Heteromorphous — of more than 

 one kind or form. 



Hilum — scar on seed where for- 

 merly attached, a posterior 

 mark on the grain (caryop- 

 sis) of a grass. 



Hirsute — rough, hairy, with long 

 distinct hairs. 



Hispid — with stiff hairs or 

 bristles. 



Hyaline — glass-like, transparent. 



Hydrophilous — water loving. 



Hydrophytes — water plants. 



HygrophilOUS — moisture loving. 



Hygrophytes — plants growing in 

 moist places. 



Imbricate — overlapping. 

 Involucre — a covering of bracts. 

 Involute — rolled inwards. 



Lanceolate — narrow, and taper- 

 ing at both ends. 



Lax — loose, spikelets some dis- 

 tance apart. 



Linear — at least five times as 

 long as broad, with parallel 

 straight sides. 



Membranous — having the texture 

 of fine membranes. 



Mesophytes — plants adapted to 

 fairly moist conditions. 



Mucronate — with a short point 

 (mucro) suddenly springing 

 from a rounded apex. 



Mucronulate — with a little 

 mucro. 



Muricate — full of rough, short, 

 sharp points. 



Muticous — curtailed, blunt, awn- 

 less. 



Obtuse — blunt and rounded at 



the apex. 

 Ovate — elliptic but broader at 



the base. 



Pectinate — like the teeth of a 



comb. 

 Peduncle — stalk of flower or 



inflorescence. 

 Penicillate — brush-like, or pencil 



shaped. 

 Pericarp — fruit coat. 



Pilose — thinly covered with long 



soft hairs. 

 Plicate— folded like a closed fan. 

 Plumose — feathery plumed. 

 Praemorse — as though the end 



were bitten off. 

 Procumbent— lying along the 



ground. 

 Pruinose — having a waxy bloom 



on the surface. 

 Psammophytes — sand plants. 

 Pubescent— slightly hairy. 

 Punctate — marked with dots. 

 Punctiform — like a dot. 

 Pungent — pointed, piercing. 



Radical — belonging to or arising 



from the root. 

 Reflexed— abruptly bent back. 

 Refuse — blunted with a slight 



notch at the rounded apex. 

 Revolute — rolled back from the 



margin or apex. 

 Rhizome — an underground stem. 

 Rigid — stiff, inflexible. 

 Ruderal — growing in waste 



places. 

 Rufous — reddish. 

 Rugose — wrinkled. 



Sagittate— with lobes at the base 

 pointed like an arrow head. 



Sarmentose — bearing long slen- 

 der runners. 



Scabrid — rough to the touch. 



Scaberu lous — somewhat rough . 



Scarious — dry and membranous, 

 not green. 



Sclerophyllous — with hard stiff 

 leaves. 



Sclerosed — hardened, lignified. 



Sclerenchyma — hardened fibrous 

 tissue. 



Se^und — one-sided, on one side. 



Serrate — beset with saw teeth. 

 Teeth pointing forwards. 



Setaceous — like coarse bristles. 

 (Seta — a bristle.) 



Setose — bristly, beset with 



bristles. 



Sessile — without a stalk. 



Sinus — a deep notch or recess. 



Spathe — a large bract enclosing 

 a flower cluster. 



