198 The Botanical Gazette. [J ul y> 



etc. — Pansamahi, alt. 3,800 ft M Jan. 1887, v. Turckheim, (Ex 

 PL cit. 196); same locality, Apr. 1889, J. D. S., (Ex PL cit. 



1,798). 



Explanation of Plate XVII. — Fig. 1, flowering branch. Fig. 2, corolla laid 

 open. Fig. 3, stamen. Fig. 4, pistil. (Fig. 1 is natural size; the others are 

 variously enlarged.) / 



Macfadyena simplirifolia. — Erect (12-15 ft.), compressed 



branchlets dichotom'ous, articulations of petioles and pedicels 

 glandular: leaves simple, elliptical (5-7AX2--3 in.), acute at 

 each end, beset with cvstoliths: flowers few, opposite in ter- 

 minal short racemose clusters, short pedicels little exceeding 

 subulate bractlets,: calyx lanceolate (18-22 1.), acuminate, in 

 anthesis closed at apex and base: corolla twice longer, white, 

 tubulose-infundibuliform, throat \ in. wide, lobes roundish 

 (6-9 1.): oblong anther-cells divergent at base, staminode not 

 present: disk cupular: stigma minutely lamellate: ovules 2 to 

 each placenta, superposed, wings hyaline: capsule not seen.- 

 Anomalous by erect habit, simple leaves and terminal in- 

 florescence. — Borders of forest, Pansamahi, alt. 3>^°° "-•■ 

 Aug. 1 886, v. Turckheim, (Ex PL cit. 1,030). 



Explanation of Plate XVIII. — Fig. 1, flowering branch. Fig. 2, corolla laid 

 open. • Fig. I), pistil with half of calyx. Fig. 4, anthers. Fig. 5, stigma. Fig- 0, 

 vertical section of ovary. (Figs. 1-3 arer natural size; the others are magnified.) 



Henrya iniliricans. — Stems several from base, afoot or 



more long, decumbent, smooth, white, nodes verrucose: 

 young leaves small (I in.), ovate, acuminate, mucronate, long 

 petiolate, pubescent: spikes short, densely flowered, 2-3-sub- 

 fasciculate, axillary, or leafy-bracted in a long slender term- 

 inal panicle: bractlets simulating involucres, oblanceolate, 

 mucronate; involucres a third longer (5 1.), imbricating, valves 

 mucronate: corolla large (6 1.), exsert in bud: anther-cells elon- 

 gate-obiong. — Both U. scarf ioides Nees and H. costata Gray 

 differ conspicuously from above by simply spicate loosely in- 

 terrupted inflorescence; the former also by glandulose leaves 

 acute at base, minute roundish bractlets, half smaller flowers, 

 elongated style; the latter also by pluricostate shortly petio- 

 late leaves, small cuspidate involucres. — Banks of Laguna 

 Amatitlan, Dept. Amatitlan, alt. 3,900 ft., Febr. 1890. 

 J. D. S., (Ex. PL cit 1,923), 



Pisonia ACULEATA L., var. niacranthocarpa.-— Spines 



infra-axillary, straight: pedicels of large (6 in.) cymes \\- : 

 in. long; fruit obovate (9 1. ), half as broad, glands long-stip- 

 itate. — Escuintla, alt. 1,100 ft., Apr. 1890, J. D. S., (£*• 



PL cit. 2,091). 



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