ALBERT AND GABRIRLLE HOAVARP. 70 



XXXIV in (C) ). These classes are further subdivided according 

 to the habit. 



I. Leaves petiolate. 



A. Leaves ovate. 



Types I, IL 



B. Leaves subcordate. 



Types III, IV, V. 

 II. Leaves sessile. 



A. Lower leaves linear or lanceolate ; ratio lenoth to 



breadth 3 to 4 ; inflorescence leaves linear. 

 (1). Leaves linear, very thick ; ratio length to 

 breadth more than 4. 

 Types VI, VII, VIII. 



(2). Leaves lanceolate, not very thick, ratio 

 length to breadth between 3 and 4. 

 (a) Internodes short ; all the large 

 leaves form a rosette on the 

 ground. 



Type IX. 



(h) Lower internodes short, upper 

 gradually lengthened ; many 

 large leaves borne on the ground, 

 a few continued up the stem. 

 Types X, XI, XII, XIII. 



(c) All the internodes moderately 

 long ; only 2 or 3 leaves on the 

 ground. 



Types XIV, XV, XVI, XVII, 

 XVIII. 



B. Lower leaves broad in the centre, tapering towards 



both ends ; ratio length to breadth between 2 & 3 ; 

 inflorescence leaves linear or similar to, but 

 narrower than, the lower leaves. 



