalensis. 



Leaves (including the petiole when present) 

 usually less than 1 in. (or in 32, £. epi- 

 cyparissias ; 24, £. striata ; and 25, A*. 

 trythrhuij var. ^, up to 1^ in.) long : 

 Annual ; leaves tapering into a conspicuous ' 



petiole, obovate, suborbicular or oA'ate ... (17) Peplus. 



Peiennials ; leaves sessile or very shortly 

 petiolate, but not tapering into a con- 

 spicuous petiole : 

 ^Leaves ovate, obovate, elliptic, oblong, 

 cuneately oblong, lanceolate or linear- 

 lanceolate ; 

 §Leaves obtuse or sububtuse, apiculate : 

 Leaves more or less reflexed or very 

 spreading, not imbricate : 

 Leaves 2i-4 lin. long ... ... (19) dumosa. 



Leaves 4-12 lin. long (32) epicyparissias 



and vara. 



Leaves ascending or ascending-spread- 

 ing : 

 Leaves numerouf; or crowded, 8-40 

 to an inch of stem, usually more 

 or less imbricate ; 

 Leaves ovate or broadest below the 



middle, puberulous (23) sclerophyllaj ! 



var. P- 



Leaves linear-lanceolate to elliptic, 

 but not broadest below the 

 middle, glabrous, sometimes 

 minutely ciliate : 

 3 2*-6 tir 

 broatT, linear-lanceolate to 

 1 i n e a r - o b 1 o n g, with a 

 straight apirulus at the 



apex (25) erythrina. 



Leaves not more (usually less) 

 than twice as long as broad, 



obovate to elliptic-oblong, 



with a recurved apiculus at i 



the apex : 

 Leaves minutely scabrous at 

 the margins, not ciliate ; 

 umbels J-J in. in diam., 

 with few involucre ,.. (2^) foliosa 



Leaves 2i-6 times as long as 



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