Plante Lindheimeriane. 263 
+ 
Q. obtusiloba ; flowering in February. A small tree, crooked, 
and much branched ; the earliest flowering species in Texas. 
310. ieo DIVERSIFOLIUS, 8. spicatus, Engel. in 
Sill. Jour. 46, p. 102. Clear rivulets, in prairies, west of 
San Felipe. April. Leaves 5—1—13-nerved. 
311. P. warans, Linn., Var.? foliis infimis elongato-lan- 
ceolatis utrinque FERMER pellucidis. breviter petiolatis, se- 
quentibus longius petiolatis sensim magis oblongis et coriaceis; 
summis natantibus oblongis viu Uode fructibus lenticulari- 
compressis margine acutiusculis. — In clear water and pools, 
West of the Brazos. - June. Intermediate in its characters 
between . P. natans and P. fluitans; and in the absence ofthe 
upper leaves, very difficult to distinguish from P. lucens. 
312. Xyris torta, Smith, Kunth, Enum. 4, p- IV. (ex 
char.) Springy places. May. Also, i in Drummond’s Texan 
Collection. 
/813. SYSIRINCHIUM MINUS (n. 8p.): pumilum ; BEM T an- 
cipiti ramoso folioso ; spatha paulo inzquali flores :equante 
vel subexcedente ; perigonii segmentis (cceruleis) ovatis exte- 
rioribus. PREERIAN capsulis obovati-ovalibus glabris. 
— Margin of pools, &c. in the prairie west of San Felipe. 
April. Distinguished from the other North American species, 
by the smaller size of the whole plant (3-6 inches high,) the 
much branched stem, the ovate, not obcordate or emarginate, 
lobes of the perigonium, and the form of the capsule. Spathe 
hot mucronate, about 4-flowered.- Seeds numerous and — 
small, i impressed-dotted, black. s 
314. HasnawrHus Texanvs, Herb. Low prairies of the 
Colorado; in black, clayey soil; flowering in September. Pe 
rigenium reddish-oran e outside, yellow within. = 
tees -Etrocuanris ain R. Br. varo Ponds and 
s on Mill Creek, 
ds *OTiapsacus erase, Micha. Prairies. April, 
* 
311. d E MACBODRUR Micha » Bienes 
318. SEO  POLYPHYLLA, Michz., 4. Braun. On. the 
. AE 
Wa, 
