124 Key to the System of 



Leaves blunt. 



Always much beset with spreading hairlets, prostrate ; 

 leaves linear ; petals only about as long as the sepals; 

 seeds four to eight ; appendage of seeds almost lobeless. 

 Figure 2. H. humifusa. 



610. Leaves repressed at the margin. 



(bis.) Erect or diffuse; leaves almost linear, rather blunt ; flowers 

 scattered, often terminal, usually sessile ; seeds only one 

 or two ; appendage of seeds somewhat lobed. 



H. stricta. 

 Leaves recurved at the margin. 



Erect, never tall, always much beset with appressed hair- 

 lets ; leaves from almost ovate-lanceolar to narrow- 

 elliptical ; flowers crowded at and towards the summit of 

 the branchlets, almost sessile ; outer sepals with a 

 somewhat silky vestiture outside ; appendage of seeds 

 short, carnulent, lobeless. H. cleiisiflora. 



IVIONIiyilE AE. 

 ATHEROSPERBXA. 



611. Anthers without any terminal much elongated ap- 



pendage. 



Finally a tree; bark aromatic; leaves opposite, from almost 

 lanceolar to nearly ovate, but always acute, usually 

 serrated, greyish or whitish underneath ; staminate and 

 pistillate flowers mostly on separate plants, always 

 solitary, fragrant ; bracts two, conspicuous, forming 

 early a bivalved involucre. A. moschatum. 



HEDYCAR1TA. 



612. Fruitlets very small, sessile. 



Finally a tree; leaves opposite, ovate-lanceolar, denticulated; 

 racemes few-flowered; staminate and pistillate flowers on 

 separate plants; fruitlets from pale-yellowish turning 

 in age dark. Figure 4. H. Cunningham.!. 



BEENISPERIVIEAE. 

 SARCOPETAXiUBX. 



613. Petals very carnulent. 



Leaves cordate, mostly entire; staminate and pistillate 

 flowers on separate plants ; sepals and petals two to five ; 

 filaments below the free summit connate ; anthers two- 

 celled. Figure 6. S. Harveyanum. 



