46 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



labio anteriore lamelliforme, posteriore multo minore vel obsolete. 

 Fructus capsularis, plerumque multiseminatus, irregulariter dehls- 

 cens vel valvatus vel indehiscens. Semina exendospermica; 

 embryo saepissime haud plane differentiatus. 



1. Pinguicula L. Sp. PI. 17. 1753. Herbae scaposae terrestres, 

 radicibus fibrosis. Folia rosulata; ascidia nulla. Scapus nudus, 

 unitiorus, circinatus. Calyx 5-lobatus, plus minus 2-labiatus; 

 labium superius 3-lobatum, inferius 2-lobatum. Corolla 5-lobata, 

 plus minus 2-labiata; labium superius 2-lobatum, inferius 3- 

 lobatum; tubus infra saccatus atque in calcar nectariferum con- 

 tractus. Antherae subglobosae. Capsula bivalvata. Semina nu- 

 merosa, oblonga, reticulata. 



3 



size. 



4 

 size. 



i.i Pinguicula subg. Isoloba. P. pumila Michx. Plant, half natural size. 

 2. Pinguicula subg. Pionophyllum. P. vulgaris L. Plant, half natural size. 

 Pinguicula subg. Orcheosanthus. P. caudata Schlccht. Plant, half natura 



Pinguicula subg. Temnoceras. P. crenahloba A. DC. a. Plant, half natural 

 b. Flower, X 32- 



Species typica, Pinguicula vulgaris L. 



About 30 species, widely distributed throughout the northern 

 hemisphere, especially in America, and ranging southward along 

 the Andes to Patagonia. 



1 All of the figures used to illustrate this paper are from drawings made several 

 years ago under my direction by Mr. Auguste Francois Theodore Victor MarioUe, 

 botanical artist for the university of Marseilles, 1892-1901, and for the New York 

 Botanical Garden, 1901-11. 



