351 



I 





Stems remotely leafy, leaves ovate-lance- 

 olate to lanceolate a, jasminoxdes, typica. 



Stems remotely leafy, leaves linear ... ft'var. viminea. 



Stems rather closely leafy throughout, 



leaves ovate-lanceolate y. var. muUifiom. 



Stems rather closely leafy tfnly below, 



leaves ovate to ovate -lanceolate ... S. var. tabular is. 



Stems much diffusely branched, leaves and flowers rather 

 small : — 



Leaves about £ in. long, not more than twice as long as 

 broad — S. Africa. 24. C. serpylh [folia. 



Corolla-lobes ovate-lanceolate, subacu- 



minate; leaves ovate a. var. serpyllifirtia, 



typica. 

 Corolla - lobes lanceolate, acuminate ; 



leaves narrow-ovate, £ in. long 1 ... /?. var. laxa. 

 Corolla - lobes lanceolate, acuminate ; 



leaves narrow-ovate, $ in. long ... y. var. micropliylla. 



Leaves § in. long or longer, at least four times as long as 



broad : 



Corolla-lobes acute — S. Africa. 25. C. laxa. 



Corolla-lobes obtuse — only known in cultivation. 



26. C.floribuncta. 



Stems below decumbent and rooting at the nodes ; leaf- 



Sect 

 uniform 



margins very minutely 6cabridulous ; corolla lobes acute 

 S. Africa. 27. C. maritima. 



* 



ion 7.— Ixochiron. Calyx 5-M, viscid ; corolla-tube cylindric, 

 Qi ; anthers straight ; ovary acute, ovoid ; capsule viscid. 



Stems erect ; leaves cuneate at base : 

 Calyx not longer than corolla-tube, its lobes narrow, acute or 



acuminate : — 

 Leaves more or less glandular-scabridulous, especially near 



margins 



S. Africa. 28. C. scabritla. 



Leaves oblong or elliptic «• scabrida ty/>iea. 



Leaves lanceolate-oblong to lanceolate ... p. var. hgubjolia. 



Leaves not glandular-scabridulous — S. Africa. 



29. G. tabu/arts. 



Leaves ovate or elliptic "• tabularis, typica. 



Leaves narrowly ovate-lanceolate to linear /3. var. eoiijusa. 



Calyx longer than corolla-tube, its l«>l>es broad, foliaceous 

 S. Africa. 30« C. tetragona. 



Leaves ovate or roll-elliptic * Mragona, typica. 



Leaves narrow-elliptic or lanceolate or 

 linear ... p. vav. h»eans. 



Stems decumbent or scandent, very long ; leaves cordate at base ; 

 calyx not longer than corolla-tube, its lobes narrow, acute. 



:U. G. melampyrifoha. 



, Subgenus III.-Neoohirohia. Fruit a 2-valved cap e 

 crustaceous, the valves separating completely to base and readily 

 ° * the torus ; leaves and stems scabridulous-hispid or 



. o.-«eochiron. Calyx 5-sect ; corolla4ube cylindric, 

 uniform ; anthers straight ; ovary obtuse, ovoiu. 



"«jy<wc«ing trom 

 pubescent. 



