cellula terminali setiformi; plantulis maseulis curvatis „al 
oogoniis sedentibus, stipitatis, antheridio exteriore, unicellulari. 
Crassit, cell. veget. 15—23 u, altit. 21, —4-plo major; 
» oogoniorum 43—50 „ „ 55-72 u; 
» oosporarum 40-46 „ „ 47-57 , 
Sect. 3. Species dioice. 
A. Oosporis globosis vel subglobosis. 
a. Oogoniis cylindrieis. 
35. Oe. capillare (Lw.) Kürz, 
Oe. oogonüs singulis, non tumidis, poro superius sito ; 
oosporis globosis vel ellipsoideo-globosis , sepe angulosis, 
oogonia non explentibus; plantis masculis cadem prope crassi- 
tudine ac plantis femineis; antheridiis 1— 4-eellularibus „is 
cellulisqgue vegetativis alternis. 
Crassit. cell, veget. 35-55 u, altit, par 2-plo major; 
»  oogoniorum 35-55 „ „ ,„ 1Y-plo ,, 
» oosporarum 30—52 „ „ 39-63 u; 
» cell. anther. 30—48 ,„ „ 5-6 „ 
b. Oogomüis globosis vel subglobosiis. 
36. Oe. rufescens WITTS. mser. 
Oe. oogonüs singulis vel 2—3 continuis, globosis vel 
oviformi-globosis, poro mediano; oosporis globosis, oogonia 
complentibus; plantis masculis eadem fere erassitudine ac 
femineis; antheridiis 5 _ 12-cellularibus, 
Crassit. cell. veget. 8-10 u, altit. 5—6-plo major; 
» oogoniorum 22—24 „ „ 24-30 u; 
„»„  oosporarum 21—23 „ „ 20—22 „ 
»  eell. anther. 6-8 „ „ 8-12, 
37. Oe. caleareum ÜLEVE mscr. 
De. oogoniis singulis, rarissime binis, depresso-globosis 
poro mediano; 0o0sporis oogonia complentibus; plantis mas 
culis eadem prope crassitudine ac femineis; antheridiis 
2--5.cellularibus, 
Crassit. cell. veget. 11-14 u, altit. 2—4-plo major; 
» oogoniorum 27—30 „ „ 21-23 u; 
„» _ oosporarum 26—28 „ „ 20-21, 
»  eell. anther. 0-1 , ,„ 9— 12... 
38. Oe. Pringsheimii Cram. ' 
oogonüs 2—6 continuis vel singulis, globosis, poro 
sito; oosporis eadem forma ac oogonüs, haec non 
'  Femineis; antheridiis 2—10-cellularibus, his et cellulis vege- 
_  tativis in parte fili superiore alternis. 
‚Crassit, cell. veget. 12—20 u, altit. 21, - 4-plo major; 
» oogoniorum 37-43 ,„ „ 87-45 u; 
je oosporarum 30—33 „ „30-33 „ 
» eell. anther. 10—15 „ ,„ 2 
lane explentibus; plantis masculis paullo gracilioribus quam 
