Northern India, including Assam, etc. 23 



Pellsea. 



P. gracilis, Hook. Hab. : Himalayas of Thibet, 9-10,000 feet. 

 Kumaon, Chamba. 



P. Tamburii, Hook. Hab. : Tambur valley, East Nepal. Br. 

 Hooker. 



P. (Allosorus) nitidula. Baker (Cheilantbes, Hook. <Sp.). Hab. : 

 Himalayas, ascending to 6,000 feet. Kumaon ; Simla, on rocks ; 

 Pundkester, Kulu. M. P. Edgeworth ; Hook. Cent. Ferns, t. 12. 



P. (Platyloma) calomelanos. Link. Hab. : Himalayas, ascending 

 to 6,000 feet ; Simla, Kumaon, Karli. M. P. Edgeworth. 



Pteris. 



Pt. longifolia, L. Hab. . Himalayas, up to 4,000 feet. Naini 

 Tal, Kumaon ; universal on the continent of India. 



Pt. Oretica, L. Hab. : Plimalayas, 8-9,000 feet. Khasia, Sik- 

 Hm-Himalaya, Bhotan, Eastern Nepal, Kumaon, Masuri, Simla, 

 Punjab. 



Pt. pellucida, Presl. Hab. : Himalayas, Mishmi, Assam, Cachar, 

 Silhet, Nepal. 



Pt. dactylina. Hook. Hab. ; dry sheltered rooks. Eastern Nepal, 

 Sikkim-Himalaya, and Khasia, ascending to 9,000 feet. 



Pt. crenata, Swz. Hab. : Assam, Khasia, Goalpara, Silhet, and 

 Terrya Ghat, below Dorjiling. 



Pt. Grifflthii, Hook. Plab. : Assam, Mishmi. 



Pt. semipinnata, Linn. Hab. : Himalayas, 3-4,000 feet; Khasia, 

 Silhet. Hook. Oard. Ferns, t. 59. 



Pt. quadriaurita, Retz. Hab. -. Assam, Gowhatti, Bhotan ; Sik- 

 kim, 3-11,000 feet. Nepal, Kumaon, Punjab, Rajaori mountains, 

 Scinde. 



Pt. longipinnula, Wcdl. Hab. : Assam ; Khasia, 2-3,000 feet ; 

 Silhet, Bhotan; Sikkim, 2^,000 feet; Nepal. 



Pt. excelsa. Gaud. Hab. : Nepal, Silhet, Kumaon, Garwhal ; 

 Simla, 8,000 feet. 



Pt. pellucens, Agardh. Hab. : hills of Assam, Khasia, and 

 Sikkim. 



Pt. aquilina, Linn. Hab.: Himalayas, 2-3,000 feet. Khasia, 

 Silhet, Nepal, Kumaon ; Garwhal, 7,600-9,000 feet. Sikkim. 



Pt. biaurita, Xm». Hab. : Assam, Khasia; Sikkim, 1-4,000 feet. 

 Nepal, Kumaon, Parasnath. M. P. Edgeworth. 



Pt. Wallichiana, Agardh. Hab. : Himalayas, ascending to 8,000 

 feet. Khasia, Sikkim, Garwhal, Kumaon, Kangra in Kulu. 



Pt. incisa, Thunb. (Pt. aurita, PL). Hab. : Khasya, Sikkim. 



Pt. tripartita, Sivz. Hab. : Silhet, Bengal. 



Ceratopterls. 



0. thalictroides, Brong. Hab. : quiet waters in tropical and 

 sub-tropical regions. Abundant in the 'Jheels' and other still 

 pools, frequently such as are occasionally dry, in all the warm 

 regions, from the Punjab, Kulu, Eohilkhand, Burdwan. M.P. 

 Edgeworth. 



Xomarla. 



L. adnata, Blunie. Hab. . Khasia, 1-4,000 feet. Hooker (Jil.) 

 Sf Thomson. 



