Protologue Description: BAPTISIA arachnifera, sp. nov. (Figs. 1-5), plant 5-8 dm. tall, retaining color upon drying, entirely covered with cobwebby (or wooly) and closely adpressed hairs (only the stamens, petals, and inner part of the calyx-tube glabrous); stem fairly stout, lightly ribbed, widely branched, the branches ascending and arising alternately from the primary stem or leaves; leaves simple , ashy green, slightly yellowish beneath, later becoming much darker, covered throughout with hairs, mostly cordata (those near the base somewhat reniform, those near the top sometimes ovate)., leathery, strongly veined, somewhat clasping at the the base, rounded at apex, the margins entire and sometimes slightly revolute, 2-8 cm. long, 1.5-7cm. broad; racemes terminal, compact, 3-20 cm. long; flowers pedicellate, pedicels 1-5 mm. long, the lowermost subtended by suborbicular, foliaceous bracts up to 10 mm. long and 12 mm. broad, the uppermost by ovate bracts 3mm. long and 1.5 mm. broad; calyx campanulate, about 5 mm. long, the inner part of the tube glabrous, lobes about as long as tube, the upper lip broad and entire or minutely cleft, the lobes of the lower lip broadly lanceolate; corolla yellow, standard orbicular and emarginate (11 mm. long, 10 mm. broad), wings and keel oblong (about 13 mm. long and 5 mm. broad); pod quite hairy without, closely pubescent inside, irregular in shape, varying from subgloboase to ellipsoid, body 8-15 mm. long and 6-10 mm. broad, the beak about 3 mm. long and mostly straight, the stipe 4-6 mm. long.

Herba 5-8 dm. alta, omnino dense appresso-tomentosa; caule crassiusculo, leviter striato, late ramoso, ramis alternatis, ascendentibus; foliis 1-foliolatis, dilute viridibus, subtus paulo lutescentibus, plerumque cordatis (infimis raro subreniformibus supremis interdum ovatis), coriacei, valde nervatis, basi caulem subamplectentibus, apice late rotundatis, margine integris et interdum paulo revolutis, 2-8cm. longis, 1.5-7 cm. latis; racemis terminalibus, 3-20 cm. longis; floribuspedicellatis, pedicellis 1-5 mm. longis, bracteolatis; calyce campanulato, ca 5 mm. longo, extus dense pubescente, intus glabro, laciniis tubum subaequantibus, labio superiore lato, integro,vel paululo emarginato, laciniis inferioribus late lanceolatis; corolla flava, vexillo orbiculari et emarginato (11 mm. longo, 10 mm. lato), alis carinaque oblongis (ca. 13 mm. longis et 5 mm. latis); legumine extus dense pubescente, intus molliter pubescente, subglosso vel ellipsoideo, 8-15 mm. longo et 6-10 mm. lato, rostro 3mm. longo et plerumque recto, 4-6 mm. stipitato.

Distribution: on sandy soil, mostly in open pine woods, occassionally in denser, mixed woods; Wayne County Georgia.

The type specimen (sandy soil in open pine woods, July 4 1943, Duncan 5693) is deposited in the Gray Herbarium, Cambridge, Massachusetts, U.S.A. Isotype specimens are being distributed in the Plantae Exsiccatae Grayanae.