142 A SYNOPSIS OF THE GENUS SELAGINELLA. 
acute. Spikes +-4 in. long, } lin. diam., square; bracts ovate- 
psn guseol Tee ‘strongly keeled. 
Jamaica, Bancroft! Wilson! Common in cultivation. 
Marked at a glance hips S. serpens by its caudate stem and fewer 
more compound bran 
47. Bishi a Br. in Ann. Se. Nat., ser. 4, vol. xiil., 
62; S. jfimbriata Liebm., non Spring; S. L iebmanni. Fourn. : 8, 
serpens Spring, ex parte. be eniia trailing, pale, square, flat on "the 
face, reaching a length of half a foot, forked, Nea, fasted 
branched, the ‘anes Sa short, often with several branch Leaves 
of the lower plane close or rather spaced, ae cent rather 
ascending, bright green, ope moderately firm in texture, subobtuse, 
ciliate d, but little rounded and not cihwiadted 0 over the stem on the 
upper side at the base ; teats of the upper plane a third as long, 
oblique ovate, cuspidate, imbricated. Spikes ay hae thvebte 
ovate-lanceolate, much imbricated, strongly keeled 
Hab. In cares tee Pass antla, Schiede and Deppe, Liebmann ! 
A near ally of S. s 
48. §. sERTATA apting Monog. ii., 104.-Stems slender, pale, 
trailing, square, flat on the face, forked and copiously pinnately 
branched, with iehotaly compound branches. Leaves of the lower 
plane rather steed crowded or rather spaced on the branches, 
pale green, moderately firm in texture, oblique lanceolate, {-1 lin. 
long, flat, subacute, eih a distinct midrib, the upper side but little 
rounded at the base and scarcely at all imbricated over the ster ; 
those of the upper plane a third as long, oblique oblong, cuspidate. 
Spikes square, 4-4 in. long, } lin. diam.; bracts ovate-lanceolate, 
ab. Nicoya and Song Ba pceee! Although the stems 
are continuous, s has so of the root-fibres anticous. In 
general habit it ERE eb 8. ee. 
49. §. saccuarata A. Br. . in Fil. Nov. Gran. 856; S. 
nie ge Liebm., non Spring; 8S. Spirillum Tigo Siam 
trailing, subterete, 4-1. ft. gre forked and copiously pinnately 
branched, the branches copiously compound. Leaves of the lower 
plane ovate or oblong, those of the branches crowded or rather 
spaced, 4 lin. long, obtuse, flat, moderately firm in texture, pale 
green, turning bright t red when old, the distinct midrib nearly 
the upper imbricated over the stem; leaves of the upper blasil half 
as long, Bera oblong, incurved, acute, much imbricated. Spikes 
4-4 in g,4 lin. lam., square ; bracts crowded, ovate-lanceolate, 
strongly tasted 
Hab. ~ Mexico, Schaffner! Liebmann! F. Muller 787! Curls 
up oe ae like S. delicatissima 
0. oueLasu’ Spring idee. a Ua: LL. a Hook. 
war Grey.; L. ovalifolium Hook. & Grev. To: t. 177. — Stems 
trailing, 3-6 in. long, pale, subterete, forked low down, pinnately 
branched, with sommes compound lower branches. Leaves of Hy 
lower plane crowded or slightly spaced, rather ascending, 
_ green, firm in texture, eae oblong, obtuse, nearly flat, ah 
