PEMBER: A FERN COLLECTOR IN FLORIDA 45. 
in the Transactions of the South African Philosophical 
Society 16: 267-300. 1906.” 
e Transvaal is an inland province on the east side 
of South Africa, about two hundred miles in extent each 
way. At the north it overlaps the Tropic of Capricorn 
upwards of fifty miles, so that a tropical or semitropical 
climate would be expected, and for the most part the 
names of the ferns are in accord with this assumption. 
It is not, therefore, very surprising to meet the names” 
of species - ee to. occur _— everywhere in the 
_ tropics. Sue Oph ssum n L., Aspid- — 
tum molle se05 “Bw pena caudatum L., A. 
~ lus-veneris L., Pteris lon isstie L., - eretica oe 
pe ee ae Pi ec Se Oe, eres ee w ee ee a 
JOIUL WILCTL VW thie L15v ULMCL Wist 
north tempera. & or sixiotly American, the explanation of 
so anomalous a distribution appears impossible. In this 
class are Ophioglossum vulgatum L, euigoree thelypteris ae 
Desv. [Strempel], N. filiz-mas Rich., Asplenium adiantum- 
nigrum L., Polypodium vulgare L., P. incanum Sw. [=P. eS 
polypodioides (L.) Hitch.], Lycopodium clavatum L., be 
carolinianum L., and Selaginella rupestris Spring. | 
_ It may be possible to explain: the riddle as 
to incorrect identification, but not for 
oo sete there i is no question: as to the lentity. 
Qu a - 
