A. Adiantum-nigrum. Black Spleenwort. Fig. 1741. 
Fronds triangular-ovate, 2-3-pinnate, pinnae triangular. Sori long, 
near tlie mid-vein. Walls and hedge-banks. 3-12 in. Perenn. June— 
Sept. E. B. 1. 1950. E. B. 2. 1437. H.fyArn. 589. Bab.4.426, 
5.427. N. 225. 5 , .f’.28. 
A. Trichomanes. Common Wall Spleenwort. Fig. 1742. 
Fronds linear, pinnate; pinnae roundish-oblong, crenate. Rachis 
purplish-black. Rocks and walls. 2-12 in. Perenn. May-October. 
E. B. 1. 576. E. B. 2. 1432. II. Am. 588. Bab. 4. 426, 5. 427. 
JV. 285. S. F. 30. 
A. vi ride. Green Spleenwort. Fig. 1743. 
Fronds linear, pinnate; pinnae roundish-ovate, crenate, stalked. 
Rachis green. Moist rocky places. 2-12 in. Perenn. June-October. 
E. B.l. 2257. E.B. 2.1433. H.&Arn. 588. Bab. 4. 426, 5. 427. 
JV. 281. /S'. JF. 31. 
A. marinum. Sea Spleenwort. Fig. 1744. 
Fronds linear, pinnate; pinnae stalked, unequally wedge-shaped at 
the base. Rocks near the sea. 1-24 in. Perenn. June-Oct. E. B.l. 
392. E. B. 2.1434. H. Am. 588. Bab. 4.426, 5.428. JV. 275. 
F. 29. 
A. Ruta-muraria. Wall Rue. Fig. 1745. 
Fronds bipinnate; pinnules rhomboid-wedge-shaped, notched or 
toothed. Indusium jagged. Old walls. 3-4 in. Perenn. May-Sept. 
E.B. 1. 150. E.B. 2.1435. H. fy Am. 588. Bab. 4.426, 5.428. 
N. 261. S.F. 32. 
A. germanicum. Alternate-leaved Spleenwort. Fig. 1743. 
Fronds pinnate; pinnae alternate, wedge-shaped. Indusium entire. 
Rocks; rare. 3-4 in. Perenn. June-Sept. 2?. B. 1.2258. E.B. 2. 
1430. H. fy Am. 588. Bab. 4. 426, 5. 428. JV. 265. S. F. 33. 
A. septentrionale. Forked Spleenwort. Fig. 1747. 
Fronds 2-3-cleft; segments long, 2-3-toothed. Rocks; rare. 2-4 in. 
Perenn. June-Oct. E.B. 1. 1017. E.B. 2.1431. H. ^ Am. 588. 
Bab. 4. 426, 5. 428. N. 269. S. F. 34. 
Genus 9. Scolopendrium. 
S. vulgare. Common Hart's-tongue. Fig. 1748. 
Fronds linear, strap-shaped, cordate at the base. Stipe shaggy. 
Shady damp places. 6 in.-3 feet. Perenn. July, Aug. E.B. 1. 
1150. E.B. 2.1440. H. Am. 590. Bab. 4. 427, 5. 428. JV. 289. 
8. F. 35. 
Genus 10. Ceterach. 
C. officinarum. Scaly Spleenwort. Fig. 1749. 
Fronds pinnatifid, covered beneath with dense scales. Old walls and 
ruins. 2-8 in. Perenn. April-Oct. E.B. 1.1244. E. B. 2. 1408. 
II. Am. 580. Bab. 4. 427, 5. 428. JV. 277. S. F. 36. 
Genus 11. Gymnogramme. 
G. leptophylla. Slender Gymnogramme. Fig. 1750. 
Fronds ovate, bipinnate, fragile; pinnae wedge-shaped, obtuse. Banks. 
Jersey. 2-6 in. Ann. April. H.fy Am. 580. Bab. 4. 427, 5. 428. 
JV. 11 . S.F. 48. 
