188 PTILOPTERIS, NOVUM POLYPODIACEARUM GENUS. 
bodies, and ultimately form one large green mass lying in the 
sporange, surrounded by a red granular matter applied to its inner 
all. The central mass ian dissolves, and by a series of prt 
the crn wR asexual z -esearehiag are formed : meanwhile the red 
1 nished from the granular investment. his in- 
te shakin pela eae is s accomplished in the course of twenty- 
similarly granule-lined sporangia, whose green plasma is in various 
stages of division correspending best with Klebs’ figures 59¢ and 
59g. During the whole period of observation the contents of these 
sporangia have remained without the slightest apparent alteration ; 
there is een to suppose, therefore, that their naar ment has 
been arrested by oe. conditions. The granul 
of the sporangia is a very striking feature of this “2 cies. Form 
omega to Klebs’ two lar. genera Phyllobium and Endosphera I 
e not ne succeeded in finding. 
€ s some interesting remarks on the classification 
of Gian organisms. He speaks of their — to Synchytrium 
—a similarity pointed out by Cohn in his original memoir—but 
u 
its place is next to Hydrodictyee, a conclusion few, if any, will feel 
disposed to challenge; still, the inseparation . the peas oe" -brood 
of each mother-cell of the latter group places a certai 
between the two. >i en which will probably | prove little more 
than an epiphytic form of Chlorochytrium, is perhaps sae than 
owing 
much resemblance to the endophytic type he calls Phyllobium 
dimorphum, and which he thus considers to be a form of transition 
between Siphonacee and Protococcacee. 
PTILOPTERIS, NOVUM POLYPODIACEARUM GENUS. 
Auctorge H. F. Hance. 
Sorvs rotundatus, exindusiatus. terminalis in apice haud 
incrassato nervi singuli. Petiolus hike continuus. Filices 
cespitose, foliis pinnatisectis, paleis cystopteroideis predite, 
Japonie et Sine incole, 
