612 



RUBIACE^E. CLXXXV. BORRERIA. 



of Madagascar and the East Indies. B. verticillata, Sieb. seneg. 

 no. 10. Spermacoce verticillata, Lin. spec. 148. var. Africana, 

 Spermacoce globosa, Sehum. pi. guin. p. 73. Dill. hort. elth. 2. 

 1'. 348. Flowers white. Nearly allied to B. verticillata. 



Ko/iaut's Borreria. Fl. Ju. Aug. Clt. 1732. Shrub 1 to 2 ft. 



4 B. STKI'CTA (Meyer, esseq. p. 83. t. 1. f. 1-3. fr.) stems 

 herbaceous, suffruticose at the base, twiggy, glabrous, smooth, 

 tetragonal at the apex ; leaves linear, acute, petiolate, opposite 

 or falsely verticillate ; bristles of stipulas shorter than the sheath, 

 which is downy ; whorls of flowers globose, terminal, and axil- 

 lary ; capsule glabrous, oblong, crowned by the 2 subulate teeth 

 of the calyx. Fj . S. Native of Porto-Rico, where it was col- 

 lected by Ledru and Wydler. Flowers white. Nearly allied to 

 B. verticillata, but differs in the capsule being twice longer. 

 Lower leaves almost lanceolate-linear, rather scabrous on the 

 margins at the top : upper ones usually with revolute margins. 



Straight Borreria. Shrub \ to 1 foot. 



5 B. DICHO'TOMA (Cham, et Schlecht. in Linnaea. 3. p. 348.) 

 stem suffruticose, rather compressed, tetragonal ; branchlets 

 dichotomous ; leaves lanceolate, acutely mucronate, glabrous, 

 with serrulated margins ; stipulas hairy, ciliated, with bristles at 

 the apex ; heads or whorles of flowers terminal and axillary ; 

 capsule scabrous from dots, glabrous, obovate, crowned by the 

 2 ovate-lanceolate teeth of the calyx. Jj . S. Native of Peru, 

 near Ayavaca, (Diodia glabra, Willd. herb.), and on Mount 

 Tanqueragua (Knoxia dichotoma, Willd. herb.). Spermacoce 

 dichotoma, H. B. et Kunth, nov. gen. amer. 3. p. 348. Flowers 

 white. 



Dichotomous-branched Borreria. Shrub 1 to 2 feet. 



(J B. PODOCE'PHALA (D. C. prod. 4. p. 542.) stem branched, 

 tetragonal, glabrous, rather downy at the nodi ; leaves linear, 

 glabrous, opposite, or falsely verticillate, almost veinless, with 

 revolute margins ; bristles of stipulas 5-7, longer than the sheath, 

 which is downy ; heads of flowers globose, and as if they were 

 pedunculate, in consequence of the lateral branches being naked, 

 except the 4 floral leaves surrounding each head ; capsule oblong, 

 glabrous, crowned by the 2 subulate calycine teeth. I/ . S. 

 Native of Mexico or of Cuba. This species differs from all the 

 others in the heads of flowers being on long tetragonal peduncles, 

 which are 1-2 inches long, naked and glabrous, sometimes rising 

 from the forks of the branches, then solitary, and sometimes from 

 the axils of the leaves, then opposite. 



Slalked-headed Borreria. PI. 1 foot. 



7 B. DI'STANS (Cham, et Schlecht. in Linnaea. 3. p. 340.) 

 stems herbaceous, erect, tetragonal, having the angles beset with 

 retrograde prickles; leaves lanceolate, glabrous, with serrulately 

 scabrous margins; stipulas hairy, ciliated with bristles; whorles 

 of flowers capitate, remote ; capsule oblong, villous at the top, 

 crowned by the 2 subulate teeth of the calyx. 1. S. Native 

 of Mexico. Spermacoce distans, H. B. et Kunth, nov. gen. 

 amer. p. 344. Spermacoce apiculata, Willd. herb. Sperma- 

 coce aculeata, Schlecht. in Schultes, syst. 3. p. 531. Flowers 

 white. Very nearly allied to B. verticillata. Corolla funnel- 

 shaped, a little longer than the calyx. 



7)!stei-whorled Borreria. PI. 1 foot. 



8 B. DENSJFLORA (D. C. prod. 4. p. 542.) stem erect, tetra- 

 gonal, glabrous; leaves linear, with revolute margins, 1-nerved, 

 glabrous ; bristles of stipulas 7-9, longer than the sheath ; whorles 

 of flowers dense, sessile, 2-3 axillary, and the terminal one 

 globose, and larger than the axillary ones; floral leaves 4-6, re- 

 flexed ; capsule linear-oblong, villous at the apex, crowned by 

 the 3 subulate calycine teeth. ^ . S. Native of Jamaica. Sper- 

 macbce longifolia, L'Her. herb, but not of Aubl. Superior leaves 

 2 inches long, and 1-2 lines broad. Corollas small, glabrous. 



