76 Rusby: An Enumeration of South American Plants 



Lepidagathis justicioides Britton, sp. nov. 



Short-pilose throughout, including the corolla : stems weakly 

 erect, 1-3 dm. long, terete, much-branched, the branches slender, 

 widely spreading : leaves sessile by a narrow petiole-like base, 2- 

 4 cm. long, .75-1.5 cm. broad, oval to obovate, abruptly con- 

 tracted into the narrow base, blunt at the apex, very thin, the 

 coarse venation lightly conspicuous underneath, the secondaries 

 about 6 pairs : spikes long and slenderly peduncled, the flowers 

 densely arranged, leafy-bracted, the bracts oblong, 5-7 mm. long : 

 calyx 5 mm. long, one lobe longest, oval, herbaceous, obtuse, 

 nearly 2 mm. broad, the others linear, acute, the shorter 4 mm. 

 long : corolla-tube, 3 mm. long, cylindraceous-infundibular, the 

 remaining portion campanulate, 3 mm. long : lobes nearly 2 mm. 

 long, oblong-ovate : stamens reaching to the base of the corolla- 

 lobes : anthers .5 mm. broad, half as long, minutely mucronate : 

 ovary oval, brown, 2 mm. long : style 3 mm. long, slender, the 

 branches recurved. 



Guanai, 2000 ft., May, 1886 (no. 2563). 



Aphelandra tetragona (Veil.) Nees in DC. Prod. 11 : 295. 

 Guanai, 2000 ft., May, 1886 (no. 1107). 



Aphelandra actitifolia Nees in DC. Prod. II : 299 (no. 2054). 



Aphelandra sp. (?) Reis, 1500 ft., June, 1886 (no. 1 125). Ma- 

 terial for dissection is wanting". 



Aphelandra castanaefolia Britton, sp. nov. 



Pilose with slightly ferruginous hairs, the leaves nearly glab- 

 rous : stems very stout, terete below, obtusely quadrangular above, 

 the branchlets sharply quadrangular at the summit: petioles 1-2 

 cm. long, very broad and stout: blades 1.5-2.5 dm. long, 5-7 

 cm. broad, oblong to obovate, narrowed into the petiole, abruptly 

 short-acuminate and acute, very coarsely serrate with spinulose 

 teeth and rounded sinuses, coriaceous, the venation prominent on 

 both sides, especially underneath: secondaries about 16 pairs, 

 continued into the teeth, the venation coarsely reticulate between : 

 bracts 1.25-2.5 cm. long, lanceolate, acuminate from the broad 

 base and very acute, rigid: calyx 1.5 cm. long, parted nearly to 

 the base, glabrous, coriaceous, the lobes ovate, acuminate and 

 acute : corolla 5 cm. long, the lips nearly 2 cm. long : middle lobe 

 of lower lip very large and broad, the lateral 1 cm. long, 2 or 3 

 mm. broad, oblong, very delicate, acutish, the upper lip 2-lobed, 

 the lobes 5 mm. long, acutish : stamens equaling the upper lip, 

 the anthers 3 mm. long : mature capsules not seen. 



