Tas. 8602. 
PINGUICULA GyPpsIcoLa. 
Mexico. 
LENTIBULARIACEAE, 
Prneuicuna, Linn.; Benth. et Hook. f. Gen. Plant. vol. ii. p. 988. 
Pinguicula gypsicola, 7. S. Brandegee in Univ. Calif. Publ. vol. iv. p. 190 
(1911); inter species sectionis Ochreosanthi heterophyllia egregia, foliis 
aestivis e basi lanceolata linearibus longis distincta. 
Herba, florens ad 9 cm. alta. Folia numerosa, heteromorpha: aestiva sub 
anthesi exstantia e basi lanceolata linearia, marginibus revolutis, ad 5 vel 
6 cm. longa, basi 6-7 mm. lata, pallide viridia, in pagina superiore 
undique pilis viscoso-glandulosis vestita; hiberna more Sempervivorum 
in rosulam densissimam circiter 2 cm. diametro congesta, spathulato- 
oblonga, obtusa, ad 8 mm. longa, 3-3'5 mm. lata, facie plana, dorso 
obtuse carinata, margine eglanduloso-ciliata, caeterum praeter apicem 
glanduloso-pilosum glabra. Flores pedicellis 7-8 cm. longis glanduloso- 
pilosis insidentes. Sepala late oblonga, obtusa, 2°5 mm. longa, inferiora 
approximata, glanduloso-ciliata. Corolla purpurea, tubo perbrevi ore 
albo; labium superum 2-fidum, segmentis lineari-oblongis superne 
paululo latioribus fere 12 mm. longis ad 4 mm. latis; labium inferum 
profunde 8-partitum, segmentis lineari-oblongis superne dilatatis sub- 
truncatis, intermedio 12-13 mm. longo 5-5"5 mm. lato, lateralibus paululo 
brevioribus vix angustioribus; 0s dense pilis albis stipatum ; calcar 
gracile, apice 2-dentatum, purpurascens, ad 8 cm. longum, horizontaliter 
patens vel subdescendens, tenuiter glanduloso-pilosiusculum. Stigma 
labii superioris basi arcte applicatum, lobo superiore minuto apiculiformi, 
inferiore late suborbiculato.—O. Starr. 
The interesting Butterwort here figured is a native of 
Mexico, where it was first discovered by Dr. Purpus in 
1910 growing on wet gypsum rocks at Minas de San 
Rafael in the State of San Luis Potosi. The plant from 
which our plate has been prepared was purchased in 
1912 from Mr. R. Graessner of Perleberg. Besides being 
of pleasing aspect Pinguicula gypsicola 1s remarkable on 
account of the heteromorphy of its leaves. Those 
present at the time of flowering are, as depicted in our 
main-figure, long-linear with widened base and, when 
young, involute tips, and are two inches or so in length. 
When flowering is over these long leaves gradually die 
off centripetally, while in the crown a rosette is formed, 
Marcu, 1915. 
