156 1Ü4 



Unknown species of Lastrea. 



The following species, of which I have seen no specimen, can with approxi- 

 mate certainty be referred to the present subgenus. 



1. Aspiciium Fischeri Mett. Aspid nr. 192. 1858; Dryopteris Fischeri C. Chr. Ind. 

 266. — Brazil. — Closely allied to D. ptarmica. 



2. Phegopteris leptoptera Fée, Gen. Fil. 244. 1850—52. — San Domingo, De 

 TussAC. According to the description this has setose sporangia. Most likely 

 il is identical with D. concinna. 



3. AspkUum sandoides Fée, Gen. 292. — Guadeloupe, Duchassaing. — In Ind. 

 Fil. referred to D. opposita. Fée compares it to D. sancta. 



4. Aspiciium confliiens Fée, Gen. 293. — South America, Pamplin nr. 75. 

 Fully indeterminable from the description alone. 



5. Aspidium pachychlamys Fée, 11 mém. 77 tab. 21 fig. 2. 1866. — Guadeloupe, 

 L'Herminier. — A form of D. opposita"? 



6. Nephrodiiim rigescens Sodiro, Cr. vase. quit. 239. 1893; Dryopteris rigescens C. 

 Chr. Ind. 289. — Ecuador, Corazon. — Near D. cheilantlwides? 



7. Nephrodium elegantulum Sodiro, Cr. vase. quit. 243. 1893; Dryopteris elegantula 

 C. Chr. Ind. 263. — Ecuador, valle de Pallatanga. — ? — 



8. Nephrodium longipilosum Sodiro, Sertula Florae Ecuad. series II. 26. 1908 — 

 Ecuador, Corazon. — May be a very hairy form of D. oligocarpct. 



9. Nephrodium cinereum Sodiro. 1. c. — Ecuador, Corazon, a variety ß inter- 

 medium from Esmeraldas. A short-hairy species like D. concinna, but indu- 

 sium persistent. 



10. Nephrodium basiattenuatum Jenman, Gard. Chron. March 17th. 1894; Bull. 

 Bot. Dept. Jamaica n. s. 3: 20. 1896; Dryopteris basiattenuata C. Chr. Ind. 

 254. ~ Jamaica, Mount Moses. — Probably near D. sancta. — According 

 to Miss Sloson this is apparently not in Jenman's type-herbarium in New 

 York Bot. Garden, and it was also not found i.i Kew. 



11. Nephrodium crenulaeum Jenman, Bull. Bot. Depart. Jamaica n. s. ;i: 68. f 1896; 

 Dryopteris crenulaea C. Chr. Ind. 259. ^ Jamaica. — ? — Not in Jenman's 

 type-herbarium and not in Kew. 



12. Dryopteris Hassleri Christ, in Bull. I'Herb. Boiss. II. 7: 922. 1907. — Paraguay, 

 Hassler nr. 9056 a. 



13. Dryopteris Roj asii Chrisi in Fedde, Repert. 6: 349. 1909. Paraguay, Hassler 

 nr. 10514 a. 



14. Lastrea Cumingiana Pr. Epim. 37, 1849. Chile, Cuming. 



