eR, eels Meng, 2 am eiag oe af rs we ele ae” ieee RL apes Ge MS Ea ct pp EE NS a ae a ge Wee ON Ee ie eran ete gree See ee eee pie ee Ne ak aie ee a ee eae 
VOL. 5] New Species of Mexican Plants. 245 
when Dr. Purpus was the collector, only the number of the plant 
in his distributed sets is noted. The types are all in the Herb- 
arium of the University of California. 
Apodanthes Mexicana. Plantulze ovatz primum cylindra- 
cee, 3 mm. longe; bracteis sepalisque circa 12, inzequalibus, 
orbicularibus vel oblongis, minute erosis, fuscis; ovario fere 
infero; ovulis placentis parietalibus confluentibus undique in- 
Sertis; baccze vertice conico partem semniferam equante; stig- 
mate bilobato: flores masculi ignoti. Herbz in cortice Cal/ian- 
dre grandiflore habitantes. 
° 
This species differs from A. calliandre of Brazil in the position 
of the floral bracts about the ‘‘ pseudocarpium’”’ and the erose 
edges of all the bracts. The bracts or scales are adherent to the 
base of the ovary, but when the plant falls from its host a few of 
the lower bracts persist. Collected in Barranca de Tenampa, 
near Zacuapan. ,No. 2207. 
Tradescantia monosperma. Caules ramosi plures pubes- 
centes: foliis ovato-lanceolatis, 3-5 cm. longis, 1-1.5 cm. latis, 
Carinatis aut planis; umbellis terminalibus, cum plurimis axil- 
laribus, sessilibus paucifloris; pedicellis 4-6 mm. longis; sepalis 
navicularibus 5 mm. longis petalis purpurascentibus breviori- 
us; filamentis 5-6 basi pilis moniliformibus barbatis; antheris 
consimilibus, loculorum connectivo lato: ovario pubescenti 4 
mm. longi, loculis 2-ovulatis; capsule loculis monospermis; 
Seminibus oblongo-ellipsoideis, hilo lineari, embryostega dorsali 
Tugis subradiantibus. 
ll the capsules examined have but one seed in each cell. 
The seed is elliptical in outline, flattened and excavated on the 
ventral side, with a linear salient ventral ridge, and is not unlike 
the seed of Euphacelia. In the arrangement of 77adescantia by 
. B. Clarke it would come near 7. crassifolia. Collected on 
Socks near San Luis Tultitlanpa, Puebla. No. 2755. 
Talinum oligospermum. Caules ramosi 3-6 cm. alti ex radi- 
' cibus tuberosis diametro 1-3 cm.: foliis planis oblongis obtusis, 
1-2 mm. latis, 1-2 cm. longis: floribus cymosis ramos breves 
terminantibus vel pedunculis :-2 cm. longis axillaribus; bracteis 
©vato-lanceolatis acuminatis; sepalis late ovatis cito deciduis; 
