165 
forme, tam longum qu. latum, subcirculare; semic. ovales, lateribus in 
superiorem partein quoque latore aculeis brevibus crassis 3, et basin 
versus aculeis consimilibus circ. 10 irregulariter positis (ad marginem), 
armataB ; superficie punctata, centrali parte juxta isthmum glabra, et 
supra isthmum stigmatibus v. scrobiculis parvis 12-14 transverse dispo- 
sitis ornata; sinu aperto, cuneato, interne rotundato. Tumor ventral. 0. 
A vert. ovato-ellipticum. Dim. 56 ^ 54 (sp. incl.) ^ 25; cr. 28; 1. sp. 3-4 
X. eximium n. sp. p. 102, T. XIII, f. 12; XXII, f. IO. X. mediocre, 
panilo longius qu. latius, subcirculare; semic. ovatae, acuì, brevibus 
crassis (in quaque semic. circ. 10) marginalibus et intra margines serie 
aculeorum consimili armatae ; membr. punctata; sinu brevi, aperto, in- 
terne rotundato. A lat. biglobulatum, aculeos in series verticales 3 ha- 
bens. Dim. 56^^50 (sp. incl.) -26; cr. 30; long. ac. 3 ^a. 
X. Raneegungense n. sp. p. 102, T. XIII, f. 11. X. submagnum, 
tam longum qu. latum, subcirculare; semic. ovales v. ellipticae, mar- 
gine et marginem versus aculeatae; aculeis conico-acutis crassis ma- 
gnitudine irregularibus et irregulariter positis; tumor ventralis nul- 
lus; reliqua membr. glabra; sinu profundo, lineari, angusto, extrorsum 
ampliato. A vert. ellipticum. Quaque semic. corpusculis amylac. duobus 
instructa. Dim. 62^^60 (sp. incl.) ^12; cr. 32; 1. sp. 6-10 f;.. 
X torquaium n. sp. p. 102, T. XXII, f. 8. X. mediocre, circ. 
quinta parte longius qu. latius, fere circulare, cosmariiforme ; semic. 
subsemicirculares, angulis basai, rotundatae, margines versus gemmu- 
lis verrucosis ordinibus 2 positis ornatee (unica a fr. visa), et mar- 
gine inter ordines gemmulorum aculeis brevibus crassis 4 armatae; 
sinu angusto, profundo, extrorsum parum ampliato. Quaque semic. in 
centro tumore granulato circolari instructa, reliqua membr. glabra. 
A vert. latera tumida, apices truncatae rectae. Dim. 55 '*45 ^10; cr. 
25; long. spin. 5 fji. 
X, armaium Bréb. v. incongruum n. v. sp. 102, T. XIII, f. 4. 
Margine 14 spinas, et circiter scrobiculam centralem 4 consimiles bre- 
ves, fissas habens; spinis (v. processubus) trifidis v. quadrifidis; membr. 
punctata. Dim. 104^80^34; long. proc. 8 
Staurastrum smaragdinum n. sp. p.l03. T. XIII, f. 14. S. mi- 
nus, fere tam longum qu, latum, late ovale; semic. late semicircula- 
res, angulis basai, et dorso rotundatis; membr. dense punctata; sinu 
profundo angustissimo-lineari. A vert. triangolare, lateribus paullo 
incurvatis, augulis acuto-rotundatis. Zygosp. globosa, aculeis longis 
acutis basi conicis armata, circ. 6 in fascia marginali positis. Dim. 
22-24^20-22^5,5-6 ; Zyg. c. ac. 65, s. ac. 45 y. 
Il 
