. Maryland geological survey. PTERIDOPHYTA. Cockayne, Boston. PLATE XXXI. PAGE Figs. 1-7. Cladophlebis paeva Fontaine 250 1. Fertile frond, Fredericksburg, Virginia. 2, 3. Fertile pinnules from foregoing specimen showing outlines and position of sori. X 4. 4. Ultimate pinnule from specimen shown on Plate XXX. X 4. 5. Pinnule i/4 distance from apex of a lateral pinna of same. X 4. 6. Pinnule from near the base of the same pinna. X 4. 7a-h. Group of spores from specimen shown in Fig. 1. X 350. MARYLAND GEOLOGICAL SURVEY. LOWER CRETACEOUS, PLATE PTERIDOPHYTA. Cockayne, Boston. PLATE XXXII.
. Maryland geological survey. PTERIDOPHYTA. Cockayne, Boston. PLATE XXXI. PAGE Figs. 1-7. Cladophlebis paeva Fontaine 250 1. Fertile frond, Fredericksburg, Virginia. 2, 3. Fertile pinnules from foregoing specimen showing outlines and position of sori. X 4. 4. Ultimate pinnule from specimen shown on Plate XXX. X 4. 5. Pinnule i/4 distance from apex of a lateral pinna of same. X 4. 6. Pinnule from near the base of the same pinna. X 4. 7a-h. Group of spores from specimen shown in Fig. 1. X 350. MARYLAND GEOLOGICAL SURVEY. LOWER CRETACEOUS, PLATE PTERIDOPHYTA. Cockayne, Boston. PLATE XXXII. PAGE Figs. 1, 2. Cladophlebis Ungeki (Dunker) Ward 255 1. Poorly preserved fertile pinnae from Dutch Gap, Virginia. 2. Portion of a somewliat larger sterile frond from same locality. Figs. 3, 4. Cladophxebis Albektsii (Dunker) Brongniart 252 3. Portion of frond from Telegraph Station, Virginia. 4. Enlarged pinnule of a variant with a dentate margin. Figs. 5, 6. Cladophlebis distajsts Fontaine 258 5. Vinegar Hill, Maryland. 6. Pinnule of same. X 4. 531 MARYLAND GEOLOGICAL SURVEY. LOWER CRETACEOUS, PUME XXXII.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaleont, bookyear1901