Dense-flowered, Borreria. Shrub 1 to 2 feet. 



9 B. SPINOSA (Cham, et Schlecht. in Linnaa. 3. p. 340.) stem 



erect, herbaceous, simple, glabrous, somewhat tetragonal, with 

 the angles a little muricated ; leaves lanceolate-linear, acumi- 

 nated, attenuated at the base, glabrous, with roughish margins : 

 the mid-rib drawn out into a prickle-formed tubercle at the 

 apex ; stipulas membranous, bristly ; whorles of flowers capi- 

 tate, axillary ones 2-3, and the terminal one surrounded by an 

 8-leaved involucrum ; capsule oblong, downy at the apex, crowned 

 by the 2 subulate teeth of the calyx. Jj . S. Native of the 

 south of Jamaica, in fields ; and of Martinique and Mexico. 

 Spermacoce spinosa, Lin. spec. 148. exclusive of the syn. of 

 Jacq. Swartz, obs. p. 45. Flowers white. 

 A$'/Hy-leaved Borreria. PI. 1 ft. 



10 B. NEESIA'NA (D. C. prod. 4. p. 542.) glabrous, erect; 

 stems herbaceous, tetragonal ; leaves lanceolate, acute, scabrous 

 on the mid-rib and margins ; bristles of the stipulas 5, ciliated ; 

 whorles of flowers twin, one of them terminal ; calycine teeth 



2, setaceous; throat of the corolla closed with hairs. "H.. 

 S. Native of Brazil. Spermacoce linifolia, Nees. hor. berl. 

 p. 49. but not of Vahl. Spermacoce Neesiana, Schultes, mant. 



3, p. 209. Flowers white. The same as B. Bogotensis, accord- 

 ing to Sprengel, but doubtful according to Cham, et Schlecht. in 

 Linnaca. 3. p. 311. 



Nees's Borreria. PI. 1 foot. 



1 1 B. RE'PENS (D. C. prod. 4. p. 542.) stems herbaceous, 

 creeping, dichotomous, low, tetragonal, with the angles winged 

 and pilose, and the sides striated ; leaves oblong, acute, attenu- 

 ated at the base, glabrous ; bristles of stipulas shorter than the 

 sheath, which is villous ; heads of flowers roundish, sessile in 

 the forks, and at the tops of the branches, and nearly in the 

 axils of all the leaves ; capsule ovate, rather villous, crowned 

 by the 2 acute teeth of the calyx. 1(. S. Native of the Mauri- 

 tius. Bigelowia parvifldra, Sieb. fl. maur. exsic. no. 144. but not 

 of Spreng. Flowers white. 



Creeping Borreria. PI. creeping. 



12 B. MINIMA (D. C. prod. 4. p. 542.) plant glabrous, herbace- 

 ous, small, sparingly branched ; stems tetragonal ; leaves oblong- 

 linear, acuminated at both ends ; bristles of the stipulas rather 

 shorter than the sheath ; heads of flowers terminal, involucrated 

 by 4 leaves ; calycine teeth 2, subulate. Q. S. Native of 

 Brazil, where it was collected by Pohl. Herb a finger high, 

 erect, or ascending. Corolla and mature fruit unknown. 



Least Borreria. PI. ^ foot. 



* * Teeth of the calyx 4. 



13 B. RADIA'TA (D. C. prod. 4. p. 542.) stem herbaceous, 

 erect, branched, terete, hispid from spreading hairs ; leaves ob- 

 long-linear, acuminated, glabrous, glaucous, smooth, margined 

 by a vein, 1-nerved; bristles of the stipulas longer than the 

 sheath, which is villous ; heads of flowers terminal, depressed, 

 girded by 12-16 radiant floral leaves; capsule oblong, downy at 

 the apex, crowned by the 4 short, linear-subulate teeth of the 

 calyx. O- S. Native of Senegal, in sandy places, at Gala and 

 Walo. Spermacoce radiata, Sieb. pi. sen. exsic. no. 8. Flowers 

 white. A very distinct species, agreeing in habit with B. spinosa. 

 Keel or mid-rib of the leaves smooth, and much exserted. 



7?ny-involucred Borreria. PI. 1 foot. 



14 B. ASPE'RULA (D. C. prod. 4. p. 543.) stem herbaceous, 

 erect, glabrous, rather tetragonal ; leaves oblong-linear, acute, 

 glabrous, having the keel rather prickly from small stiff teeth ; 

 bristles of the stipulas longer than the sheath, which is mem- 

 branous ; heads of flowers many : verticillate ; calycine teeth 



4, 1 or 2 of which are often deciduous, shorter than the ovarium, 

 which is rather pilose. Q. S. Native of Brazil, about Bahia, in 

 dry pastures, where it was collected by Salzmann. 



Roughish Borreria. PI. 1 foot. 



15 B. SUBULA'TA (D. C. prod. 4. p. 543.) plant herbaceous, 



