_— Psilotum.) LYCOPODIACE. 1269 
Sporangia i in the axils of unaltered leaves all down the stem... Hamiltonii. 
Sporangia in the axils of bracts unlike the stem-leaves and aggregated 
_ into distinct terminal spikes :— 
Stems more or less pendulous, dichotomously forked from the base ; 
epiphytic Phlegmaria. 
Stems erect, unbranched near the base ; terrestrial cernuum 
2858. Lycoroprum Hamrironu Spreng. 
ota Nagpur. 
A small, densely tufted herb, 3-12 in. long 
2859, cna PuurecmMaria Linn.; F. I. 746 Ga. OC; Bros). 
Sundribuns. 
A pendulous, dichotomously branched epiphyte, 6 in. 
Chittagong 
A terrestrial, erect herb; stems sometimes 3 feet high. 
1158. Psilotum Sw. 
__ Herbs, with wiry, short-creeping rootstocks; stems simple 
_ below, aepictaly’ oa cuineene | ears, upwards; leaves 
_ Minute, laxly arranged, 3-farious or 2-fari Sporangia rigidly 
_ ©oriaceous, turbinate, with kde sk 3-lobed, 3-celled, 
Splitting vertically down the centre of each cell, placed singly in 
the axils of the rudimentary leaves all down the branches. Spores 
- oblong, somewhat curved, 1-ribbed. 
286. 
: to 2f ong. 
3 2860. Lycoroprum cernuum Linn. ; F. I. 746 (Ed. C. B. C.). 
A small, erect-or suberect herb, 6 in. to 2 feet high. 
Order CLXI. SELAGINELLACES. 
Herbs, with copiously branching stems, the ultimate divisions 
Usually flabellately dichotomous, trailing, suberect, or scandent ; 
root-fibres = to base or extending to upper nodes, more or 
with the faces angled or flat; the nodes at 
5 iaoeie small, 1-veined, rarely all alike, usually 
DS itichioak vet dimorphic, more or less oblique, the two rows of 
the lower plane larger and spreading, those of the upper ascending, 
-Adpressed to stem and imbricating. Spikes usually tetrastichous, 
