11. HYPERICACE.E. 12. OXALIDACE.*:. 



41 



2 opposite Ion- 

 leaves opposite 



l)ack : styles 3, 



ovoid, twice as 



3-celled ; seeds 



pasture : Be- 



Nov. - Jan. 

 Asia. 



Hyper 



Family 11.— HYPERICACE/E. 



1. Hyi'kric'um. L. 

 I. Hypericum perfora- 

 tum, L. St. Joint's Wort. 

 Glabrous perennial, with erect 

 stem.s marked bv 

 gitudinal lines; 



sessile, oblong, blunt, with trans- 

 parent dots ; flowers bright- 

 yellow, in a broad panicle ; 

 sepals o, black-dotted near the 

 top ; petals twice as long as the 

 calyx, oblique, with black dots 

 along the edges ; anthers with a 

 dark spot on the, 

 rarely 2 ; capsule 

 long as the calyx, 

 numerous. 



Roadsides and 

 lair, Blackwood. 

 Europe ; western 

 Family 12.— OXALIDACE>E. 



1, OXALIS, L. 



(Greak oxys, sharp or sour ; taste of the leaves.) 

 Sepals and petals o, the latter partially united towards 

 base; stamens 10, united at base, o inner ones longer; 

 styles 5 ; capsule Mith 5 many-seeded cells. 



Flower.s umbcllod; leaflets notched 0. ciiiiua 1 



Flowers solitary; leaflets entire O. imriabi/is 2 



1. Oxalis cernua, Thunb. 

 Soiirsoh. Stendess, almost glab- 

 rous perennial : rootstock fleshy, 

 tapering, producing bulblets and 

 spindle-shaped tubers; bulb ovoid, 

 with smooth brown tunic; leaves 

 all radical, longstalked, of 3 

 obcordate leaflets, the lateral 

 one^s with unequal lobes ; 

 large, yellow, droopin.i;, in 

 of 3-16, on radical peduncles 

 longer than the leaves ; sepals 

 lanceolate, doMuy. with 2 small 

 orange-colored swellings at the 

 tip ; petals connected at base, 3 

 times as long as calyx ; the 5 long 

 stamens toothed. 



Introduced as an ornamental 

 plant in early colonial days, and 

 now very common. — June-Oct. — 

 South Africa. 



2. O. variabilis, Jacq. 

 More or less downy, stemless ; 



flf)wers 

 umbels 



Oxa 



cernua. 



