Janusia. MALPIGHIACEiE. 351 



2. MALPIGHIA, Plumier. {M. Malpighi, celebrated anatomist and 

 physiologist of 17tli century.) — American shrubs or small trees. Flowers not 

 yellow. Pubescence when present of malpighiaceous, i. e. medifixed, hairs 

 these in some species rigid and fusiform, very sharp-pointed at the two ends 

 and stinging. — Nov. Gen. 46; L. Gen. no. 358; Rich, in Juss. Ann. Mus. 

 xviii. 480. 



M. glabra, L. (Barbadoes Cherry.) Shrub, wholly glabrous, with slender branches: 

 leaves ovate, thinuish, inch or two long, almost sessile : peduncles axillary, short, uinbel- 

 lately several-tlowered : petals rose-red or paler, with rounded erose blades : drupes red, 

 small ; the nutlets obtusely quadrangular, trausversely rugose between the short crests or 

 ribs. — Spec. i. 425 (Mill. let. 181); Sims, Bot. Mag. t. 813; Torr. Bot. Mex. Bound. 48.— 

 Corpus Christi Bay, and lower Rio Grande, Texas, Schotl, Palmer. Perhaps introduced. 

 (Mex., W. Ind.) 



3. GALPHlMIA, Cav. (Anagram of Malpighia.) — Suffruticose or suf- 

 frutescent, with slender stems and branches terminated by racemes of usually 

 yellow flowers. — Ic. v. 61, t. 489 ; A. Juss. Malpigh. 67, t. 7. — Chiefly Mexican. 

 G. angustifolia, Benth. A foot or two high : many slender stems from ligneous base 



and strigose-pubescent with medifixed hairs or glabrate : leaves glabrous, glaucous, variable, 

 lanceolate or linear, acute at both ends and subsessile, or lower oblong to oval and obtuse at 

 both ends and slender-petioled : raceme virgate, loosely-flowered : .petals with oblong-ovate 

 blades (a line or two long), yellow changing to red. — Bot. Sulph. 9, t. 5; Gray, Proc. Am. 

 Acad. V. 155. G. linifo/ia, Gray, PI. Lindh. pt. 2, 166, & Gen. 111. ii. 1 96, 1. 173.1 — S. Texas, 

 first coll. by Berlandier, then by Wright, &c. (Adj. Mex., Lower Calif.) 



4. HIR-^A, Jacq. (/. ^ LaHire.) — American shrubs, usually some- 

 what twining, and with cymulose flowers at ends of branches. — Euum. PI. Carib. 

 4, & Stirp. Am. 137, t. 176, f. 42 ; A. Juss. 1. c. 294, t. 19. 



H. macroptera, r)C. Glabrous or nearly so: leaves ovate-oblong to oblong-lanceolate, 

 inch or two long, thinnish : petals yellow, 4 or 5 lines long including the short claw ; blades 

 rounded, crenulate-erose : fruit-wings when full grown an inch and a half across. — Prodr. 

 i. 586 ; A. DC. Caiques des Dess. t. 130. //. septentrionalis, A. Juss. 1. c. 309 ; Gray, PI. 

 Wright, i. 37, & var., Gray, PI. Thurb. 303. — Below the boundary of Arizona in Sonora, 

 Tkurber, Palmer, &c. (Mex.) 



5. JANtJSIA, A. Juss. (Name in reference to the double facies of the 



flowers.) — Twining shrubby or suffruticose plants. Solitary or umbellate-cymu- 



lose flowers at the ends of the branches or in the axils, the normal with yellow 



petals and mostly fertile ; the minute, cleistogamous ones in same or separate 



inflorescence. — Ann. Sci. Nat. ser. 2, xiii. 250, & Malpigh. 349, t. 21 ; Benth. 



& Hook. Gen. i. 262. 



J. gracilis, Gray. Strigulose with medifixed hairs : numerous very slender diffuse and 

 somewhat twining stems a foot or two high from a thick ligneous base : leaves lanceolate- 

 linear, inch or more long, very short-petioled : flowers 1 to 3 together : petals about 2 lines 

 long, with ovate or subcordate blade, turning reddish or brownish : fertile stamens 2 or 3 : 

 scarious fruit-wing oblong, 4 lines long — PI. Wright, i. 37, ii. 30 ; Torr. Pacif. R. Rep. vii. 

 9, t. 1. — Western border of Texas to Arizona ; first coll. by Wright. (Adj. Mex.) 



J. Californica, Benth. Bot. Sulph. t. 4, is a related species from Lower California, with 

 oval leaves. 



1 Add syn. Thrynllis nngusti/nlia. Kiintze, Rev. Gen. 80; and T. an gnstt folia, var. ohUmnifolia, 

 A. M. Vail.Biill. Torr. Club, xxii. 228 {G. llnifoUa, var. ^, oblonyifoli>i, Gray, PI. Wright, i. 30), Ihe 

 broad-leaved form. 



