90 102. LTCOPODIUM. § 1. UEOSTACHYS. ai. EUSELAGO. 



f. Leaves rather capillary, to Ht mm. broad. 



(7) L. verticillatum. 

 f.-j-. Leaves not capillary, Va mm. or more broad. 

 O. Leaves 3 — 4-farious, coriaceous. 



(8) L. bolanicum. 

 O.O. Leaves 6 — 10-farious, m- not coriaceous. 



(9) L. setaceum. 

 S.M. Leaves spreading or deflexed, the higher not rarely 

 ascending. 



S. Plants to 15 cm. long, the leaves to 'A mm. broad, 



(10) L. Zollingeri. 

 (11) L. Everettii. 

 S.S. Plants more than 15 cm. long, or the leaves more 

 than Vj mm. broad. 

 e. Leaves entire, V2 — 1 mm. broad at the base. 



(12) L. australianum. 

 e.e. Leaves often obsoletely serrulate towards the 

 apex, or more than 1 mm. broad. 



(4) L. miniatum. 

 3.3. Leaves 10 — 20 mm. long. (13) L. hippuris. 



3.3.3. Leaves 20 — 50 mm. long. (14) L. caudifolium. 



(1) li. serratum, Thb., Spring, Mon., I, 39; Rac, Flor. Btz., I, 

 238 ; Hk. & Grev., Ic. Fil., tab. XXXVII ; L. javanicum, Sw., Spring, 1. c, 

 40; L. reflexum, Schk., Krypt. Gew., I, tab. 159. 



Shoots erect, or ascending from a decumbent base, varying from 

 simple to copiously dichotomous, 15—40 cm. long, IV4 — 6 cm. diam. 

 including the leaves, often bearing prolific buds near the apex. Leaves 

 laxly disposed, spreading or deflexed, moderately thin, sessile or sub- 

 petiolate, often very irregular in size but not in shape, lanceolate, to 3 

 cm. long and 4 mm. broad, acute or minutely apiculate, narrowed gradu- 

 ally to the base, the edge eroso-denticulate at least towards the apex, 

 the midrib distinct, prominent. Sporangia in the axils of unaltered leaves 

 all down the stem or branches. — Two distinct forms united by inter- 

 mediates. 



Forma typica: Leaves serrated throughout or nearly so. 



